Hi, One of the 8 server node cluster down suddenly, printed error not that much helpful to find the reason. Given below the log entries, please help us here to find the reason.
################################################################################ 2024-03-16T07:18:52,489][INFO ][db-checkpoint-thread-#556%EDIFCustomerMAINDR%][GridCacheDatabaseSharedManager] Checkpoint started [checkpointId=90c6ab62-a441-4cd3-8b6d-fbef550fbe4c, startPtr=FileWALPointer [idx=5463768, fileOff=51537417, len=56705], checkpointLockWait=0ms, checkpointLockHoldTime=21ms, walCpRecordFsyncDuration=4ms, pages=62810, reason='timeout'] 2024-03-16T07:18:53,565][INFO ][db-checkpoint-thread-#556%EDIFCustomerMAINDR%][GridCacheDatabaseSharedManager] Checkpoint finished [cpId=90c6ab62-a441-4cd3-8b6d-fbef550fbe4c, pages=62810, markPos=FileWALPointer [idx=5463768, fileOff=51537417, len=56705], walSegmentsCleared=4, walSegmentsCovered=[5463764 - 5463767], markDuration=43ms, pagesWrite=491ms, fsync=585ms, total=1119ms] 2024-03-16T07:19:11,191][INFO ][wal-file-archiver%EDIFCustomerMAINDR-#466%EDIFCustomerMAINDR%][FileWriteAheadLogManager] Starting to copy WAL segment [absIdx=5463768, segIdx=8, origFile=/datastore1/wal/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000000000008.wal, dstFile=/datastore1/archive/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000005463768.wal] 2024-03-16T07:19:11,318][INFO ][wal-file-archiver%EDIFCustomerMAINDR-#466%EDIFCustomerMAINDR%][FileWriteAheadLogManager] Copied file [src=/datastore1/wal/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000000000008.wal, dst=/datastore1/archive/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000005463768.wal] 2024-03-16T07:19:33,988][INFO ][wal-file-archiver%EDIFCustomerMAINDR-#466%EDIFCustomerMAINDR%][FileWriteAheadLogManager] Starting to copy WAL segment [absIdx=5463769, segIdx=9, origFile=/datastore1/wal/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000000000009.wal, dstFile=/datastore1/archive/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000005463769.wal] 2024-03-16T07:19:34,121][INFO ][wal-file-archiver%EDIFCustomerMAINDR-#466%EDIFCustomerMAINDR%][FileWriteAheadLogManager] Copied file [src=/datastore1/wal/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000000000009.wal, dst=/datastore1/archive/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000005463769.wal] 2024-03-16T07:20:18,852][INFO ][wal-file-archiver%EDIFCustomerMAINDR-#466%EDIFCustomerMAINDR%][FileWriteAheadLogManager] Starting to copy WAL segment [absIdx=5463770, segIdx=0, origFile=/datastore1/wal/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000000000000.wal, dstFile=/datastore1/archive/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000005463770.wal] 2024-03-16T07:20:19,000][INFO ][wal-file-archiver%EDIFCustomerMAINDR-#466%EDIFCustomerMAINDR%][FileWriteAheadLogManager] Copied file [src=/datastore1/wal/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000000000000.wal, dst=/datastore1/archive/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000005463770.wal] 2024-03-16T07:21:15,373][INFO ][wal-file-archiver%EDIFCustomerMAINDR-#466%EDIFCustomerMAINDR%][FileWriteAheadLogManager] Starting to copy WAL segment [absIdx=5463771, segIdx=1, origFile=/datastore1/wal/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000000000001.wal, dstFile=/datastore1/archive/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000005463771.wal] 2024-03-16T07:21:15,500][INFO ][wal-file-archiver%EDIFCustomerMAINDR-#466%EDIFCustomerMAINDR%][FileWriteAheadLogManager] Copied file [src=/datastore1/wal/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000000000001.wal, dst=/datastore1/archive/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000005463771.wal] 2024-03-16T07:21:52,493][INFO ][db-checkpoint-thread-#556%EDIFCustomerMAINDR%][GridCacheDatabaseSharedManager] Checkpoint started [checkpointId=d12adda8-2202-4192-bbeb-f5083d3eabc9, startPtr=FileWALPointer [idx=5463772, fileOff=44231024, len=56705], checkpointLockWait=0ms, checkpointLockHoldTime=25ms, walCpRecordFsyncDuration=5ms, pages=61176, reason='timeout'] 2024-03-16T07:21:53,433][INFO ][db-checkpoint-thread-#556%EDIFCustomerMAINDR%][GridCacheDatabaseSharedManager] Checkpoint finished [cpId=d12adda8-2202-4192-bbeb-f5083d3eabc9, pages=61176, markPos=FileWALPointer [idx=5463772, fileOff=44231024, len=56705], walSegmentsCleared=4, walSegmentsCovered=[5463768 - 5463771], markDuration=45ms, pagesWrite=485ms, fsync=454ms, total=984ms] 2024-03-16T07:22:12,689][INFO ][wal-file-archiver%EDIFCustomerMAINDR-#466%EDIFCustomerMAINDR%][FileWriteAheadLogManager] Starting to copy WAL segment [absIdx=5463772, segIdx=2, origFile=/datastore1/wal/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000000000002.wal, dstFile=/datastore1/archive/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000005463772.wal] 2024-03-16T07:22:12,855][INFO ][wal-file-archiver%EDIFCustomerMAINDR-#466%EDIFCustomerMAINDR%][FileWriteAheadLogManager] Copied file [src=/datastore1/wal/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000000000002.wal, dst=/datastore1/archive/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000005463772.wal] 2024-03-16T07:22:46,007][INFO ][wal-file-archiver%EDIFCustomerMAINDR-#466%EDIFCustomerMAINDR%][FileWriteAheadLogManager] Starting to copy WAL segment [absIdx=5463773, segIdx=3, origFile=/datastore1/wal/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000000000003.wal, dstFile=/datastore1/archive/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000005463773.wal] 2024-03-16T07:22:46,135][INFO ][wal-file-archiver%EDIFCustomerMAINDR-#466%EDIFCustomerMAINDR%][FileWriteAheadLogManager] Copied file [src=/datastore1/wal/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000000000003.wal, dst=/datastore1/archive/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000005463773.wal] 2024-03-16T07:23:21,043][INFO ][wal-file-archiver%EDIFCustomerMAINDR-#466%EDIFCustomerMAINDR%][FileWriteAheadLogManager] Starting to copy WAL segment [absIdx=5463774, segIdx=4, origFile=/datastore1/wal/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000000000004.wal, dstFile=/datastore1/archive/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000005463774.wal] 2024-03-16T07:23:21,176][INFO ][wal-file-archiver%EDIFCustomerMAINDR-#466%EDIFCustomerMAINDR%][FileWriteAheadLogManager] Copied file [src=/datastore1/wal/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000000000004.wal, dst=/datastore1/archive/node00-34dda35b-606f-4124-936e-7b1a01531043/0000000005463774.wal] [2024-03-16T07:23:30,071][ERROR][sys-stripe-101-#102%EDIFCustomerMAINDR%][] Critical system error detected. Will be handled accordingly to configured handler [hnd=StopNodeOrHaltFailureHandler [tryStop=false, timeout=0, super=AbstractFailureHandler [ignoredFailureTypes=[SYSTEM_WORKER_BLOCKED, SYSTEM_CRITICAL_OPERATION_TIMEOUT]]], failureCtx=FailureContext [type=SYSTEM_WORKER_TERMINATION, err=java.lang.ClassCastException: o.a.i.i.processors.cache.distributed.near.GridNearGetRequest cannot be cast to o.a.i.i.GridJobExecuteRequest]] java.lang.ClassCastException: org.apache.ignite.internal.processors.cache.distributed.near.GridNearGetRequest cannot be cast to org.apache.ignite.internal.GridJobExecuteRequest at org.apache.ignite.internal.processors.job.GridJobProcessor$JobExecutionListener.onMessage(GridJobProcessor.java:1923) ~[ignite-core-2.7.6.jar:2.7.6] at org.apache.ignite.internal.managers.communication.GridIoManager.invokeListener(GridIoManager.java:1569) ~[ignite-core-2.7.6.jar:2.7.6] at org.apache.ignite.internal.managers.communication.GridIoManager.processRegularMessage0(GridIoManager.java:1197) ~[ignite-core-2.7.6.jar:2.7.6] at org.apache.ignite.internal.managers.communication.GridIoManager.access$4200(GridIoManager.java:127) ~[ignite-core-2.7.6.jar:2.7.6] at org.apache.ignite.internal.managers.communication.GridIoManager$9.run(GridIoManager.java:1093) ~[ignite-core-2.7.6.jar:2.7.6] at org.apache.ignite.internal.util.StripedExecutor$Stripe.body(StripedExecutor.java:505) [ignite-core-2.7.6.jar:2.7.6] at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120) [ignite-core-2.7.6.jar:2.7.6] at java.lang.Thread.run(Thread.java:750) [?:1.8.0_351] 2024-03-16T07:23:30,071][ERROR][sys-stripe-101-#102%EDIFCustomerMAINDR%][] Critical system error detected. Will be handled accordingly to configured handler [hnd=StopNodeOrHaltFailureHandler [tryStop=false, timeout=0, super=AbstractFailureHandler [ignoredFailureTypes=[SYSTEM_WORKER_BLOCKED, SYSTEM_CRITICAL_OPERATION_TIMEOUT]]], failureCtx=FailureContext [type=SYSTEM_WORKER_TERMINATION, err=java.lang.ClassCastException: o.a.i.i.processors.cache.distributed.near.GridNearGetRequest cannot be cast to o.a.i.i.GridJobExecuteRequest]] 2024-03-16T07:23:30,080][WARN ][sys-stripe-101-#102%EDIFCustomerMAINDR%][FailureProcessor] No deadlocked threads detected. 2024-03-16T07:23:32,895][WARN ][jvm-pause-detector-worker][IgniteKernal%EDIFCustomerMAINDR] Possible too long JVM pause: 2809 milliseconds. 2024-03-16T07:23:32,912][WARN ][sys-stripe-101-#102%EDIFCustomerMAINDR%][FailureProcessor] Thread dump at 2024/03/16 07:23:32 IST Thread [name="JMX server connection timeout 185576", id=185576, state=TIMED_WAITING, blockCnt=191, waitCnt=192] Lock [object=[I@20ce31fa, ownerName=null, ownerId=-1] at java.lang.Object.wait(Native Method) at com.sun.jmx.remote.internal.ServerCommunicatorAdmin$Timeout.run(ServerCommunicatorAdmin.java:168) at java.lang.Thread.run(Thread.java:750) Thread [name="sys-#89619%EDIFCustomerMAINDR%", id=185575, state=TIMED_WAITING, blockCnt=0, waitCnt=1] Lock [object=java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@2fa3cce5, ownerName=null, ownerId=-1] at sun.misc.Unsafe.park(Native Method) at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078) at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:750).............................. [2024-03-16T07:23:32,919][ERROR][sys-stripe-101-#102%EDIFCustomerMAINDR%][] JVM will be halted immediately due to the failure: [failureCtx=FailureContext [type=SYSTEM_WORKER_TERMINATION, err=java.lang.ClassCastException: o.a.i.i.processors.cache.distributed.near.GridNearGetRequest cannot be cast to o.a.i.i.GridJobExecuteRequest]] 2024-03-16T07:23:32,919][ERROR][sys-stripe-101-#102%EDIFCustomerMAINDR%][] JVM will be halted immediately due to the failure: [failureCtx=FailureContext [type=SYSTEM_WORKER_TERMINATION, err=java.lang.ClassCastException: o.a.i.i.processors.cache.distributed.near.GridNearGetRequest cannot be cast to o.a.i.i.GridJobExecuteRequest]] ################################################################################################# Thanks, Gangaiah "Confidentiality Warning: This message and any attachments are intended only for the use of the intended recipient(s). are confidential and may be privileged. 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