Checkpoint write lock missed during snapshot operation

2020-12-22 16:15:21.243 [INFO ][exchange-worker-#163%DPL_GRID%DplGridNodeName%][o.a.i.i.p.c.p.s.SnapshotFutureTask] Snapshot operation is scheduled on local node and will be handled by the checkpoint listener [sctx=SnapshotFutureTask [pageStore=GridCacheSharedManagerAdapter [starting=true, stop=false], srcNodeId=4f43f04d-3ca8-4f00-9d91-017d6ef285cd, snpName=backup01, tmpSnpWork

Dir=/ssd/snp/backup01, locBuff=java.lang.ThreadLocal$SuppliedThreadLocal@6dc562dc, ioFactory=org.apache.ignite.internal.processors.cache.persistence.f

ile.RandomAccessFileIOFactory@6b9dab32, cpEndFut=java.util.concurrent.CompletableFuture@4e6e4123[Not completed], startedFut=GridFutureAdapter [ignoreInterrupts=false, state=INIT, res=null, h

ash=2127381016], tmpConsIdDir=/ssd/snp/backup01/db/10_116_69_218_47500, closeFut=null, err=null, started=true], topVer=AffinityTopologyVersion [topVer

=16, minorTopVer=4]]

2020-12-22 16:15:21.385 [ERROR][db-checkpoint-thread-#232%DPL_GRID%DplGridNodeName%][org.apache.ignite.Ignite] Critical system error detected. Will be handled accordingly to configured handl

er [hnd=StopNodeOrHaltFailureHandler [tryStop=false, timeout=0, super=AbstractFailureHandler [ignoredFailureTypes=UnmodifiableSet [SYSTEM_WORKER_BLOCKED, SYSTEM_CRITICAL_OPERATION_TIMEOUT]]]

, failureCtx=FailureContext [type=SYSTEM_WORKER_TERMINATION, err=java.lang.AssertionError]]

java.lang.AssertionError: null

        at org.apache.ignite.internal.processors.cache.persistence.snapshot.SnapshotFutureTask$PageStoreSerialWriter.<init>(SnapshotFutureTask.java:819)

        at org.apache.ignite.internal.processors.cache.persistence.snapshot.SnapshotFutureTask.onMarkCheckpointBegin(SnapshotFutureTask.java:466)

        at org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager$Checkpointer.markCheckpointBegin(GridCacheDatabaseSharedManager.java:3915)

        at org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager$Checkpointer.doCheckpoint(GridCacheDatabaseSharedManager.java:3515)

        at org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager$Checkpointer.body(GridCacheDatabaseSharedManager.java:3404)

        at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120)

        at java.lang.Thread.run(Thread.java:748)

2020-12-22 16:15:21.418 [WARN ][db-checkpoint-thread-#232%DPL_GRID%DplGridNodeName%][o.a.i.i.p.c.CacheDiagnosticManager] Page locks dump: