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https://issues.apache.org/jira/browse/IGNITE-13627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17224459#comment-17224459
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Aleksey Plekhanov commented on IGNITE-13627:
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[~nizhikov], I've reviewed your patch, LGTM.
> Critical system error when unregister a JMX bean
> ------------------------------------------------
>
> Key: IGNITE-13627
> URL: https://issues.apache.org/jira/browse/IGNITE-13627
> Project: Ignite
> Issue Type: Task
> Reporter: Sergei Ryzhov
> Assignee: Nikolay Izhikov
> Priority: Blocker
> Fix For: 2.10, 2.9.1
>
> Attachments: logs.zip
>
>
> Critical system error when unregister a JMX bean
> {noformat}
> [2020-10-26T14:10:55,411][ERROR][disco-event-worker-#71][] Critical system
> error detected. Will be handled accordingly to configured handler
> [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.spi.metric.jmx.JmxMetricExporterSpi.unregister(JmxMetricExporterSpi.java:110)
> ~[classes/:?]
> at
> org.apache.ignite.internal.util.IgniteUtils.notifyListeners(IgniteUtils.java:11740)
> ~[classes/:?]
> at
> org.apache.ignite.internal.processors.metric.GridMetricManager.remove(GridMetricManager.java:418)
> ~[classes/:?]
> at
> org.apache.ignite.internal.managers.GridManagerAdapter$1.removeMetricRegistry(GridManagerAdapter.java:615)
> ~[classes/:?]
> at
> org.apache.ignite.spi.communication.tcp.TcpCommunicationMetricsListener.onNodeLeft(TcpCommunicationMetricsListener.java:399)
> ~[classes/:?]
> at
> org.apache.ignite.spi.communication.tcp.internal.CommunicationDiscoveryEventListener.onNodeLeft(CommunicationDiscoveryEventListener.java:77)
> ~[classes/:?]
> at
> org.apache.ignite.spi.communication.tcp.internal.CommunicationDiscoveryEventListener.onEvent(CommunicationDiscoveryEventListener.java:62)
> ~[classes/:?]
> at
> org.apache.ignite.internal.managers.eventstorage.GridEventStorageManager$LocalListenerWrapper.onEvent(GridEventStorageManager.java:1399)
> ~[classes/:?]
> at
> org.apache.ignite.internal.managers.eventstorage.GridEventStorageManager.notifyListeners(GridEventStorageManager.java:894)
> ~[classes/:?]
> at
> org.apache.ignite.internal.managers.eventstorage.GridEventStorageManager.notifyListeners(GridEventStorageManager.java:877)
> ~[classes/:?]
> at
> org.apache.ignite.internal.managers.eventstorage.GridEventStorageManager.record0(GridEventStorageManager.java:350)
> ~[classes/:?]
> at
> org.apache.ignite.internal.managers.eventstorage.GridEventStorageManager.record(GridEventStorageManager.java:313)
> ~[classes/:?]
> at
> org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$DiscoveryWorker.recordEvent(GridDiscoveryManager.java:2889)
> ~[classes/:?]
> at
> org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$DiscoveryWorker.body0(GridDiscoveryManager.java:3105)
> ~[classes/:?]
> at
> org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$DiscoveryWorker.body(GridDiscoveryManager.java:2909)
> [classes/:?]
> at
> org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120)
> [classes/:?]
> at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]
> {noformat}
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