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From "Roman Kondakov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-10482) Print stacktrace of the blocked thread in failure handler.
Date Thu, 29 Nov 2018 16:37:00 GMT
Roman Kondakov created IGNITE-10482:
---------------------------------------

             Summary: Print stacktrace of the blocked thread in failure handler.
                 Key: IGNITE-10482
                 URL: https://issues.apache.org/jira/browse/IGNITE-10482
             Project: Ignite
          Issue Type: Bug
          Components: cache
            Reporter: Roman Kondakov


If a blocked thread is detected by the error handler, only a detector's thread is printed
to the log. But it is much more informative to print a stacktrace of the blocked thread.

As shown below, {{disco-event-worker}} thread has detected blocked {{sys-stripe-0}} thread.
But stacktrace of {{sys-stripe-0}} is not printed despite the fact it is of particular interest.

{noformat}
[2018-11-29 18:50:36,925][ERROR][disco-event-worker-#37%continuous.CacheContinuousQueryOrderingEventTest0%][G]
Blocked system-critical thread has been detected. This can lead to cluster-wide undefined
behaviour [threadName=sys-stripe-0, blockedFor=10s]
[2018-11-29 18:50:36,926][WARN ][disco-event-worker-#37%continuous.CacheContinuousQueryOrderingEventTest0%][G]
Thread [name="sys-stripe-0-#1%continuous.CacheContinuousQueryOrderingEventTest0%", id=13,
state=WAITING, blockCnt=9, waitCnt=3704]

[2018-11-29 18:50:36,927][ERROR][disco-event-worker-#37%continuous.CacheContinuousQueryOrderingEventTest0%][IgniteTestResources]
Critical system error detected. Will be handled accordingly to configured handler [hnd=NoOpFailureHandler
[super=AbstractFailureHandler [ignoredFailureTypes=SingletonSet [SYSTEM_WORKER_BLOCKED]]],
failureCtx=FailureContext [type=SYSTEM_WORKER_BLOCKED, err=class o.a.i.IgniteException: GridWorker
[name=sys-stripe-0, igniteInstanceName=continuous.CacheContinuousQueryOrderingEventTest0,
finished=false, heartbeatTs=1543506626138]]]
class org.apache.ignite.IgniteException: GridWorker [name=sys-stripe-0, igniteInstanceName=continuous.CacheContinuousQueryOrderingEventTest0,
finished=false, heartbeatTs=1543506626138]
	at org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance$2.apply(IgnitionEx.java:1833)
	at org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance$2.apply(IgnitionEx.java:1828)
	at org.apache.ignite.internal.worker.WorkersRegistry.onIdle(WorkersRegistry.java:233)
	at org.apache.ignite.internal.util.worker.GridWorker.onIdle(GridWorker.java:297)
	at org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$DiscoveryWorker.body(GridDiscoveryManager.java:2812)
	at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120)
	at java.lang.Thread.run(Thread.java:748)
{noformat}




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