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Posted to dev@ignite.apache.org by "Roman Kondakov (JIRA)" <ji...@apache.org> on 2018/11/29 16:37:00 UTC
[jira] [Created] (IGNITE-10482) Print stacktrace of the blocked
thread in failure handler.
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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