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Posted to issues@flink.apache.org by "Etienne Chauchot (Jira)" <ji...@apache.org> on 2022/01/11 07:28:00 UTC

[jira] (FLINK-23843) Exceptions during "SplitEnumeratorContext.runInCoordinatorThread()" should cause Global Failure instead of Process Kill

    [ https://issues.apache.org/jira/browse/FLINK-23843 ]


    Etienne Chauchot deleted comment on FLINK-23843:
    ------------------------------------------

was (Author: echauchot):
[~trohrmann] [~sewen] [~chesnay] WDYT?

> Exceptions during "SplitEnumeratorContext.runInCoordinatorThread()" should cause Global Failure instead of Process Kill
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-23843
>                 URL: https://issues.apache.org/jira/browse/FLINK-23843
>             Project: Flink
>          Issue Type: Improvement
>          Components: Runtime / Coordination
>    Affects Versions: 1.13.2
>            Reporter: Stephan Ewen
>            Assignee: Stephan Ewen
>            Priority: Critical
>             Fix For: 1.15.0
>
>
> Currently, when a the method "SplitEnumeratorContext.runInCoordinatorThread()" throws an exception, the effect is a process kill of the JobManager process.
> The chain how the process kill happens is:
> * An exception bubbling up in the executor, killing the executor thread
> * The executor starts a replacement thread, which is forbidden by the thread factory (as a safety net) and causes a process kill.
> We should prevent such exceptions from bubbling up in the coordinator executor.



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