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Posted to dev@flink.apache.org by "Kezhu Wang (Jira)" <ji...@apache.org> on 2021/03/16 12:37:00 UTC

[jira] [Created] (FLINK-21821) StreamTask.cancelables was closed concurrent between task canceler and task thread

Kezhu Wang created FLINK-21821:
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             Summary: StreamTask.cancelables was closed concurrent between task canceler and task thread
                 Key: FLINK-21821
                 URL: https://issues.apache.org/jira/browse/FLINK-21821
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Task
    Affects Versions: 1.13.0
            Reporter: Kezhu Wang


I think {{AbstractInvokable.cancel}} should only do flag things but not closing staff. Otherwise task canceler and task thread will contend on these closing tasks.

It is same for {{BatchTask.cancel}} which might be confirmed as one potential cause for FLINK-21728.

cc  [~dwysakowicz] [~roman_khachatryan] [~pnowojski] [~AHeise] 



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