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https://issues.apache.org/jira/browse/FLINK-4715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15586082#comment-15586082
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ASF GitHub Bot commented on FLINK-4715:
---------------------------------------

Github user StephanEwen commented on the issue:

    https://github.com/apache/flink/pull/2652
  
    Concerning the Kafka test: From the logs, the test fails because a topic 
cannot be deleted. The ZooKeeper operation blocks and test times out. I am 
pretty sure that this is unrelated, as no Flink is running at that point.


> TaskManager should commit suicide after cancellation failure
> ------------------------------------------------------------
>
>                 Key: FLINK-4715
>                 URL: https://issues.apache.org/jira/browse/FLINK-4715
>             Project: Flink
>          Issue Type: Improvement
>          Components: TaskManager
>    Affects Versions: 1.2.0
>            Reporter: Till Rohrmann
>            Assignee: Ufuk Celebi
>             Fix For: 1.2.0
>
>
> In case of a failed cancellation, e.g. the task cannot be cancelled after a 
> given time, the {{TaskManager}} should kill itself. That way we guarantee 
> that there is no resource leak. 
> This behaviour acts as a safety-net against faulty user code.



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