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https://issues.apache.org/jira/browse/FLINK-4715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15585380#comment-15585380
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ASF GitHub Bot commented on FLINK-4715:
---------------------------------------
Github user uce commented on the issue:
https://github.com/apache/flink/pull/2652
We have the `TaskManagerProcessReapingTest` which tests that the
TaskManager process properly exits when the TaskManager actor dies. In
addition, there is `TaskManagerTest#testTerminationOnFatalError`, which tests
that the `FatalError` message terminates the actor.
Do you think we are already covered by this? We can certainly add a process
reaper test variant that sends a `FatalError` message instead of the
`PoisonPill`.
> 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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