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https://issues.apache.org/jira/browse/FLINK-11631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Biao Liu closed FLINK-11631.
----------------------------
    Resolution: Won't Do

> TaskExecutorITCase#testJobReExecutionAfterTaskExecutorTermination unstable on 
> Travis
> ------------------------------------------------------------------------------------
>
>                 Key: FLINK-11631
>                 URL: https://issues.apache.org/jira/browse/FLINK-11631
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Coordination, Tests
>    Affects Versions: 1.8.0
>            Reporter: Till Rohrmann
>            Assignee: Biao Liu
>            Priority: Critical
>              Labels: pull-request-available, test-stability
>             Fix For: 1.10.0
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> The {{TaskExecutorITCase#testJobReExecutionAfterTaskExecutorTermination}} is 
> unstable on Travis. It fails with 
> {code}
> 16:12:04.644 [ERROR] 
> testJobReExecutionAfterTaskExecutorTermination(org.apache.flink.runtime.taskexecutor.TaskExecutorITCase)
>   Time elapsed: 1.257 s  <<< ERROR!
> org.apache.flink.util.FlinkException: Could not close resource.
>       at 
> org.apache.flink.runtime.taskexecutor.TaskExecutorITCase.teardown(TaskExecutorITCase.java:83)
> Caused by: org.apache.flink.util.FlinkException: Error while shutting the 
> TaskExecutor down.
> Caused by: org.apache.flink.util.FlinkException: Could not properly shut down 
> the TaskManager services.
> Caused by: java.lang.IllegalStateException: NetworkBufferPool is not empty 
> after destroying all LocalBufferPools
> {code} 
> https://api.travis-ci.org/v3/job/493221318/log.txt
> The problem seems to be caused by the {{TaskExecutor}} not properly waiting 
> for the termination of all running {{Tasks}}. Due to this, there is a race 
> condition which causes that not all buffers are returned to the 
> {{BufferPool}}.



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