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https://issues.apache.org/jira/browse/FLINK-9243?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16452119#comment-16452119
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ASF GitHub Bot commented on FLINK-9243:
---------------------------------------

GitHub user sihuazhou opened a pull request:

    https://github.com/apache/flink/pull/5911

    [FLINK-9243][tests]harden 
SuccessAfterNetworkBuffersFailureITCase#testSuccessfulProgramAfterFailure()

    ## What is the purpose of the change
    
    This PR aim to harden 
`SuccessAfterNetworkBuffersFailureITCase#testSuccessfulProgramAfterFailure()`.
    
    ## Brief change log
    
      - *Use a dedicated TestEnvironment in 
`SuccessAfterNetworkBuffersFailureITCase#testSuccessfulProgramAfterFailure()` 
to avoid concurrently problem*
    
    
    ## Verifying this change
    
    This change is a trivial rework / code cleanup without any test coverage.
    
    ## Does this pull request potentially affect one of the following parts:
    
    no
    
    ## Documentation
    
    no

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/sihuazhou/flink 
fixTestSuccessfulProgramAfterFailureUnstable

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/5911.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #5911
    
----
commit 0eb8055aa466ec8d7c2b60d9e2a185a7df9c5863
Author: sihuazhou <summerleafs@...>
Date:   2018-04-25T11:57:34Z

    Use dedicated TestEnvironment in 
SuccessAfterNetworkBuffersFailureITCase#testSuccessfulProgramAfterFailure() to 
avoid concurrently problem

----


> SuccessAfterNetworkBuffersFailureITCase#testSuccessfulProgramAfterFailure is 
> unstable
> -------------------------------------------------------------------------------------
>
>                 Key: FLINK-9243
>                 URL: https://issues.apache.org/jira/browse/FLINK-9243
>             Project: Flink
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 1.5.0
>            Reporter: Sihua Zhou
>            Priority: Blocker
>             Fix For: 1.5.0
>
>
> There are some instances:
> https://travis-ci.org/apache/flink/jobs/370121126
> https://travis-ci.org/apache/flink/jobs/370022111
> https://travis-ci.org/apache/flink/jobs/370055803



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