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https://issues.apache.org/jira/browse/MAPREDUCE-7135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16610930#comment-16610930
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Hudson commented on MAPREDUCE-7135:
-----------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14920 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/14920/])
MAPREDUCE-7135. TestTaskAttemptContainerRequest should reset (jlowe: rev 
7ce997af97e165e963eb44cd520f16a1f808d9a5)
* (edit) 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/job/impl/TestTaskAttemptContainerRequest.java


> TestTaskAttemptContainerRequest should reset UserGroupInformation
> -----------------------------------------------------------------
>
>                 Key: MAPREDUCE-7135
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7135
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: test
>            Reporter: Oleksandr Shevchenko
>            Assignee: Oleksandr Shevchenko
>            Priority: Minor
>             Fix For: 3.2.0
>
>         Attachments: MAPREDUCE-7135.001.patch, MAPREDUCE-7135.002.patch, 
> image-2018-09-10-13-23-46-533.png
>
>
> TestTaskAttemptContainerRequest should reset UserGroupInformation after end 
> since this test cache UserGroupInformation and can be cause of other test 
> fail. For example, all test in TestRMContainerAllocator will be failed if we 
> run these tests after TestTaskAttemptContainerRequest (or we can change 
> "UserGroupInformation.setLoginUser(null)" with UserGroupInformation.reset() 
> in this class).
> Also, I think the WARNING message in TestTaskAttemptContainerRequest can be 
> removed since we can reset UserGroupInformation after each test.



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