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https://issues.apache.org/jira/browse/YARN-2997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14265865#comment-14265865
 ] 

Hadoop QA commented on YARN-2997:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12690286/YARN-2997.4.patch
  against trunk revision 4cd66f7.

    {color:green}+1 @author{color}.  The patch does not contain any @author 
tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new 
or modified test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the 
total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:red}-1 eclipse:eclipse{color}.  The patch failed to build with 
eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new 
Findbugs (version 2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase 
the total number of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: 
https://builds.apache.org/job/PreCommit-YARN-Build/6252//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/6252//console

This message is automatically generated.

> NM keeps sending finished containers to RM until app is finished
> ----------------------------------------------------------------
>
>                 Key: YARN-2997
>                 URL: https://issues.apache.org/jira/browse/YARN-2997
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.6.0
>            Reporter: Chengbing Liu
>            Assignee: Chengbing Liu
>         Attachments: YARN-2997.2.patch, YARN-2997.3.patch, YARN-2997.4.patch, 
> YARN-2997.patch
>
>
> We have seen in RM log a lot of
> {quote}
> INFO 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler: 
> Null container completed...
> {quote}
> It is caused by NM sending completed containers repeatedly until the app is 
> finished. On the RM side, the container is already released, hence 
> {{getRMContainer}} returns null.



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