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https://issues.apache.org/jira/browse/YARN-4355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15425721#comment-15425721
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Hadoop QA commented on YARN-4355:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 0s 
{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 4s {color} 
| {color:red} YARN-4355 does not apply to trunk. Rebase required? Wrong Branch? 
See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12781441/YARN-4355.01.patch |
| JIRA Issue | YARN-4355 |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/12820/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> NPE while processing localizer heartbeat
> ----------------------------------------
>
>                 Key: YARN-4355
>                 URL: https://issues.apache.org/jira/browse/YARN-4355
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.7.2
>            Reporter: Jason Lowe
>            Assignee: Varun Saxena
>         Attachments: YARN-4355.01.patch
>
>
> While analyzing YARN-4354 I noticed a nodemanager was getting NPEs while 
> processing a private localizer heartbeat.  I think there's a race where we 
> can cleanup resources for an application and therefore remove the app local 
> resource tracker just as we are trying to handle the localizer heartbeat.



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