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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2853) Killing app may hang while AM is unregistering
Date Tue, 11 Nov 2014 23:12:34 GMT

    [ https://issues.apache.org/jira/browse/YARN-2853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14207303#comment-14207303
] 

Hadoop QA commented on YARN-2853:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12680930/YARN-2853.1.patch
  against trunk revision 163bb55.

    {color:red}-1 patch{color}.  Trunk compilation may be broken.

Console output: https://builds.apache.org/job/PreCommit-YARN-Build/5820//console

This message is automatically generated.

> Killing app may hang while AM is unregistering
> ----------------------------------------------
>
>                 Key: YARN-2853
>                 URL: https://issues.apache.org/jira/browse/YARN-2853
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Jian He
>            Assignee: Jian He
>         Attachments: YARN-2853.1.patch
>
>
> When killing an app, app first moves to KILLING state, If RMAppAttempt receives the attempt_unregister
event before attempt_kill event,  it'll ignore the later attempt_kill event.  Hence, RMApp
won't be able to move to KILLED state and stays at KILLING state forever.



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