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Date: Mon, 24 Oct 2011 21:44:32 +0000 (UTC)
From: "Mahadev konar (Commented) (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Commented] (MAPREDUCE-3186) User jobs are getting hanged if
 the Resource manager process goes down and comes up while job is getting
 executed.
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-3186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13134531#comment-13134531 ] 

Mahadev konar commented on MAPREDUCE-3186:
------------------------------------------

Eric,
 You have to make sure, stop gets called. Look at MRAppMaster::JobFinishEventHandler:stop().

                
> User jobs are getting hanged if the Resource manager process goes down and comes up while job is getting executed.
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3186
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3186
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>         Environment: linux
>            Reporter: Ramgopal N
>            Assignee: Eric Payne
>              Labels: test
>
> If the resource manager is restarted while the job execution is in progress, the job is getting hanged.
> UI shows the job as running.
> In the RM log, it is throwing an error "ERROR org.apache.hadoop.yarn.server.resourcemanager.ApplicationMasterService: AppAttemptId doesnt exist in cache appattempt_1318579738195_0004_000001"
> In the console MRAppMaster and Runjar processes are not getting killed

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