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Date: Fri, 28 Oct 2011 02:59:32 +0000 (UTC)
From: "Hudson (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=13137949#comment-13137949 ] 

Hudson commented on MAPREDUCE-3186:
-----------------------------------

Integrated in Hadoop-Common-0.23-Commit #90 (See [https://builds.apache.org/job/Hadoop-Common-0.23-Commit/90/])
    MAPREDUCE-3186. User jobs are getting hanged if the Resource manager process goes down and comes up while job is getting executed. (Eric Payne via mahadev) - Merging r1190122 from trunk

mahadev : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1190123
Files : 
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/local/LocalContainerAllocator.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/rm/RMCommunicator.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/rm/RMContainerAllocator.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRJobConfig.java

                
> 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
>            Priority: Blocker
>              Labels: test
>             Fix For: 0.23.0
>
>         Attachments: MAPREDUCE-3186.v1.txt, MAPREDUCE-3186.v2.txt, MR3186_v3.txt
>
>
> 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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