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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4152) map task left hanging after AM dies trying to connect to RM
Date Tue, 01 May 2012 17:46:54 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13265936#comment-13265936
] 

Hadoop QA commented on MAPREDUCE-4152:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12525188/MAPREDUCE-4152.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 2 new or modified test files.

    -1 javadoc.  The javadoc tool appears to have generated 16 warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed unit tests in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2342//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2342//console

This message is automatically generated.
                
> map task left hanging after AM dies trying to connect to RM
> -----------------------------------------------------------
>
>                 Key: MAPREDUCE-4152
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4152
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.2
>            Reporter: Thomas Graves
>            Assignee: Thomas Graves
>         Attachments: MAPREDUCE-4152.patch, MAPREDUCE-4152.patch
>
>
> We had an instance where the RM went down for more then an hour.  The application master
exited with "Could not contact RM after 360000 milliseconds"
> 2012-04-11 10:43:36,040 INFO [AsyncDispatcher event handler] org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl:
job_1333003059741_15999Job Transitioned from RUNNING to ERROR

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