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Date: Wed, 15 Feb 2012 09:51:59 +0000 (UTC)
From: "Hadoop QA (Commented) (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Commented] (MAPREDUCE-3634) All daemons should crash
 instead of hanging around when their EventHandlers get exceptions
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-3634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13208319#comment-13208319 ] 

Hadoop QA commented on MAPREDUCE-3634:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12514598/MAPREDUCE-3634-20120214.txt
  against trunk revision .

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

    +1 tests included.  The patch appears to include 30 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any 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 failed these unit tests:
                  org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.TestContainersMonitor

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1857//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1857//console

This message is automatically generated.
                
> All daemons should crash instead of hanging around when their EventHandlers get exceptions
> ------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3634
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3634
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Vinod Kumar Vavilapalli
>             Fix For: 0.23.2
>
>         Attachments: MAPREDUCE-3634-20120118.1.txt, MAPREDUCE-3634-20120119.txt, MAPREDUCE-3634-20120214.txt
>
>
> We should make sure that the daemons crash in case the dispatchers get exceptions and stop processing. That way we will be debugging RM/NM/AM crashes instead of hard-to-track hanging jobs. 

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