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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5446) TestJobHistoryEvents and TestJobHistoryParsing have race conditions
Date Tue, 06 Aug 2013 13:07:02 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13730734#comment-13730734

Hudson commented on MAPREDUCE-5446:

FAILURE: Integrated in Hadoop-Hdfs-trunk #1483 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1483/])
MAPREDUCE-5446. TestJobHistoryEvents and TestJobHistoryParsing have race conditions. Contributed
by Jason Lowe. (kihwal: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1510581)
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/MRApp.java

> TestJobHistoryEvents and TestJobHistoryParsing have race conditions
> -------------------------------------------------------------------
>                 Key: MAPREDUCE-5446
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5446
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2, test
>    Affects Versions: 2.1.0-beta
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>             Fix For: 3.0.0, 2.1.1-beta
>         Attachments: MAPREDUCE-5446.patch
> TestJobHistoryEvents and TestJobHistoryParsing are not properly waiting for MRApp to
finish.  Currently they are polling the service state looking for Service.STATE.STOPPED, but
the service can appear to be in that state *before* it is fully stopped.  This causes tests
to finish with MRApp threads still in-flight, and those threads can conflict with subsequent
tests when they collide in the filesystem.

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