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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5446) TestJobHistoryEvents and TestJobHistoryParsing have race conditions
Date Fri, 02 Aug 2013 20:47:48 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13728085#comment-13728085
] 

Hadoop QA commented on MAPREDUCE-5446:
--------------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12595653/MAPREDUCE-5446.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3931//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3931//console

This message is automatically generated.
                
> 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
>         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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