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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5746) Job diagnostics can implicate wrong task for a failed job
Date Wed, 12 Feb 2014 15:24:19 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13899182#comment-13899182
] 

Hadoop QA commented on MAPREDUCE-5746:
--------------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12628488/MAPREDUCE-5746-v2.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}.  There were no new javadoc 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-core
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs.

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4354//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4354//console

This message is automatically generated.

> Job diagnostics can implicate wrong task for a failed job
> ---------------------------------------------------------
>
>                 Key: MAPREDUCE-5746
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5746
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobhistoryserver
>    Affects Versions: 0.23.10, 2.1.1-beta
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>         Attachments: MAPREDUCE-5746-v2.patch, MAPREDUCE-5746.patch
>
>
> We've seen a number of cases where the history server is showing the wrong task as the
reason a job failed.  For example, "Task task_1383802699973_515536_m_027135 failed 1 times"
when some other task had failed 4 times and was the real reason the job failed.



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