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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-2332) Improve error messages when MR dirs on local FS have bad ownership
Date Sat, 26 Feb 2011 10:19:21 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12999759#comment-12999759
] 

Hadoop QA commented on MAPREDUCE-2332:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12471159/mr-2332.txt
  against trunk revision 1074251.

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

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    +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 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 core unit tests:
                  org.apache.hadoop.mapred.TestCommandLineJobSubmission
                  org.apache.hadoop.mapred.TestComparators
                  org.apache.hadoop.mapred.TestMapRed
                  org.apache.hadoop.mapred.TestReduceFetchFromPartialMem

    -1 contrib tests.  The patch failed contrib unit tests.

    +1 system test framework.  The patch passed system test framework compile.

Test results: https://hudson.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/29//testReport/
Findbugs warnings: https://hudson.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/29//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://hudson.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/29//console

This message is automatically generated.

> Improve error messages when MR dirs on local FS have bad ownership
> ------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2332
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2332
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>    Affects Versions: 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>             Fix For: 0.23.0
>
>         Attachments: mr-2332.txt
>
>
> A common source of user difficulty on a secure cluster is understanding which paths should
be owned by which users. The task log directory in particular is often missed, since it has
to be owned by mapred but may be inside a logs dir which has different ownership. Right now
the user has to spelunk in the code to understand the exception they get if this dir has bad
ownership.

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