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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-2074) Task should fail when symlink creation fail
Date Sun, 27 Feb 2011 20:36:45 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13000034#comment-13000034

Hadoop QA commented on MAPREDUCE-2074:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 1074251.

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

    +1 tests included.  The patch appears to include 6 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 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

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

    -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/66//testReport/
Findbugs warnings: https://hudson.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/66//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://hudson.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/66//console

This message is automatically generated.

> Task should fail when symlink creation fail
> -------------------------------------------
>                 Key: MAPREDUCE-2074
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2074
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: distributed-cache
>    Affects Versions: 0.20.2
>            Reporter: Koji Noguchi
>            Assignee: Priyo Mustafi
>            Priority: Minor
>             Fix For: 0.22.0
>         Attachments: MAPREDUCE-2074.txt, MAPREDUCE-2074.txt, MAPREDUCE-2074.txt
> If I pass an invalid symlink as   -Dmapred.cache.files=/user/knoguchi/onerecord.txt#abc/abc
> Task only reports a WARN and goes on.
> {noformat} 
> 2010-09-16 21:38:49,782 INFO org.apache.hadoop.mapred.TaskRunner: Creating symlink: /0/tmp/mapred-local/taskTracker/knoguchi/distcache/-5031501808205559510_-128488332_1354038698/abc-nn1.def.com/user/knoguchi/onerecord.txt
<- /0/tmp/mapred-local/taskTracker/knoguchi/jobcache/job_201008310107_15105/attempt_201008310107_15105_m_000000_0/work/./abc/abc
> 2010-09-16 21:38:49,789 WARN org.apache.hadoop.mapred.TaskRunner: Failed to create symlink:
<- /0/tmp/mapred-local/taskTracker/knoguchi/jobcache/job_201008310107_15105/attempt_201008310107_15105_m_000000_0/work/./abc/abc
> {noformat} 
> I believe we should fail the task at this point.

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