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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-838) Task succeeds even when committer.commitTask fails with IOException
Date Mon, 10 Aug 2009 09:43:14 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12741243#action_12741243
] 

Hadoop QA commented on MAPREDUCE-838:
-------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12416024/patch-838.txt
  against trunk revision 802645.

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

    +1 tests included.  The patch appears to include 3 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 warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

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

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

Test results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-vesta.apache.org/460/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-vesta.apache.org/460/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-vesta.apache.org/460/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-vesta.apache.org/460/console

This message is automatically generated.

> Task succeeds even when committer.commitTask fails with IOException
> -------------------------------------------------------------------
>
>                 Key: MAPREDUCE-838
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-838
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: task
>    Affects Versions: 0.20.1
>            Reporter: Koji Noguchi
>            Assignee: Amareshwari Sriramadasu
>            Priority: Blocker
>             Fix For: 0.20.1
>
>         Attachments: patch-838-0.20.txt, patch-838.txt
>
>
> In MAPREDUCE-837, job succeeded with empty output even though all the tasks were throwing
IOException at commiter.commitTask.
> {noformat}
> 2009-08-07 17:51:47,458 INFO org.apache.hadoop.mapred.TaskRunner: Task attempt_200907301448_8771_r_000000_0
is allowed to commit now
> 2009-08-07 17:51:47,466 WARN org.apache.hadoop.mapred.TaskRunner: Failure committing:
java.io.IOException: Can not get the relative path: \
> base = hdfs://mynamenode:8020/user/knoguchi/test2.har/_temporary/_attempt_200907301448_8771_r_000000_0
\
> child = hdfs://mynamenode/user/knoguchi/test2.har/_temporary/_attempt_200907301448_8771_r_000000_0/_index
>   at org.apache.hadoop.mapred.FileOutputCommitter.getFinalPath(FileOutputCommitter.java:150)
>   at org.apache.hadoop.mapred.FileOutputCommitter.moveTaskOutputs(FileOutputCommitter.java:106)
>   at org.apache.hadoop.mapred.FileOutputCommitter.moveTaskOutputs(FileOutputCommitter.java:126)
>   at org.apache.hadoop.mapred.FileOutputCommitter.commitTask(FileOutputCommitter.java:86)
>   at org.apache.hadoop.mapred.OutputCommitter.commitTask(OutputCommitter.java:171)
>   at org.apache.hadoop.mapred.Task.commit(Task.java:768)
>   at org.apache.hadoop.mapred.Task.done(Task.java:692)
>   at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:417)
>   at org.apache.hadoop.mapred.Child.main(Child.java:170)
> 2009-08-07 17:51:47,468 WARN org.apache.hadoop.mapred.TaskRunner: Failure asking whether
task can commit: java.io.IOException: \
> Can not get the relative path: base = hdfs://mynamenode:8020/user/knoguchi/test2.har/_temporary/_attempt_200907301448_8771_r_000000_0
\
> child = hdfs://mynamenode/user/knoguchi/test2.har/_temporary/_attempt_200907301448_8771_r_000000_0/_index
>   at org.apache.hadoop.mapred.FileOutputCommitter.getFinalPath(FileOutputCommitter.java:150)
>   at org.apache.hadoop.mapred.FileOutputCommitter.moveTaskOutputs(FileOutputCommitter.java:106)
>   at org.apache.hadoop.mapred.FileOutputCommitter.moveTaskOutputs(FileOutputCommitter.java:126)
>   at org.apache.hadoop.mapred.FileOutputCommitter.commitTask(FileOutputCommitter.java:86)
>   at org.apache.hadoop.mapred.OutputCommitter.commitTask(OutputCommitter.java:171)
>   at org.apache.hadoop.mapred.Task.commit(Task.java:768)
>   at org.apache.hadoop.mapred.Task.done(Task.java:692)
>   at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:417)
>   at org.apache.hadoop.mapred.Child.main(Child.java:170)
> 2009-08-07 17:51:47,469 INFO org.apache.hadoop.mapred.TaskRunner: Task attempt_200907301448_8771_r_000000_0
is allowed to commit now
> 2009-08-07 17:51:47,472 INFO org.apache.hadoop.mapred.TaskRunner: Task 'attempt_200907301448_8771_r_000000_0'
done.
> {noformat}

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