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https://issues.apache.org/jira/browse/MAPREDUCE-3808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13201597#comment-13201597
]
Hadoop QA commented on MAPREDUCE-3808:
--------------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12513481/MR-3808.txt
against trunk revision .
+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 eclipse:eclipse. The patch built with eclipse:eclipse.
+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 passed unit tests in .
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1794//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1794//console
This message is automatically generated.
> NPE in FileOutputCommitter when running a 0 reduce job
> ------------------------------------------------------
>
> Key: MAPREDUCE-3808
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3808
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0, 0.24.0
> Reporter: Siddharth Seth
> Assignee: Robert Joseph Evans
> Priority: Blocker
> Attachments: MR-3808.txt
>
>
> This was while running LoadGen.
> {noformat}
> Error: java.lang.NullPointerException at
> org.apache.hadoop.fs.Path.<init>(Path.java:67)
> at org.apache.hadoop.fs.Path.<init>(Path.java:56)
> at
> org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.getPendingJobAttemptsPath(FileOutputCommitter.java:118)
>
> at
> org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.getJobAttemptPath(FileOutputCommitter.java:167)
>
> at
> org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.getJobAttemptPath(FileOutputCommitter.java:149)
>
> at
> org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.getPendingTaskAttemptsPath(FileOutputCommitter.java:185)
>
> at
> org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.getTaskAttemptPath(FileOutputCommitter.java:209)
>
> at
> org.apache.hadoop.mapred.FileOutputCommitter.getTaskAttemptPath(FileOutputCommitter.java:100)
>
> at
> org.apache.hadoop.mapred.FileOutputCommitter.getTaskAttemptPath(FileOutputCommitter.java:94)
>
> at
> org.apache.hadoop.mapred.FileOutputCommitter.needsTaskCommit(FileOutputCommitter.java:176)
>
> at
> org.apache.hadoop.mapred.OutputCommitter.needsTaskCommit(OutputCommitter.java:248)
>
> at org.apache.hadoop.mapred.Task.isCommitRequired(Task.java:955)
> at org.apache.hadoop.mapred.Task.done(Task.java:912)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:331)
> at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:147)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:396)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1157)
>
> at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:142)
> {noformat}
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