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https://issues.apache.org/jira/browse/MAPREDUCE-1813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12877782#action_12877782
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Hadoop QA commented on MAPREDUCE-1813:
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-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12446841/1813.v1.4.patch
against trunk revision 953490.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 38 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-h4.grid.sp2.yahoo.net/234/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/234/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/234/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/234/console
This message is automatically generated.
> NPE in PipeMapred.MRErrorThread
> -------------------------------
>
> Key: MAPREDUCE-1813
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1813
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/streaming
> Affects Versions: 0.20.1
> Reporter: Amareshwari Sriramadasu
> Assignee: Ravi Gummadi
> Fix For: 0.22.0
>
> Attachments: 1813.patch, 1813.v1.2.patch, 1813.v1.3.patch,
> 1813.v1.4.patch, 1813.v1.patch
>
>
> Some reduce tasks fail with following NPE
> java.lang.RuntimeException: java.lang.NullPointerException
> at
> org.apache.hadoop.streaming.PipeMapRed.waitOutputThreads(PipeMapRed.java:325)
> at
> org.apache.hadoop.streaming.PipeMapRed.mapRedFinished(PipeMapRed.java:540)
> at org.apache.hadoop.streaming.PipeReducer.close(PipeReducer.java:137)
> at
> org.apache.hadoop.mapred.ReduceTask.runOldReducer(ReduceTask.java:474)
> at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:412)
> at org.apache.hadoop.mapred.Child.main(Child.java:159)
> Caused by: java.lang.NullPointerException
> at
> org.apache.hadoop.streaming.PipeMapRed$MRErrorThread.setStatus(PipeMapRed.java:517)
> at
> org.apache.hadoop.streaming.PipeMapRed$MRErrorThread.run(PipeMapRed.java:449)
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