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https://issues.apache.org/jira/browse/HADOOP-1771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12533905
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Hadoop QA commented on HADOOP-1771:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12367520/h-1771-3.patch
against trunk revision r583424.
@author +1. The patch does not contain any @author tags.
javadoc +1. The javadoc tool did not generate any warning messages.
javac +1. The applied patch does not generate any new compiler warnings.
findbugs +1. The patch does not introduce any new Findbugs warnings.
core tests +1. The patch passed core unit tests.
contrib tests -1. The patch failed contrib unit tests.
Test results:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/918/testReport/
Findbugs warnings:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/918/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/918/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/918/console
This message is automatically generated.
> streaming hang when IOException in MROutputThread. (NPE)
> --------------------------------------------------------
>
> Key: HADOOP-1771
> URL: https://issues.apache.org/jira/browse/HADOOP-1771
> Project: Hadoop
> Issue Type: Bug
> Components: contrib/streaming
> Affects Versions: 0.14.1
> Reporter: Koji Noguchi
> Assignee: Koji Noguchi
> Priority: Blocker
> Fix For: 0.15.0
>
> Attachments: h-1771-2.patch, h-1771-3.patch, h-1771-3.patch,
> h-1771-3.patch, h-1771.patch
>
>
> One streaming task hang and had stderr userlog as follows.
> {code}
> Exception in thread "Thread-5" java.lang.NullPointerException
> at java.lang.Throwable.printStackTrace(Throwable.java:460)
> at
> org.apache.hadoop.streaming.PipeMapRed$MROutputThread.run(PipeMapRed.java:352)
> {code}
> In PipeMapRed.java
> {code}
> 351 } catch (IOException io) {
> 352 io.printStackTrace(log_);
> 353 outerrThreadsThrowable = io;
> {code}
> I guess log_ is Null... Should call logStackTrace.
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