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https://issues.apache.org/jira/browse/HADOOP-1154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12488790
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Hadoop QA commented on HADOOP-1154:
-----------------------------------
-1, build or testing failed
2 attempts failed to build and test the latest attachment
http://issues.apache.org/jira/secure/attachment/12355524/1154-2.patch against
trunk revision r528230.
Test results:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/47/testReport/
Console output:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/47/console
Please note that this message is automatically generated and may represent a
problem with the automation system and not the patch.
> streaming hang. (PipeMapRed$MROutputThread gone)
> ------------------------------------------------
>
> Key: HADOOP-1154
> URL: https://issues.apache.org/jira/browse/HADOOP-1154
> Project: Hadoop
> Issue Type: Bug
> Components: contrib/streaming
> Reporter: Koji Noguchi
> Assigned To: Koji Noguchi
> Attachments: 1154-2.patch, PipeReducer.jstack
>
>
> One streaming reducer ('cat') hang,
> '/bin/cat' reducer waiting in
> 0 S _____ 24587 24557 0 75 0 - 631 pipe_w Mar22 ? 00:00:02
> /bin/cat
> strace showed that it's waiting in write.
> $ strace -p 24587
> Process 24587 attached - interrupt to quit
> write(1, "________ "..., 138 <unfinished ...>
> Process 24587 detached
> When I looked at the jstack of ReduceTask process, I couldn't find the
> PipeMapRed$MROutputThread.
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