hadoop-common-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1573) Support for 0 reducers in PIPES
Date Wed, 19 Sep 2007 08:43:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12528694
] 

Hadoop QA commented on HADOOP-1573:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12366154/pipe-no-reduce.patch
against trunk revision r577171.

    @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 passed contrib unit tests.

Test results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/789/testReport/
Findbugs warnings: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/789/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/789/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/789/console

This message is automatically generated.

> Support for 0 reducers in PIPES
> -------------------------------
>
>                 Key: HADOOP-1573
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1573
>             Project: Hadoop
>          Issue Type: Bug
>          Components: pipes
>    Affects Versions: 0.14.0
>            Reporter: Christian Kunz
>            Assignee: Owen O'Malley
>             Fix For: 0.15.0
>
>         Attachments: pipe-no-reduce.patch
>
>
> Under pipes, when specifying number of reducers to zero, all map tasks fail:
> java.io.IOException: pipe child exception
> 	at org.apache.hadoop.mapred.pipes.Application.abort(Application.java:124)
> 	at org.apache.hadoop.mapred.pipes.PipesMapRunner.run(PipesMapRunner.java:82)
> 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:189)
> 	at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1763)
> Caused by: java.net.SocketException: Connection reset
> 	at java.net.SocketInputStream.read(SocketInputStream.java:168)
> 	at java.net.SocketInputStream.read(SocketInputStream.java:182)
> 	at java.io.DataInputStream.readByte(DataInputStream.java:248)
> 	at org.apache.hadoop.io.WritableUtils.readVLong(WritableUtils.java:313)
> 	at org.apache.hadoop.io.WritableUtils.readVInt(WritableUtils.java:335)
> 	at org.apache.hadoop.mapred.pipes.BinaryProtocol$UplinkReaderThread.run(BinaryProtocol.java:101)

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.


Mime
View raw message