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From "Amar Kamat (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-735) ArrayIndexOutOfBoundsException is thrown by KeyFieldBasedPartitioner
Date Mon, 13 Jul 2009 09:03:14 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Amar Kamat updated MAPREDUCE-735:

    Attachment: MAPREDUCE-735-v1.5.patch

Attaching a file with improved test-case. Added some more tests. Test-patch result 
[exec] +1 overall.  
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec]     +1 tests included.  The patch appears to include 6 new or modified tests.
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs warnings.
     [exec]     +1 release audit.  The applied patch does not increase the total number of
release audit warnings.

> ArrayIndexOutOfBoundsException is thrown by KeyFieldBasedPartitioner
> --------------------------------------------------------------------
>                 Key: MAPREDUCE-735
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-735
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.20.1
>            Reporter: Suman Sehgal
>            Assignee: Amar Kamat
>         Attachments: HADOOP-6130-v1.0.patch, MAPREDUCE-735-v1.2.patch, MAPREDUCE-735-v1.4-branch-0.20.patch,
MAPREDUCE-735-v1.4.patch, MAPREDUCE-735-v1.5.patch
> KeyFieldBasedPartitioner throws "KeyFieldBasedPartitioner" when some part of the specified
key is missing. 
> Scenario :
> =======
> when  value of num.key.fields.for.partition is greater than the separators provided in
the input.
> Command:
> ========
> hadoop jar streaming.jar -Dmapred.reduce.tasks=3 -Dnum.key.fields.for.partition=5 -input
<input-dir>  -output <output-dir> -mapper org.apache.hadoop.mapred.lib.IdentityMapper
-reducer org.apache.hadoop.mapred.lib.IdentityReducer -inputformat org.apache.hadoop.mapred.KeyValueTextInputFormat
-partitioner org.apache.hadoop.mapred.lib.KeyFieldBasedPartitioner

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