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https://issues.apache.org/jira/browse/MAPREDUCE-735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lee Tucker updated MAPREDUCE-735:
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Component/s: (was: tasktracker)
> 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
>
>
> 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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