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Posted to common-dev@hadoop.apache.org by "Suman Sehgal (JIRA)" <ji...@apache.org> on 2009/07/08 07:44:14 UTC

[jira] Created: (HADOOP-6130) ArrayIndexOutOfBoundsException is thrown by KeyFieldBasedPartitioner

ArrayIndexOutOfBoundsException is thrown by KeyFieldBasedPartitioner
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                 Key: HADOOP-6130
                 URL: https://issues.apache.org/jira/browse/HADOOP-6130
             Project: Hadoop Common
          Issue Type: Bug
          Components: mapred
    Affects Versions: 0.20.0
            Reporter: Suman Sehgal
            Priority: Critical


KeyFieldBasedPartitioner throws "KeyFieldBasedPartitioner" when some part of the specified key is missing. 
Scenario :
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when  value of num.key.fields.for.partition is greater than the separators provided in the input.
Command:
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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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