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From "Vivek Mishra (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1496) org.apache.hadoop.mapred.lib.FieldSelectionMapReduce removes empty fields from key/value end
Date Mon, 20 Sep 2010 10:21:35 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12912427#action_12912427
] 

Vivek Mishra commented on MAPREDUCE-1496:
-----------------------------------------

Hi,
Can you provide more details on it? I tried to run TestFieldSelection test case and can see
that it is explicitly done by TestMRFieldSelection but not able to find any such instance
with FieldSelectionMapReduce.



> org.apache.hadoop.mapred.lib.FieldSelectionMapReduce removes empty fields from key/value
end
> --------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1496
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1496
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.20.1
>            Reporter: Maxim Zizin
>            Priority: Critical
>
> If input record's key and/or value has empty fields in the end then these fields will
be cut off by org.apache.hadoop.mapred.lib.FieldSelectionMapReduce

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