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https://issues.apache.org/jira/browse/HADOOP-5779?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ZhuGuanyin updated HADOOP-5779:
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Release Note: Using BytesWritable or Text data types for
KeyFieldBasedPartitioner, which would support not only utf8, and avoid the
ArrayOutOfIndex exception.
Status: Patch Available (was: Open)
Using BytesWritable or Text data types for KeyFieldBasedPartitioner, which
would support not only utf8, and avoid the ArrayOutOfIndex exception.
> KeyFieldBasedPartitioner should encode free and handle ArrayOutOfIndex
> exception!
> ---------------------------------------------------------------------------------
>
> Key: HADOOP-5779
> URL: https://issues.apache.org/jira/browse/HADOOP-5779
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Reporter: ZhuGuanyin
> Fix For: 0.20.1
>
>
> 1) Currently, KeyFieldBasedPartitioner only support utf8 encoded recored,
> we should use text or byteswriteable data types.
> 2) when using KeyFieldBasedPartitioner, if the record doesn't contain the
> specified field, the endChar would equal with array.length, which throw
> ArrayOutOfIndex exception, losting that record!
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