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https://issues.apache.org/jira/browse/HIVE-885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12766983#action_12766983
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Ashish Thusoo commented on HIVE-885:
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Will values.next() always return a BytesWritable?
> Better error messages for debugging serde problem at reducer input
> ------------------------------------------------------------------
>
> Key: HIVE-885
> URL: https://issues.apache.org/jira/browse/HIVE-885
> Project: Hadoop Hive
> Issue Type: Improvement
> Affects Versions: 0.5.0
> Reporter: Zheng Shao
> Assignee: Zheng Shao
> Attachments: HIVE-885.1.patch
>
>
> Sometimes we are seeing serde exceptions at the reducer side with hadoop 0.20.
> This should help debug the problem.
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