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https://issues.apache.org/jira/browse/HIVE-2666?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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He Yongqiang resolved HIVE-2666.
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Resolution: Fixed
committed, thanks Kevin!
> StackOverflowError when using custom UDF in map join
> ----------------------------------------------------
>
> Key: HIVE-2666
> URL: https://issues.apache.org/jira/browse/HIVE-2666
> Project: Hive
> Issue Type: Bug
> Reporter: Kevin Wilfong
> Assignee: Kevin Wilfong
> Attachments: HIVE-2666.D957.1.patch
>
>
> When a custom UDF is used as part of a join which is converted to a map join,
> the XMLEncoder enters an infinite loop when serializing the map reduce task
> for the second time, as part of sending it to be executed. This results in a
> stack overflow error.
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