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From "He Yongqiang (Resolved) (JIRA)" <>
Subject [jira] [Resolved] (HIVE-2666) StackOverflowError when using custom UDF in map join
Date Wed, 21 Dec 2011 18:25:31 GMT


He Yongqiang resolved HIVE-2666.

    Resolution: Fixed

committed, thanks Kevin!
> StackOverflowError when using custom UDF in map join
> ----------------------------------------------------
>                 Key: HIVE-2666
>                 URL:
>             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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