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From "Phabricator (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2666) StackOverflowError when using custom UDF in map join
Date Tue, 20 Dec 2011 23:25:31 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13173609#comment-13173609
] 

Phabricator commented on HIVE-2666:
-----------------------------------

heyongqiang has commented on the revision "HIVE-2666 [jira] StackOverflowError when using
custom UDF in map join".

INLINE COMMENTS
  ql/src/java/org/apache/hadoop/hive/ql/processors/DeleteResourceProcessor.java:63 have u
verified the delete also work fine?

REVISION DETAIL
  https://reviews.facebook.net/D957

                
> 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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