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Posted to dev@hive.apache.org by "Phabricator (Commented) (JIRA)" <ji...@apache.org> on 2011/12/21 00:25:31 UTC
[jira] [Commented] (HIVE-2666) StackOverflowError when using custom
UDF in map join
[ 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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