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https://issues.apache.org/jira/browse/HIVE-2666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13173617#comment-13173617
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Phabricator commented on HIVE-2666:
-----------------------------------
kevinwilfong has commented on the revision "HIVE-2666 [jira] StackOverflowError
when using custom UDF in map join".
There is a unit test query in TestNegativeCliDriver called deletejar, which
verifies an error is thrown if you add a jar, delete that jar, and then attempt
to use a class in the jar.
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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