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https://issues.apache.org/jira/browse/HIVE-21610?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antal Sinkovits updated HIVE-21610:
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Attachment: HIVE-21610.02.patch
> Union operator can flow in the wrong stage causing NPE
> ------------------------------------------------------
>
> Key: HIVE-21610
> URL: https://issues.apache.org/jira/browse/HIVE-21610
> Project: Hive
> Issue Type: Bug
> Reporter: Antal Sinkovits
> Assignee: Antal Sinkovits
> Priority: Major
> Attachments: HIVE-21610.01.patch, HIVE-21610.02.patch
>
>
> Because of HIVE-16227 it can happen that a UnionOperator will partially go
> into the wrong stage, because the currTask is changed, and the UnionOperator
> is reinitialized in GenMRFileSink1 with the wrong task.
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