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https://issues.apache.org/jira/browse/DRILL-3809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14877363#comment-14877363
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Deneche A. Hakim commented on DRILL-3809:
-----------------------------------------
+1, LGTM
> PrelFinalizable.SHUTTLE can causes ArrayIndexOutOfBoundsException when
> multiple queries are run concurrently
> ------------------------------------------------------------------------------------------------------------
>
> Key: DRILL-3809
> URL: https://issues.apache.org/jira/browse/DRILL-3809
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Reporter: Deneche A. Hakim
> Assignee: Deneche A. Hakim
> Fix For: 1.2.0
>
> Attachments: DRILL-3809.patch
>
>
> {{PrelFinalizable.SHUTTLE}} is a static instance of {{RelShuttleImpl}}, and
> because {{RelShuttleImpl}} contains a state (a {{List<RelNode>}}) this can
> cause issues when multiple queries are run concurrently.
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