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https://issues.apache.org/jira/browse/PHOENIX-4990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16664173#comment-16664173
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Vincent Poon commented on PHOENIX-4990:
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Turns out this uncovered some race conditions, with a bunch of tests failing.
PHOENIX-4992 is one.
Some local index tests are failing - it seems creating a local index does
something asynchronously that triggers region close. The delayed closing here
then causes tests that use the local index to fail.
> When stopping IndexWriter, give tasks a chance to complete
> ----------------------------------------------------------
>
> Key: PHOENIX-4990
> URL: https://issues.apache.org/jira/browse/PHOENIX-4990
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 4.14.0
> Reporter: Vincent Poon
> Assignee: Vincent Poon
> Priority: Major
> Attachments: PHOENIX-4990.v1.4.x-HBase-1.4.patch,
> PHOENIX-4990.v2.4.x-HBase-1.4.patch
>
>
> We've seen a race condition where an index write failure happens when a
> coprocessor is shutting down. Since we don't give the index writer threads a
> chance to complete when shutdownNow() is called, there is a chance the
> coprocessor shuts down its HTables while an index writer thread is in
> PhoenixIndexFailurePolicy trying to disable an index, which ends up using a
> closed HTable and received RejectedExecutionException
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