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https://issues.apache.org/jira/browse/PHOENIX-4682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16422891#comment-16422891
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Vincent Poon commented on PHOENIX-4682:
---------------------------------------

Another idea is to just permanently disable the index if we get some exception 
in the hook (though that would require yet another call to syscat)

> UngroupedAggregateRegionObserver preCompactScannerOpen hook should not throw 
> exceptions
> ---------------------------------------------------------------------------------------
>
>                 Key: PHOENIX-4682
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4682
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.13.0
>            Reporter: Vincent Poon
>            Assignee: Vincent Poon
>            Priority: Major
>         Attachments: PHOENIX-4682.master.v1.patch
>
>
> TableNotFoundException in the preCompactScannerOpen hook can lead to RS abort.
> Some tables might have the phoenix coprocessor loaded but not be actual 
> Phoenix tables (i.e. have a row in SYSTEM.CATALOG).  We should ignore these 
> Exceptions instead of throwing them.



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