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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-8355) BaseRegionObserver#preCompactScannerOpen returns null
Date Wed, 17 Apr 2013 18:05:15 GMT

     [ https://issues.apache.org/jira/browse/HBASE-8355?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell updated HBASE-8355:
----------------------------------

    Status: Open  (was: Patch Available)

bq. I don't think this is right. The internal scanner passed is not the right scanner to use.
I am surprised that this does not break many more tests.

Thanks for the review. I made a bad assumption, so the patch is invalid, but there is still
an issue here. 
                
> BaseRegionObserver#preCompactScannerOpen returns null
> -----------------------------------------------------
>
>                 Key: HBASE-8355
>                 URL: https://issues.apache.org/jira/browse/HBASE-8355
>             Project: HBase
>          Issue Type: Bug
>          Components: Coprocessors
>    Affects Versions: 0.98.0, 0.94.8, 0.95.1
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>         Attachments: 8355-0.94.patch, 8355.patch
>
>
> As pointed out in https://github.com/forcedotcom/phoenix/pull/131, BaseRegionObserver#preCompactScannerOpen
returns null by default, which hoses any coprocessors down the line, making override of this
method mandatory. The fix is trivial, patch coming momentarily.

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