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https://issues.apache.org/jira/browse/HBASE-6916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13469717#comment-13469717
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Elliott Clark commented on HBASE-6916:
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+1 lgtm
> HBA logs at info level errors that won't show in the shell
> ----------------------------------------------------------
>
> Key: HBASE-6916
> URL: https://issues.apache.org/jira/browse/HBASE-6916
> Project: HBase
> Issue Type: Bug
> Components: shell
> Affects Versions: 0.90.6, 0.92.1, 0.94.1, 0.96.0
> Reporter: Jean-Daniel Cryans
> Assignee: Jean-Daniel Cryans
> Priority: Minor
> Fix For: 0.92.2, 0.94.3, 0.96.0
>
> Attachments: HBASE-6916-0.94.patch, HBASE-6916.patch,
> HBASE-6916-v2.patch
>
>
> There is a weird interaction between the shell and HBA. When you try to close
> a region that doesn't exist, it doesn't throw any error:
> {noformat}
> hbase(main):029:0> close_region 'thisisaninvalidregion'
> 0 row(s) in 0.0580 seconds
> {noformat}
> Normally one should get UnknownRegionException. Starting the shell with "-d"
> I see what a non-shell user would see along with a ton of logging from ZK
> (skipped here):
> {noformat}
> INFO client.HBaseAdmin: No server in .META. for thisisaninvalidregion;
> pair=null
> {noformat}
> But again this is not the right message, it should have shown
> {noformat}
> INFO client.HBaseAdmin: No server in .META. for thisisaninvalidregion;
> pair=null
> {noformat}
> And this is because that part of the code treats both UnknownRegionException
> and NoServerForRegionException like if it was the same thing.
> There is also some ugliness in flush, compact, and split but it normally
> doesn't show since the code treats everything like it's a table and sends a
> TableNotFoundException.
> This jira is about making sure that the exceptions are correctly coming out.
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