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Date: Fri, 5 Oct 2012 08:15:47 +1100 (NCT)
From: "Elliott Clark (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <1787165888.1971.1349385347643.JavaMail.jiratomcat@arcas>
In-Reply-To: <579867793.152510.1349141827477.JavaMail.jiratomcat@arcas>
Subject: [jira] [Commented] (HBASE-6916) HBA logs at info level errors that
 won't show in the shell
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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 ] 

Elliott Clark commented on HBASE-6916:
--------------------------------------

+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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