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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-6916) HBA logs at info level errors that won't show in the shell
Date Tue, 02 Oct 2012 01:37:07 GMT
Jean-Daniel Cryans created HBASE-6916:
-----------------------------------------

             Summary: 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: 0.94.1, 0.92.1, 0.90.6, 0.96.0
            Reporter: Jean-Daniel Cryans
            Priority: Minor
             Fix For: 0.90.7, 0.92.2, 0.94.3, 0.96.0


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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