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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-11749) Better error logging when coprocessors loading has failed.
Date Fri, 15 Aug 2014 00:50:19 GMT

     [ https://issues.apache.org/jira/browse/HBASE-11749?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell resolved HBASE-11749.
------------------------------------

       Resolution: Fixed
    Fix Version/s: 0.98.6
                   2.0.0
                   0.99.0
     Hadoop Flags: Reviewed

Committed to 0.98+. Thanks for the patch [~srikanth235]!

> Better error logging when coprocessors loading has failed.
> ----------------------------------------------------------
>
>                 Key: HBASE-11749
>                 URL: https://issues.apache.org/jira/browse/HBASE-11749
>             Project: HBase
>          Issue Type: Improvement
>          Components: Coprocessors, Usability
>            Reporter: Srikanth Srungarapu
>            Assignee: Srikanth Srungarapu
>            Priority: Trivial
>             Fix For: 0.99.0, 2.0.0, 0.98.6
>
>         Attachments: HBASE-11749.patch
>
>
> The following is the error in the log files, when the wrong coprocessor is specified
in config file.
> {code}
> 378:2014-08-14 15:15:41,773 ERROR [master:172.16.2.118:60000] coprocessor.CoprocessorHost:
The coprocessor org.apache.hadoop.hbase.security.visibility.VisibilityControlle threw an unexpected
exception
> {code}
> Instead it would be better to have more meaningful exception description like
> {code}
> 525:2014-08-14 15:07:33,682 ERROR [master:172.16.2.118:60000] coprocessor.CoprocessorHost:
The coprocessor org.apache.hadoop.hbase.security.visibility.VisibilityControlle threw java.lang.ClassNotFoundException:
org.apache.hadoop.hbase.security.visibility.VisibilityControlle
> {code}



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