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From "Tsz Wo (Nicholas), SZE (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-8118) Print the stack trace of InstanceAlreadyExistsException in trace level
Date Wed, 29 Feb 2012 20:01:57 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8118?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo (Nicholas), SZE updated HADOOP-8118:
-------------------------------------------

       Resolution: Fixed
    Fix Version/s: 0.23.3
                   0.24.0
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

Suresh, thanks for reviewing it.

I have committed this to trunk and 0.23.
                
> Print the stack trace of InstanceAlreadyExistsException in trace level
> ----------------------------------------------------------------------
>
>                 Key: HADOOP-8118
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8118
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: metrics
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>            Priority: Minor
>             Fix For: 0.24.0, 0.23.3
>
>         Attachments: c8118_20120228.patch
>
>
> There are many InstanceAlreadyExistsException stack traces in the unit tests output like
below.
> {noformat}
> javax.management.InstanceAlreadyExistsException: Hadoop:service=NameNode,name=NameNodeInfo
> 	at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:453)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.internal_addObject(DefaultMBeanServerInterceptor.java:1484)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:963)
> 	...
> {noformat}

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