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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8118) Print the stack trace of InstanceAlreadyExistsException in trace level
Date Wed, 29 Feb 2012 03:06:24 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13218861#comment-13218861
] 

Hadoop QA commented on HADOOP-8118:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12516504/c8118_20120228.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    -1 core tests.  The patch failed these unit tests:
                  org.apache.hadoop.fs.viewfs.TestViewFsTrash

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/639//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/639//console

This message is automatically generated.
                
> 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
>         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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