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From "Tsz Wo (Nicholas), SZE (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-8118) Print the stack trace of InstanceAlreadyExistsException in trace level
Date Wed, 29 Feb 2012 02:45:58 GMT
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

There are many InstanceAlreadyExistsException stack traces in the unit tests output like below.
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)

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