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Posted to hdfs-dev@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2010/12/07 22:19:12 UTC

[jira] Created: (HDFS-1531) Clean up stack traces due to duplicate MXBean registration

Clean up stack traces due to duplicate MXBean registration
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                 Key: HDFS-1531
                 URL: https://issues.apache.org/jira/browse/HDFS-1531
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: data-node, name-node
    Affects Versions: 0.22.0
            Reporter: Todd Lipcon
            Assignee: Todd Lipcon
            Priority: Trivial


In the minicluster unit tests, we try to register MXBeans for each DN, but since the JMX context is JVM-wide, we get a InstanceAlreadyExistsException for all but the first. This stack trace clutters test logs a lot.

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