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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1531) Clean up stack traces due to duplicate MXBean registration
Date Wed, 08 Dec 2010 05:00:02 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12969182#action_12969182
] 

Eli Collins commented on HDFS-1531:
-----------------------------------

+1    lgtm

> Clean up stack traces due to duplicate MXBean registration
> ----------------------------------------------------------
>
>                 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
>         Attachments: hdfs-1531.txt
>
>
> 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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