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Date: Tue, 7 Feb 2012 01:27:02 +0000 (UTC)
From: "Hudson (Commented) (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HADOOP-8027) Visiting /jmx on the daemon web
 interfaces may print unnecessary error in logs
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    [ https://issues.apache.org/jira/browse/HADOOP-8027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13201940#comment-13201940 ] 

Hudson commented on HADOOP-8027:
--------------------------------

Integrated in Hadoop-Hdfs-0.23-Commit #495 (See [https://builds.apache.org/job/Hadoop-Hdfs-0.23-Commit/495/])
    HADOOP-8027. Visiting /jmx on the daemon web interfaces may print unnecessary error in logs. Contributed by Aaron T. Myers.

atm : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1241308
Files : 
* /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/jmx/JMXJsonServlet.java

                
> Visiting /jmx on the daemon web interfaces may print unnecessary error in logs
> ------------------------------------------------------------------------------
>
>                 Key: HADOOP-8027
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8027
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: metrics
>    Affects Versions: 0.23.0, 0.24.0
>            Reporter: Harsh J
>            Assignee: Aaron T. Myers
>            Priority: Minor
>             Fix For: 0.24.0, 0.23.1
>
>         Attachments: HDFS-2584.patch
>
>
> Logs that follow a {{/jmx}} servlet visit:
> {code}
> 11/11/22 12:09:52 ERROR jmx.JMXJsonServlet: getting attribute UsageThreshold of java.lang:type=MemoryPool,name=Par Eden Space threw an exception
> javax.management.RuntimeMBeanException: java.lang.UnsupportedOperationException: Usage threshold is not supported
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.rethrow(DefaultMBeanServerInterceptor.java:856)
> ...
> {code}

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