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From "Douglas A. Seifert (JIRA)" <j...@apache.org>
Subject [jira] Created: (AMQ-867) JMX Management Console Not Working As Documented
Date Mon, 07 Aug 2006 17:14:23 GMT
JMX Management Console Not Working As Documented
------------------------------------------------

                 Key: AMQ-867
                 URL: https://issues.apache.org/activemq/browse/AMQ-867
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 4.0.2, 4.0.1
         Environment: Linux nuk 2.6.15-23-amd64-generic #1 SMP PREEMPT Tue May 23 13:45:47
UTC 2006 x86_64 GNU/Linux
            Reporter: Douglas A. Seifert


Starting in 4.0.1 and continuing in a snapshot 4.0.2 release, the ActiveMQ JMX management
console is not working as advertised.  In version 4.0, I would see the following message logged
to the console when starting activemq:

INFO  ManagementContext              - JMX consoles can connect to service:jmx:rmi:///jndi/rmi://localhost:1099/jmxrmi

In Version 4.0.1 and higher, I no longer see this message.

When trying to connect to the broker using the jconsole program, in versions 4.0.1 and higher,
the following command does not work (get "Connection failed" message).

jconsole service:jmx:rmi:///jndi/rmi://localhost:1099/jmxrmi

However, in 4.0, it does work.

With 4.0.1 and higher, I am able to execute jconsole with no arguments and pick the activemq
jvm from the dialog that pops up and access the managment mbeans just fine.

A symptom of this problem in 4.0.1 and higher is that none of the command line tools in the
bin directory work.  Here is sample output:

doug@nuk:~/tools/activemq/incubator-activemq-4.0.2/bin$ ./shutdown
ACTIVEMQ_HOME: /home/doug/tools/activemq/incubator-activemq-4.0.2
ERROR: java.lang.RuntimeException: Failed to execute stop task. Reason: java.io.IOException:
Failed to retrieve RMIServer stub: javax.naming.ServiceUnavailableException [Root exception
is java.rmi.ConnectException: Connection refused to host: localhost; nested exception is:
        java.net.ConnectException: Connection refused]
ERROR: java.lang.Exception: java.io.IOException: Failed to retrieve RMIServer stub: javax.naming.ServiceUnavailableException
[Root exception is java.rmi.ConnectException: Connection refused to host: localhost; nested
exception is:
        java.net.ConnectException: Connection refused]

With 4.0, all command line tools work as expected.

Not sure what is going on here, but something changed in versions 4.0.1 and above.

One last note: in 4.0.1 and higher, I uncommented the managementContext tag in the activemq.xml
file, but that had no effect.  The problem remained as described here.





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