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From "Bill Barker" <wbar...@wilshire.com>
Subject Re: 5.0.28 w/ MX4J 3.0.1, possible?
Date Fri, 10 Jun 2005 04:55:20 GMT

"Rick" <tomcatdev@vidyah.com> wrote in message 
news:FLUXupIMDR7LB31Jelc00000001@flux.vidyah.com...
> Hello,
>  I have been trying to migrate to the latest version of MX4J (3.0.1) from
> the old 1.1.1 version.
> And for the life of me, I don't seem to be able to get it to work.  I use
> JMX to communicate to various servers in our webapp to show session info 
> on
> different nodes, and I would also like to implement some other features..
>
> Old 1.1.1 implementation
> -- jk2.properties --------------------
> mx.enabled=true
> mx.jrmpPort=1099
> mx.jrmpHost=localhost
>
> -- Code ------------------------------
> Hashtable environment = new Hashtable();
>  environment.put(Context.INITIAL_CONTEXT_FACTORY,
> "com.sun.jndi.rmi.registry.RegistryContextFactory");
>  environment.put(Context.PROVIDER_URL,"rmi://localhost:1099");
>
> JRMPConnector connector = new JMRPConnector();
> connector.connect("jrmp", environment);
>
> RemoteMBeanServer server = connector.getRemoteMBeanServer();
> ----------------------------------------
>
> Ok.. So I replaced jmx.jar with the latest version of mx4j.jar (renamed to
> jmx.jar) under tomcat_home/bin
> And replaced or added
> Mx4j-jmx.jar
> Mx4j-tools.jar
> Mx4j-remote.jar
> To /tomcat_home/common/lib
>
> Now, when I start tomcat I get the error..
> "MX4j RMI adapter not loaded: java.lang.ClassNotFoundException:
> mx4j.adaptor.rmi.jrmp.JRMPAdaptor "
>
> Which is correct, since that's not a valid class now, but how do I 
> configure
> tomcat to properly use the new mx4j.
>

Yep. The jrmp adapter is gone.

> If I enable mx.httpPort=9000/mx.httpHost=localhost then JMX does enable 
> and
> I get a pretty little message like...
> "HttpAdapter version 3.0.1 started on port 9000" , but I have no idea at
> this point how to properly use the HTTP connector.
>
> Any info or suggestions to getting the RMI adapter working, or how to use
> the http adapter, or just the best way to go about
> Using MX4J, not sure if either is possible with out updating to tomcat
> 5.5.x.
>

The RMI adapter is gone in mx4j 3.x.  There is nothing that Tomat can do 
about it.  You can access the http adapter by simply typing 
http://localhost:9000 in you favorite browser.  The only thing you gain by 
upgrading to 5.5.x is the ability to use the http adapter in XML instead of 
HTML.

> Thanks,
>
> Rick 




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