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JMX status

 
Eran Kaplan
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Hi,


I've been wondering what the status of JMX is. Is it alive?

It seems that using JMX as a server is popular (The JVM, JBoss, Hibernate etc.).

However, I'm trying to find a JMX web client for Tomcat which is still live and kicking but it seems that there is no really good one for free.
Can anyone recommend one?

Thanks.



 
Tim Moores
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JMX is not a server, it is an API that allows you to monitor (and possible alter) the inner workings of a JVM. That's particularly interesting for servers, because those are long-running and may need to be tweaked without bringing them down. It is very much alive, tools like VisualVM rely on it heavily. It's even part of JSE as the javax.management package.

Not sure what you mean by the comment about Tomcat; what are you looking for that VisualVM doesn't offer?

If it's just Tomcat you want to monitor, also check out http://code.google.com/p/psi-probe/
 
Eran Kaplan
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Hi,

I'll try to be more accurate.

I'm not interested only in monitoring the JVM. I have my own MBeans which are exposed and I want to access them easily.
Specifically, I'm looking for a WAR file that I can deploy in Tomcat and will simply give me access to my MBeans through a browser (I know that JBoss has that capability).


Thanks.

 
Rob Spoor
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LambdaProbe can you show you a lot of system information. I don't know if they support custom MBeans though, you'd have to check that out.
 
Tim Moores
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PSI-Probe (which I linked to) is actually the current version of LambdaProbe (which is defunct)
 
Tim Moores
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Actually, PSI-Probe does not seem to support JMX console functionality yet, but that is scheduled to be part of a release planned for Q2 2012: http://code.google.com/p/psi-probe/issues/list?can=2&q=Milestone:2.4.0+-Status:FixedInSource
 
Rob Spoor
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Eran, apparently you feel that this thread belongs in the Tomcat forum, so I'll move it.
 
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