Sr. Software Architect, Passionate about Open source Tools & Technologies. Expert in Enterprise Web Application Development using Java/J2ee Platform. Worked significantly on Enterprise Data Grid, Transactional Data Management, B2B Integration and Performance & Code Instrumentation. Senthil has posted 8 posts at DZone. You can read more from them at their website. View Full User Profile

JBoss Profiler 2.0

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I recently got myself into a tough situation where I needed to do some memory profiling a web application. I had a custom written profiler which does ok on measuring the time consumption, but not the memory. Since most of the profilers are commercial, I tried out JBoss Profiler 2.0, Wow! I have never seen a profiler work in just 3-4 steps. If you don't believe me, try it yourself:

1.Download JBoss Profiler 2.0 -

2.Copy files to your JBoss,
  • jboss-profiler.jar -> jboss/bin
  • (Add packages to be instrumented in includes) -> jboss/bin
  • javassist.jar -> Jboss/bin
  • jboss-profiler.sar -> jbossas/server/(default)/deploy
3.Add the following to your run.conf or run.bat JAVA_OPTS,
4.Start the Server, Use the Client program to collect the statistics
java -Xmx512m -jar jboss-profiler-client.jar -h(host) -P(port) snapshot

1.An excellent User Guide comes with the download, it has everything you need to know.
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Published at DZone with permission of its author, Senthil Balakrishnan.

(Note: Opinions expressed in this article and its replies are the opinions of their respective authors and not those of DZone, Inc.)


Jesper Pedersen replied on Thu, 2010/05/13 - 7:52am

Thanks for the kind words ! Feel free to stop by our forum if you want to help with the project - we have a lot of tasks for the community :)

Senthil Balakrishnan replied on Tue, 2010/05/25 - 9:56am in response to: Jesper Pedersen

Will be excited to be part of it :)

Sri Kanth replied on Wed, 2011/08/10 - 7:44am

Hi Floks, can any one please help, how will we run jboss profiler using client and service side programing like webservice. i done all configrations and in properties also i given includes my package structure. but in command promt if i run the command at that time i did not get any ourt pur. any one please help me. Thanks, Srikanth

Sri Kanth replied on Wed, 2011/08/10 - 9:26am

HI while i am running the application and using the profiler i got the follwoing error Step1: [agilairedev@localhost jboss-profiler-2.0.0.Beta5]$ java -jar jboss-profiler-client.jar startProfiler Step2: i run my application i got ouput in my console Step 3: [agilairedev@localhost jboss-profiler-2.0.0.Beta5]$ java -jar jboss-profiler-client.jar stopProfiler Step4: Here i am facing the following problem [agilairedev@localhost jboss-profiler-2.0.0.Beta5]$ java -jar jboss-profiler-client.jar getSnapshot 2011-08-10 09:30:36,677 ERROR [org.jboss.profiler.client.cmd.Client] java.lang.NullPointerException at org.jboss.profiler.connectors.AbstractHandler.handleCommand( at org.jboss.profiler.connectors.SocketHandler.invoke( at org.jboss.remoting.ServerInvoker.invoke( at org.jboss.remoting.transport.socket.ServerThread.completeInvocation( at org.jboss.remoting.transport.socket.ServerThread.processInvocation( at org.jboss.remoting.transport.socket.ServerThread.dorun( at at org.jboss.remoting.MicroRemoteClientInvoker.invoke( at org.jboss.remoting.Client.invoke( at org.jboss.remoting.Client.invoke( at org.jboss.remoting.Client.invoke( at org.jboss.profiler.client.cmd.Client.main( [agilairedev@localhost jboss-profiler-2.0.0.Beta5]$ I am using JbossProfiler 2.0Beta 5 version and Jboss Server 5.1 under linux environ ment can you please correct me if i am wrong

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