Enabling management agent in JVM

To attach jconsole to a JVM, it has to be launched with a management agent:

java -jar ... -Dcom.sun.management.jmxremote

To run JBoss AS with the agent enabled, simply run:

<jboss-home>/bin/run.sh -Dcom.sun.management.jmxremote

See JBossRunParameters.

See also: http://java.sun.com/j2se/1.5.0/docs/guide/management/agent.html#jmxagent

Connecting jconsole to a JVM

To list java processes, run jps (found in <java_home/bin>).

$ jps -l
28922 org.jboss.Main
28946 sun.tools.jps.Jps
28871 org.codehaus.classworlds.Launcher
18290 org.netbeans.Main

Then connect the jconsole:

$ jconsole 28922

Happy monitoring

Connecting jconsole to JBoss AS started from Cargo plugin for Maven

To pass the parameter using Cargo plugin for Maven, add this to pom.xml:

<build>
    <plugins>
       <plugin>
          ...
          <configuration>
             <!-- Container configuration -->
             <configuration>
               <properties>
                 <com.sun.management.jmxremote></com.sun.management.jmxremote>
               </properties>
             </configuration>
             <!-- /Container configuration -->
          </configuration>
          ...
       </plugin>
    </plugins>
 </build>