take a look to the JBoss web-console (try hostname:8080 with a browser if JBoss is started with default ports).
Navigate to WebConsole.
Open tree 'J2EE Domains'/jboss-manangement-local/Jboss ... SERVERVERSION ..../your EAR file
Here you will find your deployed Beans.
If you selevt one Bean some statistics are shown (e.g create, remove and access counter)