Sorry for the delayed response...I have been on vacation.
The implemention you are using appears to be non-compliant.
Independent Consultant — Author, EJB 3 in Action — Expert Group Member, Java EE 6 and EJB 3.1
Joined: Aug 05, 2006
This is third time in a row now.
Looks like one must not use jboss-4.2.3.GA.
The code was deployed with jboss-4.2.3.GA application server.
Please suggest a better application server which is completely compliant with ejb 3.0 specification.
Joined: Feb 01, 2005
Please see my response to one of the similar posts from you.
subject: A session bean class must not have a superclass that is itself a session bean class.