You may have better luck asking this question in the Enterprise JavaBeans forum:
http://forum.java.sun.com/forum.jspa?forumID=13
or the Java EE SDK forum:
http://forum.java.sun.com/forum.jspa?forumID=136
This forum is for general questions concerning Java Enterprise System
(http://ww.sun.com/software/javaenterprisesystem)
Joe