Just to make this thread complete.
I've solved the problem after lots of research. The problem was actually caused
by that I specified the JDBC connection information in the Hibernate
configuration file directly. In other words, Hibernate uses the JDBC directly
without letting the JBoss App Ser
Just started with JBoss + EJB 3 + Hibernate.
I have some simle SessionBean object, in which it obtains Hibernate Session
object and performs db related operations. I configured the Hibernate to use
JTA from JBoss by specifying Hibernate property
jta.UserTransaction=UserTransaction. Then I found
