I have set up a new JBoss 7.0.1 server and make the changes like you and it works... It seems, that the problem is Jboss 6.
I think I have to upgrade at JBoss 7. Your post about Hibernate 3 on Jboss 7 are very usefull now
But can you test it on Jboss 6? I don't know if the migration to Jboss 7 works.
I think there is no major risk on upgrading to jboss as 7, it's realy a Java EE revolution server ;-)
Go a head and enjoy it like i've done
Also if you can put this Forum discussion as answered for other readers ;-)
Thank you badr elhouari. I switched to Jboss 7 (with your Hibernate 3 tutorial ) and it works very fine! And now my internal memory problems are solved, too.
excelent ! glad to hear that