I just now tried with PostgreSQL 8.1 and it works wothout any problems, so it appears to be MySQL-related. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3963284#3963284 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3963284