Maybe there are some problems with Postgresql!!! I have the same error switching to Mysql solve the problem!!! View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3989961#3989961 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3989961