To be more precise I'm using treecache as second level cache to hibernate 3.2.5.GA View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4082579#4082579 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4082579