Which version of JBossAS? If 4.2.x, perhaps the JVM version is the issue. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4124852#4124852 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4124852