Yes Peter, that's what I meant of my CR1 problem. the difference from yours is the problem doesn't occur in my Beta4. Howewer, my application still works well regarding the exception. Anil Saldhana has propose a solution by adding in messaging-service.xml: .... CHANGE ME!! XMLLoginConfig JNDIBasedSecurityManagement But the exception still occurs. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4161852#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...