User development, A new message was posted in the thread "JBm queue conflict in a cluster environment.": http://community.jboss.org/message/523528#523528 Author : Yong Hao Gao Profile : http://community.jboss.org/people/gaohoward Message: -------------------------------------------------------------- I think you need to add this dependency to your queue mbean configuration.   <depends>jboss.messaging:service=PostOffice</depends>   Please try it and see if this solve the problem.   Howard -------------------------------------------------------------- To reply to this message visit the message page: http://community.jboss.org/message/523528#523528