Sorry, I ask the quesiotn hastily, I find I should refer to JBoss Messaging Document. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4148108#4148108 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4148108