"busawreck" wrote : | When all messages have been sent but only about half of them read I kill the application, shouldn't the messages that have not been read be in the database then? So that the subscriber can receive them when the app restarts? At least, that is the kind of safety I'd like in my application. | Yes, the messages should be available on client-reconnection as a duable subscription has been set up earlier. However, did you check that you are using a single-mdb? If you are not using singleton-mdb configuration (which instantiates one-and-only-one mdb), hgh likely that your messages may be consumed by other instances too. /Madhu View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3976918#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...