Correction on the previous post: The Exception occurs whether my app has been deployed or not. My MDB's annotations look like this: | @MessageDriven(activationConfig = { | @ActivationConfigProperty( | propertyName = "destinationType", | propertyValue = "javax.jms.Topic"), | @ActivationConfigProperty( | propertyName = "destination", | propertyValue = "topic/noticeTopic"), | @ActivationConfigProperty( | propertyName = "providerAdapterJNDI", | propertyValue = "DFMJMSProvider") | }) | View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4233414#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...