Hi. I've noticed that the Listener which are stored in the session (from MessageListenerServlet) is not serializable:
>From my app servers logs. [15:46:42.393] Failed storing persistent session attribute `mls.listener'. Persistent session values must extend java.io.Serializable. [15:46:42.393] java.io.NotSerializableException: org.apache.activemq.web.MessageListenerServlet$Listener By looking at the class "private class Listener implements MessageAvailableListener" at least the WebClient is Serializable but I don't know about Continuation. What is continuation used for ? Kindly //Marcus Herou -- Marcus Herou CTO and co-founder Tailsweep AB +46702561312 [EMAIL PROTECTED] http://www.tailsweep.com/ http://blogg.tailsweep.com/