I solved adding this:    <!-- MessageBroker Servlet -->    <servlet>        <servlet-name>MessageBrokerServlet</servlet-name>        <display-name>MessageBrokerServlet</display-name>        <servlet-class>flex.messaging.MessageBrokerServlet</servlet-class>        <init-param>            <param-name>...

Hi, I am having the same issue you had (http://forums.adobe.com/message/1940284#1940284), can you help me solving it ?Thanks.