The vast majority of Tomcat applications ran fin on GlassFish. Jan tell us that now even the ones using the Tomcat-style valves will run unmodified.

Of at The ServerSide Pawan explains How to use OpenMQ with Mule ESB by configuring the Mule JMS connector. Added (by pelegri) - I've heard of a number of requests for this, please let us know if you use the combination so we can track OpenMQ