The HornetQ plug-in will accept either of 2 parameters: MBeanServerConnectionJndi or the jmxUrl. To use the Hermes plugin, it is necessary to add the Hermes/lib jars to the CLassPathGroup. Either one will do the job. It is possible to set both properties. If the jmxUrl is used, it will take precedence. I found this option convenient, as it does not require me to add additional application server specific jars to the ClassPathGroup.