No, you can't get access to the JChannel, and if you did that send() call wouldn't work. HAServiceMBeanSupport provides a callMethodOnPartition method that lets you invoke an RPC on the group; you could pass the target node as a param. If you can use AS 5.1 (now in CR1 release) HAPartition also exposes methods for making RPCs solely on target nodes: /** * Calls method synchronously on target node only. * @param serviceName Name of the target service name on which calls are de-multiplexed * @param methodName name of the Java method to be called on remote services * @param args array of Java Object representing the set of parameters to be * given to the remote method * @param types The types of the parameters * node of the partition or only on remote nodes * @param targetNode is the target of the call * @return the value returned by the target method * @throws Exception Throws if a communication exception occurs */ public Object callMethodOnNode(String serviceName, String methodName, Object[] args, Class[] types, long methodTimeout, ClusterNode targetNode) throws Throwable; /** * Calls method on target node only. * @param serviceName Name of the target service name on which calls are de-multiplexed * @param methodName name of the Java method to be called on remote services * @param args array of Java Object representing the set of parameters to be * given to the remote method * @param types The types of the parameters * node of the partition or only on remote nodes * @param targetNode is the target of the call * * @throws Exception Throws if a communication exception occurs */ public void callAsyncMethodOnNode(String serviceName, String methodName, Object[] args, Class[] types, long methodTimeout, ClusterNode targetNode) throws Throwable; There's no convenience method to expose that via HAServiceMBeanSupport, but that's not hard for you to implement. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4228065#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...