3 days wasted trying to solve a TIBCO issue with EMS messages. 
Heres the scenario:
Utilizing a TIBCO service with a “JMS Queue Requestor” that communicated with a backoffice java service (spring, jboss rules).  The TIBCO service published messages to a specific ems queue.. MYSERVICE.REQUEST and would listen for responses to queue MYSERVICE.RESPONSE.  The backend service [...]