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For EJB WS, you have to change the port that a WS will be deployed to in the app server itself. This is inconsistent with deploying BPEL processes from a comp app, in which you can simply go into the service section of the WSDL and change the hardcoded port to deploy it to the desired port. It should be possible to change the port than an EJB-WS will be deployed to as a developer task.