The information contained in the endpoint reference is used to identify the partner endpoint to invoke. However, it does not provide enough information to format a message (wsdl:binding) and send it to a given address (wsdl:port). The full WSDL description is still needed even if you set the reference dynamically. The solution is to register the WSDL documents of all your candidate partner services. jBPM BPEL will select the best match to your endpoint reference among all the services in the catalog. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4102644#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...