How to register an Interceptor for all busses?

I understood that I can register an interceptor like this: I have a Karaf container that hosts a number of Web Services, each has it's own CXF bus. Now I'd like to activate my Interceptor for all those Web Services. How can I do this? How can I

wsdl2java: Two declarations cause a collision in the ObjectFactory class.

I would appreciate if you could tell me if the attached wsdl is properly formatted. I ran the wsdl2java function of ApacheCXF v 3.2.2 to obtain the java programs for this webservice. I keep on getting the collision in declarations. The wsdl is from a remote service so it would be difficult for