 address MUST be used
 for invocations on the endpoint.
 The parameter <code>serviceEndpointInterface</code> specifies
 the service endpoint interface that is supported by the
 returned proxy.
 In the implementation of this method, the Jakarta XML Web Services
 runtime system takes the responsibility of selecting a protocol
 binding (and a port) and configuring the proxy accordingly from
 the WSDL associated with this <code>Service</code> instance or
 from the metadata from the <code>endpointReference</code