AddNumbersService service = new AddNumbersService(wsdl, serviceName);
        QName portName = new QName("http://apache.org/cxf/systest/ws/addr_feature/", "AddNumbersPort");
        Dispatch<SOAPMessage> disp = service.createDispatch(portName, SOAPMessage.class,
                                                            Service.Mode.MESSAGE,
                                                            new AddressingFeature(false, false));
        disp.getRequestContext().put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY,
                                 "http://localhost:" + PORT + "/jaxws/add");
        
        InputStream msgIns = getClass().getResourceAsStream("./duplicate-wsa-header-msg.xml");
        String msg = new String(IOUtils.readBytesFromStream(msgIns));