}
URL wsdlURL = new URL(wsdlLocation);
Service service = Service.create(wsdlURL, serviceName);
CallbackPortType port = (CallbackPortType)service.getPort(portName, sei);
System.out.println("Invoking on callback object");
String resp = port.serverSayHi(System.getProperty("user.name"));
System.out.println("Response from callback object: " + resp);
bus.shutdown(true);
} catch (Exception ex) {