echoString.setEchoString (new EchoStringRequestBodyType ());
echoString.getEchoString().setSequence(sequenceKey);
echoString.getEchoString().setText("echo1");
RMInteropServiceCallbackHandlerImpl callback1 = new RMInteropServiceCallbackHandlerImpl ("callback1");
stub.startEchoString(echoString, callback1);
echoString = new EchoString ();
echoString.setEchoString (new EchoStringRequestBodyType ());
echoString.getEchoString().setSequence(sequenceKey);
echoString.getEchoString().setText("echo2");