try {
call.setTransportInfo(Constants.TRANSPORT_HTTP, Constants.TRANSPORT_HTTP, false);
System.out.println("Sending the Async message ....");
OMOutput omOutput = new OMOutput(XMLOutputFactory.newInstance().createXMLStreamWriter
(System.out));
requestContext.getEnvelope().serialize(omOutput);
omOutput.flush();
System.out.println();
QName opName = new QName("urn:GoogleSearch", "doGoogleSearch");
OperationDescription opdesc = new OperationDescription(opName);
call.invokeNonBlocking(opdesc, requestContext, new ClientCallbackHandler());