int answer = a + b;
System.out.printf("SmallNumberHandler addNumbers(%d, %d) == %d\n", a, b, answer);
// ok, we've done the calculation, so build the
// response and set it as the payload of the message
AddNumbersResponse resp = new AddNumbersResponse();
resp.setReturn(answer);
msg.setPayload(resp, jaxbContext);
// finally, return false, indicating that request
// processing stops here and our answer will be
// returned to the client