Object proxy =service.getPort(portName, DocLitWrappedProxy.class);
BindingProvider p = (BindingProvider)proxy;
p.getRequestContext().put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY, axisEndpoint);
DocLitWrappedProxy dwp = (DocLitWrappedProxy)proxy;
AsyncHandler handler = new AsyncCallback();
Future<?> response = dwp.twoWayAsync(request, handler);
// Try again
handler = new AsyncCallback();
response = dwp.twoWayAsync(request, handler);