public static boolean invokeSubscribe(String consumerURL, String serviceEPRURL, String topicName)
{
QName topic = QName.valueOf(topicName);
SubscribeDocument requestDoc = SubscribeDocument.Factory.newInstance();
SubscribeDocument.Subscribe subscribe = requestDoc.addNewSubscribe();
subscribe.setUseNotify(true);
Calendar instance = Calendar.getInstance();
instance.setTimeInMillis(instance.getTimeInMillis() + 2000000);
subscribe.setInitialTerminationTime(instance);
org.xmlsoap.schemas.ws.x2003.x03.addressing.EndpointReferenceType consumerRef = subscribe.addNewConsumerReference();