*/
public void stop() {
transportConnected = false;
Map map = (Map) this.requestMap.clone();
for (Iterator i = map.values().iterator();i.hasNext();) {
ReceiptHolder rh = (ReceiptHolder) i.next();
rh.close();
}
map.clear();
requestMap.clear();
if (transportChannelListener != null) {
transportChannelListener.removeClient(this);