private void doInit() {
    if (getConnections() == null) setConnections(new CopyOnWriteArrayList<ISocketServerConnection>());
    serverStartListenerList = new EventListenerList();
    serverStopListenerList = new EventListenerList();
    clientConnectListenerList = new EventListenerList();
    clientDisconnectListenerList = new EventListenerList();
    receiveDataOnServerListenerList = new EventListenerList();
    serverExceptionListenerList = new EventListenerList();
    setInitial(true);
  }