code: @Override
    public void onAccept()
    {
      if (_request != null) {
        System.out.println("OLD_REQUEST: " + _request);
      }
      
      _sequenceClose.set(-1);
      /*
      _request = protocol().newRequest(this);
      _request.onAccept();
      */
    }
docs: Called first when the connection is first accepted.