Cannot read property 'length' of undefined about mikronode HOT 4 CLOSED

api.prototype.connect = function(connectHandler) {
    // While logging in, if an error occurs, we should kill the socket. This will keep node from not terminating due to lingering sockets.
    if (this.debug > 3) console.error('Connecting to ' + this.host);
    this.connecting = true;
    var self = this;
    this.socket = net.connect(this.port, this.host, connectHandler);
    // This will be called if there is no activity to the server.
    // If this occurs before the login is successful, it could be
    // that it is a connection timeout.
    this.socket.setTimeout(this.timeout * 1000, function(e) { // the socket timed out. According to the NodeJS api docs, right after this, it will be._closed.
      if (self.debug)
        console.error('Socket Timeout');
      if (!self.connected)
        self.emit('error', 'Timeout Connecting to host', self);
    });
    this.socket.setKeepAlive(true);
    this.socket.on('data', function(a) {
      self.read(a);
    });
    this.socket.on('end', function(a) {
      self.socket.destroy();
      if (self.connected)
        self.handler.close(true);
    });
    this.socket.on('error', function(a) {
      if (self.debug > 1)
        util.log('Connection error: ' + a);
      self.handler.emit('error', a, this.handler)
      self.handler.close(true);
    });
  }