Function onerror

public/bundle.js:3465–3474

(err)

	
	  //Handle any error that happens while probing
	  function onerror(err) {
	    var error = new Error('probe error: ' + err);
	    error.transport = transport.name;
	
	    freezeTransport();
	
	    debug('probe transport "%s" failed because of error: %s', name, err);
	
	    self.emit('upgradeError', error);
	  }
	
	  function onTransportClose(){
	    onerror("transport closed");