asp.net mvc - Client doesn't make a connection to the SignalR server -


i'm trying implement signalr application. start things of started basic, reason i'm getting error whole time. pease have @ code , see i'm doing wrong. in advance.

starup code

using microsoft.owin; using owin;  [assembly: owinstartupattribute(typeof(cdvportal.startup))] namespace cdvportal {     public partial class startup     {         public void configuration(iappbuilder app)         {             configureauth(app);             app.mapsignalr();         }     } }

hub code

    using system; using system.collections.generic; using system.linq; using system.web; using microsoft.aspnet.signalr; using microsoft.aspnet.signalr.hubs;  namespace cdvportal.hubs {      public class reservationshub : hub     {         public void newreservations()         {             clients.all.newreservation("hey works");         }     } }

client side code

<script src="~/scripts/jquery-2.1.3.js"></script>         <script src="~/scripts/jquery.signalr-2.2.0.js"></script>         @*<script src="~/signalr/hubs"></script>*@         <script type="text/javascript">              (function () {                 var connection = $.hubconnection();                 var hub = connection.createhubproxy('reservationshub')                 hub.on('newreservation', function (message) {                     alert(message);                 });                  connection.start().done(function(){                     hub.invoke('newreservations')                 });                                 }());

error i'm getting


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