c# - The server factory could not be located for the given input: Microsoft.Owin.Host.HttpListener -

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i have implemente signalr in window service.

private idisposable signalr { get; set; }  public void configuration(iappbuilder app) {            var hubconfig=new microsoft.aspnet.signalr.hubconfiguration();         hubconfig.enablejsonp = true;          app.usecors(corsoptions.allowall);         app.mapsignalr(hubconfig); }   private void startsignalrserver(stringbuilder sblog) {         try         {             this.signalr = webapp.start(serveruri); //this throws exception              //this.signalr= webapp.start<startup>(serveruri);             sblog.append(string.format("{0}--------signalr server started------",environment.newline));         }         catch (exception ex)         {             sblog.append(string.format("{0}exception in startsignalrserver=>{1}", environment.newline,ex.message));         } }

exception:the server factory not located given input: microsoft.owin.host.httplistener

the microsoft.owin.host.httplistener assembly runtime reference in webapp.start. need include in project's references available loading. check bin\debug (etc) directory make sure it's included. may add nuget dependency well.


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