BlazorHero Deploying Error 405

[arkannet]

hi all i got this error after deploying
i read for it more than one week please help

6blazor.webassembly.js:1 info: Microsoft.AspNetCore.Authorization.DefaultAuthorizationService[2]
Authorization failed. These requirements were not met:
DenyAnonymousAuthorizationRequirement: Requires an authenticated user.
/signalRHub/negotiate?negotiateVersion=1:1

   Failed to load resource:/signalRHub/negotiate?negotiateVersion=1:1 

the server responded with a status of 405 (Method Not Allowed)
blazor.webassembly.js:1 info: Microsoft.AspNetCore.Authorization.DefaultAuthorizationService[2]
Authorization failed. These requirements were not met:
DenyAnonymousAuthorizationRequirement: Requires an authenticated user.
blazor.webassembly.js:1

   crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100]
  Unhandled exception rendering component: net_http_message_not_success_statuscode, 405, Method Not Allowed

System.Net.Http.HttpRequestException: net_http_message_not_success_statuscode, 405, Method Not Allowed
at System.Net.Http.HttpResponseMessage.EnsureSuccessStatusCode()
at Microsoft.AspNetCore.Http.Connections.Client.HttpConnection.NegotiateAsync(Uri url, HttpClient httpClient, ILogger logger, CancellationToken cancellationToken)
at Microsoft.AspNetCore.Http.Connections.Client.HttpConnection.GetNegotiationResponseAsync(Uri uri, CancellationToken cancellationToken)
at Microsoft.AspNetCore.Http.Connections.Client.HttpConnection.SelectAndStartTransport(TransferFormat transferFormat, CancellationToken cancellationToken)
at Microsoft.AspNetCore.Http.Connections.Client.HttpConnection.StartAsyncCore(TransferFormat transferFormat, CancellationToken cancellationToken)
at System.Threading.Tasks.ForceAsyncAwaiter.GetResult()
at Microsoft.AspNetCore.Http.Connections.Client.HttpConnection.StartAsync(TransferFormat transferFormat, CancellationToken cancellationToken)
at Microsoft.AspNetCore.Http.Connections.Client.HttpConnectionFactory.ConnectAsync(EndPoint endPoint, CancellationToken cancellationToken)
at Microsoft.AspNetCore.Http.Connections.Client.HttpConnectionFactory.ConnectAsync(EndPoint endPoint, CancellationToken cancellationToken)
at Microsoft.AspNetCore.SignalR.Client.HubConnection.StartAsyncCore(CancellationToken cancellationToken)
at Microsoft.AspNetCore.SignalR.Client.HubConnection.StartAsyncInner(CancellationToken cancellationToken)
at System.Threading.Tasks.ForceAsyncAwaiter.GetResult()
at Microsoft.AspNetCore.SignalR.Client.HubConnection.StartAsync(CancellationToken cancellationToken)
at CAP.Client.Shared.MainLayout.OnInitializedAsync()
at Microsoft.AspNetCore.Components.ComponentBase.RunInitAndSetParametersAsync()
at Microsoft.AspNetCore.Components.RenderTree.Renderer.GetErrorHandledTask(Task taskToHandle)
d.printErr @ blazor.webassembly.js:1

[arkannet]

Any help?

[arkannet]

ERROR in await hubConnection.StartAsync();
in MainLayout
and help

[obriankevin11]

@arkannet Hi, did you figure this out?

[KrisJohnstone]

Replace the following:

services.AddMediatR(Assembly.GetExecutingAssembly());

With:

services.AddMediatR(cfg=>cfg.RegisterServicesFromAssemblies(Assembly.GetExecutingAssembly()));

[obriankevin11]

Thanks