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SignalR ASP.NET Core on Service Fabric Fails with HTTP 410 GONE


SignalR ASP.NET Core on Service Fabric Fails with HTTP 410 GONE

By : Sebastian Bene
Date : January 12 2021, 09:11 PM
this one helps. I needed to disable Service Fabric Integration in the WebHost Builder. Simply replacing this:
code :
.UseServiceFabricIntegration(listener, ServiceFabricIntegrationOptions.UseUniqueServiceUrl)
.UseServiceFabricIntegration(listener, ServiceFabricIntegrationOptions.None)


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Both HTTP and HTTPS endpoints on Service Fabric Asp.Net Core stateless Service

Both HTTP and HTTPS endpoints on Service Fabric Asp.Net Core stateless Service


By : Aashish Baidya
Date : March 29 2020, 07:55 AM
like below fixes the issue I have a Service Fabric Stateless Asp.Net Core service. , I resolved using an Azure Application Gateway.
Service Fabric Service HTTP/REST communication OWIN/Katana vs ASP.NET Core

Service Fabric Service HTTP/REST communication OWIN/Katana vs ASP.NET Core


By : user7432102
Date : March 29 2020, 07:55 AM
Hope this helps In terms of simplicity I would go with the first option and implement it as an OWIN middleware, which you can later use with ASP.NET Core if you change your mind.
SignalR Core 1.0 intermittently changes the case of http method for non signalR POST, need fix (AKA Random 404 Errors)

SignalR Core 1.0 intermittently changes the case of http method for non signalR POST, need fix (AKA Random 404 Errors)


By : Azher
Date : March 29 2020, 07:55 AM
To fix this issue This question was looked into via this GitHub issue https://github.com/aspnet/KestrelHttpServer/issues/2591 which was originally opened up when someone else also observed random 404 errors
I want to especially thank @ben-adams for his help in understanding what was going on.
code :
 public static Timer GetNewTimer(TimerCallback callback, object state, int dueTime, int interval) {

        bool didSuppress = false;
        try {
            if (!ExecutionContext.IsFlowSuppressed()) {
                //We need to suppress the flow of the execution context so that it does not flow to our
                //new asynchronous thread. This is important so that AsyncLocals (like the one used by 
                //IHttpaccessor) do not flow to the new thread we are pushing our work to.  By not flowing the
                //execution context, IHttpAccessor wil return null rather than bogusly returning a context for 
                //a request that is in between requests.
                //Related info: https://github.com/aspnet/KestrelHttpServer/issues/2591#issuecomment-399978206
                //Info on Execution Context: https://blogs.msdn.microsoft.com/pfxteam/2012/06/15/executioncontext-vs-synchronizationcontext/
                ExecutionContext.SuppressFlow();

                didSuppress = true;
            }

            return new Timer(callback, state, dueTime, interval);

        } finally {
            // Restore the current ExecutionContext
            if (didSuppress) {
                ExecutionContext.RestoreFlow();
            }
        }
    }
Fabric: Integrating service hook GitLab fails with HTTP 308

Fabric: Integrating service hook GitLab fails with HTTP 308


By : Eric de Guzman
Date : March 29 2020, 07:55 AM
hop of those help? I had the same problem. I fix it by removing / at the end of the link to my gitlab server
https://gitlab.com/ changed to https://gitlab.com
SignalR .NET Client connecting to Azure SignalR Service in a Blazor .NET Core 3 application

SignalR .NET Client connecting to Azure SignalR Service in a Blazor .NET Core 3 application


By : Colin Ritchie
Date : March 29 2020, 07:55 AM
I wish this helpful for you Okay so it turns out the documentation is lacking a key piece of information here. If you're using the .NET SignalR Client connecting to the Azure SignalR Service, you need to request a JWT token and present it when creating the hub connection.
If you need to authenticate on behalf of a user you can use this example.
code :
public class SignalRConnectionInfo
{
    [JsonProperty(PropertyName = "url")]
    public string Url { get; set; }
    [JsonProperty(PropertyName = "accessToken")]
    public string AccessToken { get; set; }
}
public async Task InitializeAsync()
{
    SignalRConnectionInfo signalRConnectionInfo;
    signalRConnectionInfo = await functionsClient.GetDataAsync<SignalRConnectionInfo>(FunctionsClientConstants.SignalR);

    hubConnection = new HubConnectionBuilder()
        .WithUrl(signalRConnectionInfo.Url, options =>
        {
           options.AccessTokenProvider = () => Task.FromResult(signalRConnectionInfo.AccessToken);
        })
        .Build();
}
public delegate void ReceiveMessage(string message);
public static event ReceiveMessage ReceiveMessageEvent;
await signalRClient.InitializeAsync(); //<---called from another method

private async Task StartReceiving()
{
    SignalRStatus = await signalRClient.ReceiveReservationResponse(Response.ReservationId);
    logger.LogInformation($"SignalR Status is: {SignalRStatus}");

    // Register event handler for static delegate
    SignalRClient.ReceiveMessageEvent += signalRClient_receiveMessageEvent;
}

private async void signalRClient_receiveMessageEvent(string response)
{
    logger.LogInformation($"Received SignalR mesage: {response}");
    signalRReservationResponse = JsonConvert.DeserializeObject<SignalRReservationResponse>(response);
    await InvokeAsync(StateHasChanged); //<---used by Blazor (server-side)
}

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