Unhealthy event: SourceId='System.RA', Property='ReplicaOpenStatus', HealthState='Warning', ConsiderWarningAsError=false.
Replica had multiple failures during open on _Node1_0. API call: IStatelessServiceInstance.Open(); Error = System.InvalidOperationException (-2146233079)
To use UseSpaStaticFiles, you must first register an ISpaStaticFileProvider in the service provider, typically by calling services.AddSpaStaticFiles.
   at Microsoft.Extensions.DependencyInjection.SpaStaticFilesExtensions.ShouldServeStaticFiles(IApplicationBuilder app, Boolean allowFallbackOnServingWebRootFiles, IFileProvider& fileProviderOrDefault)
   at Microsoft.Extensions.DependencyInjection.SpaStaticFilesExtensions.UseSpaStaticFilesInternal(IApplicationBuilder app, StaticFileOptions staticFileOptions, Boolean allowFallbackOnServingWebRootFiles)
   at AppApiGateway.Startup.Configure(IApplicationBuilder app, IHostingEnvironment env) in C:\Users\Yatajga\Source\Repos\DistrTest\src\ServiceFabric\AppApiGateway\Startup.cs:line 68
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at Microsoft.AspNetCore.Hosting.ConventionBasedStartup.Configure(IApplicationBuilder app)
   at Microsoft.AspNetCore.Hosting.Internal.WebHost.BuildApplication()
   at Microsoft.AspNetCore.Hosting.WebHostBuilder.Build()
   at AppApiGateway.AppApiGateway.<>c__DisplayClass1_0.b__1(String url, AspNetCoreCommunicationListener listener) in C:\Users\Yatajga\Source\Repos\DistrTest\src\ServiceFabric\AppApiGateway\AppApiGateway.cs:line 44
   at Microsoft.ServiceFabric.Services.Communication.AspNetCore.AspNetCoreCommunicationListener.OpenAsync(CancellationToken cancellationToken)
   at Microsoft.ServiceFabric.Services.Runtime.StatelessServiceInstanceAdapter.d__19.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Microsoft.ServiceFabric.Services.Runtime.StatelessServiceInstanceAdapter.d__13.MoveNext()
For more information see: http://aka.ms/sfhealth
internal sealed class AppApiGateway : StatelessService
        public AppApiGateway(StatelessServiceContext context)
            : base(context)
        /// <summary>
        /// Optional override to create listeners (like tcp, http) for this service instance.
        /// </summary>
        /// <returns>The collection of listeners.</returns>
        protected override IEnumerable<ServiceInstanceListener> CreateServiceInstanceListeners()
            return new ServiceInstanceListener[]
                new ServiceInstanceListener(serviceContext =>
                    new KestrelCommunicationListener(serviceContext, "ServiceEndpoint", (url, listener) =>
                        ServiceEventSource.Current.ServiceMessage(serviceContext, $"Starting Kestrel on {url}");
                        // Read environment from config files
                        var environment = FabricRuntime.GetActivationContext()?
                            .GetConfigurationPackageObject("Config")?
                            .Settings.Sections["Environment"]?
                            .Parameters["ASPNETCORE_ENVIRONMENT"]?.Value;
                        return new WebHostBuilder()
                            .UseKestrel()
                            .ConfigureServices(
                                services => services
                                    .AddSingleton<StatelessServiceContext>(serviceContext))
                            .UseContentRoot(Directory.GetCurrentDirectory())
                            .UseStartup<Startup>()
                            .UseEnvironment(environment)
                            .UseServiceFabricIntegration(listener, ServiceFabricIntegrationOptions.None)
                            .UseUrls(url)
                            .Build();
                    }))
// This method gets called by the runtime. Use this method to add services to the container.
public IServiceProvider ConfigureServices(IServiceCollection services)
    services.AddSignalR();
    services.AddMvc();
    services.AddSingleton<IClusterClient>(sp =>
        OrleansConfiguration.StartClientWithRetries(out var client);
        return client;
    });
    var container = new ContainerBuilder();
    container.Populate(services);
    // In production, the Angular files will be served from this directory
    services.AddSpaStaticFiles(configuration =>
        configuration.RootPath = "ClientApp/dist";
    });
    return new AutofacServiceProvider(container.Build());
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
    app.UseSignalR(routes =>
        routes.MapHub<ProductMessageHub>("ProductMessageHub");
    });
    if (env.IsDevelopment())
        app.UseDeveloperExceptionPage();
        app.UseExceptionHandler("/Home/Error");
    app.UseStaticFiles();
    app.UseSpaStaticFiles();
    app.UseMvc(routes =>
        routes.MapRoute(
            name: "default",
            template: "{controller}/{action=Index}/{id?}");
    });
    app.UseSpa(spa =>
        // To learn more about options for serving an Angular SPA from ASP.NET Core,
        // see https://go.microsoft.com/fwlink/?linkid=864501
        spa.Options.SourcePath = "ClientApp";
        if (env.IsDevelopment())
            spa.UseAngularCliServer(npmScript: "start");
    });
      To use UseSpaStaticFiles, you must first register an ISpaStaticFileProvider in Azure Service Fabric
      dotnet/Scaffolding#831