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This repository was archived by the owner on Apr 8, 2020. It is now read-only.
This repository was archived by the owner on Apr 8, 2020. It is now read-only.

ASP.NET Core 2.1 Preview 2 Angular CLI App is not starting on debug mode #1625

@TanvirArjel

Description

@TanvirArjel

I have created an app selecting template angular with asp.net core 2.1 preview2-final on visual studio 2017 Version 15.6.6 . It runs gracefully without debug mode but does not run anyway on debug mode..It continuously showing the following exception :

TimeoutException: The Angular CLI process did not start listening for requests within the timeout period of 50 seconds. Check the log output for error information.
Microsoft.AspNetCore.SpaServices.Extensions.Util.TaskTimeoutExtensions.WithTimeout<T>(Task<T> task, TimeSpan timeoutDelay, string message)
TimeoutException: The Angular CLI process did not start listening for requests within the timeout period of 50 seconds. Check the log output for error information.
Microsoft.AspNetCore.SpaServices.Extensions.Util.TaskTimeoutExtensions.WithTimeout<T>(Task<T> task, TimeSpan timeoutDelay, string message)
Microsoft.AspNetCore.SpaServices.Extensions.Proxy.SpaProxy.PerformProxyRequest(HttpContext context, HttpClient httpClient, Task<Uri> baseUriTask, CancellationToken applicationStoppingToken, bool proxy404s)
Microsoft.AspNetCore.Builder.SpaProxyingExtensions+<>c__DisplayClass2_0+<<UseProxyToSpaDevelopmentServer>b__0>d.MoveNext()
Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext)
Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware.Invoke(HttpContext context)
Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)

I have tried with changing the startup timeout value as follows but no luck:

app.UseSpa(spa =>
            {
                spa.Options.SourcePath = "ClientApp";

                if (env.IsDevelopment())
                {
                    spa.Options.StartupTimeout = new TimeSpan.FromSeconds(120);
                    spa.UseAngularCliServer(npmScript: "start");
                }
            });

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