hello-world-startup-capture-errors – C# (Csharp) 프로그래밍


using Microsoft.AspNetCore.Hosting; //IWebHostBuilder
using Microsoft.AspNetCore.Builder; //IApplicationBuilder
using Microsoft.AspNetCore.Http; //WriteAsync
using Microsoft.AspNetCore; //webHost
using Microsoft.Extensions.Logging;//ILoggerFactory
using Microsoft.Extensions.DependencyInjection; // IServiceCollection
using Microsoft.Extensions.Primitives; //StringValues
using System; //Exception

namespace WebApplication1
{
    public class Startup
    {
        public Startup(IHostingEnvironment env, ILoggerFactory logger)
        {
            //These are two services available at constructor
        }

        public void ConfigureServices(IServiceCollection services)
        {
            throw new Exception("error here");
        }

        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory logger)
        {
            app.Run(context =>
            {
                return context.Response.WriteAsync($"Request {context.Request.Method}");
            });
        }
    }



    public class Program
    {
        public static void Main(string[] args)
        {
            CreateWebHostBuilder(args).Build().Run();
        }

        public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>
            WebHost.CreateDefaultBuilder(args)
             .UseSetting("detailedErrors", "true")
                .UseStartup<Startup>()
                .UseEnvironment("Development"); //You can change this to "Production" to use StartupProduction
    }
}

using Microsoft.AspNetCore.Hosting; //IWebHostBuilder

using Microsoft.AspNetCore.Builder; //IApplicationBuilder

using Microsoft.AspNetCore.Http; //WriteAsync

using Microsoft.AspNetCore; //webHost

using Microsoft.Extensions.Logging;//ILoggerFactory

using Microsoft.Extensions.DependencyInjection; // IServiceCollection

using Microsoft.Extensions.Primitives; //StringValues

using System; //Exception

namespace WebApplication1

{

public class Startup

{

public Startup(IHostingEnvironment env, ILoggerFactory logger)

{

//These are two services available at constructor

}

public void ConfigureServices(IServiceCollection services)

{

throw new Exception("error here");

}

public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory logger)

{

app.Run(context =>

{

return context.Response.WriteAsync($"Request {context.Request.Method}");

});

}

public class Program

{

public static void Main(string[] args)

{

CreateWebHostBuilder(args).Build().Run();

}

public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>

WebHost.CreateDefaultBuilder(args)

.UseSetting("detailedErrors", "true")

.UseStartup<Startup>()

.UseEnvironment("Development"); //You can change this to "Production" to use StartupProduction

}

결과 :
An error occurred while starting the application.
Exception: error here
WebApplication1.Startup.ConfigureServices(IServiceCollection services) in Program.cs, line 21
Exception: error here
WebApplication1.Startup.ConfigureServices(IServiceCollection services) in Program.cs
21. throw new Exception(“error here”);
Microsoft.AspNetCore.Hosting.ConventionBasedStartup.ConfigureServices(IServiceCollection services)
Microsoft.AspNetCore.Hosting.Internal.WebHost.EnsureApplicationServices()
Microsoft.AspNetCore.Hosting.Internal.WebHost.Initialize()
Microsoft.AspNetCore.Hosting.Internal.WebHost.BuildApplication()
Show raw exception details
.NET Core 4.6.28008.02 X64 v4.0.0.0 | Microsoft.AspNetCore.Hosting version 2.2.7-servicing-10089 | Microsoft Windows 10.0.18362 | Need help?