c# - 将 ASP.NET Core 1.0 更新到 1.1 后出现 HTTP 502.5 错误

Question

重现步骤

我用了这个official ASP.NET和 this将我的 ASP.NET Core 1.0 应用程序升级到 1.1 的文章。该应用程序编译正常，但是当我使用 F5 运行该应用程序时，出现以下错误

错误:

HTTP Error 502.5 - Process Failure

Common causes of this issue:

The application process failed to start
The application process started but then stopped
The application process started but failed to listen on the configured port

更多技术细节

操作系统:Windows 10

Visual Studio 版本:2015-Update 3(包含最新更新)

注意:

我的应用程序在运行默认内置 IIS Express 的开发机器 (windows 10) 上。不涉及服务器或迁移到不同的服务器。

Windows 事件日志:

Failed to start process with commandline '"C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\Extensions\Microsoft\Web Tools\ProjectSystem\VSIISExeLauncher.exe" -p "C:\Program Files\dotnet\dotnet.exe" -a "C:\DotNet2015\src\ABCTest\bin\Debug\netcoreapp1.1\ABCTest.dll" -wd "C:\DotNet2015\src\ABCTest" -wbe Global\Build30603dd4-5933-4547-8aff-af488d42458c -lse Global\Launchf9d250ad-37e9-4e5b-8375-46f63c747deb', ErrorCode = '0x80004005'.

project.json 文件:

{
  "userSecretsId": "aspnet-ABCTest-6af8ade3-87ff-4468-a9ce-8bb69c696ab8",

  "dependencies": {
    "Microsoft.NETCore.App": {
      "version": "1.1.0",
      "type": "platform"
    },
    "Microsoft.EntityFrameworkCore.SqlServer": "1.1.0",
    "Microsoft.EntityFrameworkCore.Tools": "1.1.0-preview4-final",
    "Microsoft.AspNetCore.Mvc": "1.1.0",
    "Microsoft.AspNetCore.Mvc.Core": "1.1.0",
    "Microsoft.AspNetCore.Server.Kestrel": "1.1.0",
    "Microsoft.EntityFrameworkCore.SqlServer.Design": "1.1.0",
    "Microsoft.AspNetCore.Authentication.Cookies": "1.1.0",
    "Microsoft.AspNetCore.Diagnostics": "1.1.0",
    "Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore": "1.1.0",
    "Microsoft.AspNetCore.Identity": "1.1.0",
    "Microsoft.AspNetCore.Identity.EntityFrameworkCore": "1.1.0",
    "Microsoft.AspNetCore.Razor.Tools": "1.1.0-preview4-final",
    "Microsoft.AspNetCore.Server.IISIntegration": "1.1.0",
    "Microsoft.AspNetCore.Server.IISIntegration.Tools": "1.1.0-preview4-final",
    "Microsoft.AspNetCore.StaticFiles": "1.1.0",
    "Microsoft.Extensions.Configuration.EnvironmentVariables": "1.1.0",
    "Microsoft.Extensions.Configuration.Json": "1.1.0",
    "Microsoft.Extensions.Configuration.UserSecrets": "1.1.0",
    "Microsoft.Extensions.Logging": "1.1.0",
    "Microsoft.Extensions.Logging.Console": "1.1.0",
    "Microsoft.Extensions.Logging.Debug": "1.1.0",
    "Microsoft.Extensions.Options.ConfigurationExtensions": "1.1.0",
    "Microsoft.VisualStudio.Web.BrowserLink.Loader": "14.1.0",
    "Microsoft.VisualStudio.Web.CodeGeneration.Tools": "1.1.0-preview4-final",
    "Microsoft.VisualStudio.Web.CodeGenerators.Mvc": "1.1.0-preview4-final"  },

  "tools": {
    "BundlerMinifier.Core": "2.0.238"  },

  "frameworks": {
    "netcoreapp1.1": {
      "imports": [
        "dotnet5.6",
        "portable-net45+win8"
      ]
    }
  },

  "buildOptions": {
    "emitEntryPoint": true,
    "preserveCompilationContext": true
  },

  "runtimeOptions": {
    "configProperties": {
      "System.GC.Server": true
    }
  },

  "publishOptions": {
    "include": [
      "wwwroot",
      "Views",
      "Areas/**/Views",
      "appsettings.json",
      "web.config"
    ]
  },

  "scripts": {
    "prepublish": [ "bower install", "dotnet bundle" ],
    "postpublish": [ "dotnet publish-iis --publish-folder %publish:OutputPath% --framework %publish:FullTargetFramework%" ]
  }
}

Answer 1

您需要安装来自 https://www.microsoft.com/net/download/core 的 Current 版本