Visual Studio 2017 v15.5 Aspnet Core 2.0.3无法在IISExpress上调试 [英] Visual Studio 2017 v15.5 Aspnet Core 2.0.3 fails to debug on IISExpress

问题描述

最近我将Visual Studio 2017安装从15.4.5更新到了15.5之后，我失去了在aspnet core 2.0应用程序中达到断点的能力.该配置可以在任何CPU调试中进行.

After I recently updated my visual studio 2017 installation from 15.4.5 to 15.5 I have lost the ability to hit breakpoints in my aspnet core 2.0 applications. The configuration is in debug any cpu.

虽然这在kestrel(作为consoile应用程序进行调试)上工作正常，但在IISExpress上却没有达到我的断点.

While this works fine on kestrel (Debugging as a consoile app), on IISExpress it does not hit my breakpoints.

在这里，奇怪的是，似乎在运行时加载了调试符号(断点已正确突出显示)，并且没有警告.

As a sidenote the weird thing here is it seems to have the debug symbols loaded on runtime (the breakpoint is correctly highlighted) and no warning.

环境:

Runtime Environment:
 OS Name:     Windows
 OS Version:  10.0.16299
 OS Platform: Windows
 RID:         win10-x64
 Base Path:   C:\Program Files\dotnet\sdk\2.1.2\

Microsoft .NET Core Shared Framework Host

  Version  : 2.0.3
  Build    : a9190d4a75f4a982ae4b4fa8d1a24526566c69df

Microsoft Visual Studio Enterprise 2017

  Version  : 15.5.0

我已经尝试修复Visual Studio，但问题仍然存在

I have already tried to repair visual studio but the problem persists

推荐答案

在我更新到15.5之后仔细检查了我的最后一次提交之后，我注意到我对位于项目Properties下的launchSettings.json文件进行了无意更改.文件夹.添加了新的use64bit设置，并由vs设置为true.

After careful inspection of my last commit after I updated to 15.5 I noticed that I had an unintentional change to my launchSettings.json file located under my project Properties folder. There was a new use64bit setting added and was set by vs to true.

我必须将其设置为false ，以便visualstudio在iisexpress上进行调试.以下是launchSettings.json

I had to set it to false in order for visualstudio to work with debugging on iisexpress. Below is my current state of the IIS Express profile in launchSettings.json

{
  "iisSettings": {
    "windowsAuthentication": false,
    "anonymousAuthentication": true,
    "iisExpress": {
      "applicationUrl": "http://localhost:20202",
      "sslPort": 0
    }
  },
  "profiles": {
    "IIS Express": {
      "commandName": "IISExpress",
      "launchBrowser": true,
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      },
      "use64Bit": false
    }
}

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