Microsoft.AspNetCore.Hosting 的 System.BadImageFormatException [英] System.BadImageFormatException for Microsoft.AspNetCore.Hosting

问题描述

看来我以某种方式设法破坏了我机器的 .NET Core 安装.我无法运行任何基本的 ASP.NET Core 应用程序.而是出现以下错误:

It seems I've somehow managed to corrupt my machine's .NET Core installation. I am unable to run any basic ASP.NET Core application. Instead the following error occurs:

发生 System.BadImageFormatException

System.BadImageFormatException occurred

HResult=0x80131018

HResult=0x80131018

Message=无法加载文件或程序集Microsoft.AspNetCore.Hosting，版本=1.1.0.0，Culture=neutral，PublicKeyToken=adb9793829ddae60".该模块应包含程序集清单.

Message=Could not load file or assembly 'Microsoft.AspNetCore.Hosting, Version=1.1.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'. The module was expected to contain an assembly manifest.

Source=<无法评估异常源>

堆栈跟踪:在 CoreTest2017.Program.Main(String[] args) 在 C:CoreTest2017CoreTest2017Program.cs:line 23

StackTrace: at CoreTest2017.Program.Main(String[] args) in C:CoreTest2017CoreTest2017Program.cs:line 23

无论我运行哪个 .NET Core 版本，都会发生这种情况.我还没有尝试重新安装任何东西(我在这台工作机器上没有本地管理员权限......)所以我想先在这里检查一下是否有人遇到过这个问题，尤其是当它与 ASP.NET Core 相关时.

This occurs regardless of which .NET Core version I run. I haven't tried reinstalling anything yet (I don't have local admin rights on this work machine...) so I wanted to check here first to see if anyone has encountered this issue, especially as it relates to ASP.NET Core.

为清楚起见，这是 Web 应用程序的标准模板.Program.cs 的内容是:

For clarity, this is a standard template for a web application. The Program.cs contents are:

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Hosting;

namespace CoreTest2017
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var host = new WebHostBuilder()
                .UseKestrel()
                .UseContentRoot(Directory.GetCurrentDirectory())
                .UseIISIntegration()
                .UseStartup<Startup>()
                .UseApplicationInsights()
                .Build();

            host.Run();
        }
    }
}

这里是 .csproj 标记(这是一个空的 web 项目，它以同样的方式失败):

Here is the .csproj markup (this is for an empty web project, which fails the same way):

<Project Sdk="Microsoft.NET.Sdk.Web">

  <PropertyGroup>
    <TargetFramework>netcoreapp1.1</TargetFramework>
  </PropertyGroup>

  <ItemGroup>
    <Folder Include="wwwroot" />
  </ItemGroup>
  <ItemGroup>
    <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.0.0" />
    <PackageReference Include="Microsoft.AspNetCore" Version="1.1.0" />
  </ItemGroup>

</Project>

谁能指出我正确的方向?

Can anyone point me in the right direction?

推荐答案

该模块应包含程序集清单.

The module was expected to contain an assembly manifest.

当您混合使用 x86/x64 位时可能会发生这种情况.但由于有问题的程序集是 Microsoft.AspNetCore.Hosting，我怀疑问题在于您的 NuGet 缓存以某种方式损坏.尝试删除%USERPROFILE%.nugetpackagesMicrosoft.AspNetCore.Hosting"并重新运行恢复.

This can happen when you are mixing x86/x64 bits. But as the assembly in question is Microsoft.AspNetCore.Hosting, I suspect the problem is that your NuGet cache is corrupted somehow. Try deleting the "%USERPROFILE%.nugetpackagesMicrosoft.AspNetCore.Hosting" and rerunning restore.

如果您仍然遇到错误，您可能需要调试主机以确定它正在尝试加载哪个程序集.将环境变量 COREHOST_TRACE 设置为 1 并运行您的应用程序.这将生成有关您的应用程序尝试加载哪些程序集的详细信息.

If you still encounter the error, you may need to debug the host to figure out which assembly it is trying to load. Set the environment variable COREHOST_TRACE to 1 and run your app. This will produce detailed info on which assemblies your app is trying to load.

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