在ASP.NET MVC CORE中运行应用程序时出错 [英] Errors when running apps in ASP.NET MVC CORE

问题描述

大家好，



我最近设置了Visual Studio 2017，但是当我尝试启动ASP.NET MVC CORE项目时出现运行时错误：



发生System.MissingMethodException

HResult = 0x80131513

消息=未找到方法：'System.IServiceProvider Microsoft.Extensions.DependencyInjection.ServiceCollectionContainerBuilderExtensions.BuildServiceProvider（Microsoft.Extensions.DependencyInjection.IServiceCollection）'。

Source =<无法评估异常源>

StackTrace：

at Microsoft.AspNetCore.Hosting.WebHostBuilder.Build（）

at WebApplication4.Program.Main（String [] args）in C：\ Users \qqq \ document \ visual studio 2017 \Projects\WebApplication4 \WebApplication4 \ Programr.c：第14行



当我尝试运行另一个ASP时.NET MVC CORE Project出现此错误消息：



无法启动进程C：\Program Files\dotnet\dotnet.exe。 Web服务器请求失败，状态码为500，内部服务器错误。完整的响应已写入C：\Users\qqq \ AppData \ Local \Temp \ HttpFailure_04-02-08.html。

这些错误是因为IIS错误或配置中的某些内容？



这是我的project.csproj：

Hello guys,

I am recently set up Visual Studio 2017, but When i try to start ASP.NET MVC CORE Project that runtime error appears:

System.MissingMethodException occurred
HResult=0x80131513
Message=Method not found: 'System.IServiceProvider Microsoft.Extensions.DependencyInjection.ServiceCollectionContainerBuilderExtensions.BuildServiceProvider(Microsoft.Extensions.DependencyInjection.IServiceCollection)'.
Source=<Cannot evaluate the exception source>
StackTrace:
at Microsoft.AspNetCore.Hosting.WebHostBuilder.Build()
at WebApplication4.Program.Main(String[] args) in C:\Users\qqq\documents\visual studio 2017\Projects\WebApplication4\WebApplication4\Program.cs:line 14

and when i try to run another ASP.NET MVC CORE Project this error message appears:

Unable to start process C:\Program Files\dotnet\dotnet.exe. The web server request failed with status code 500, Internal Server Error. The full response has been written to C:\Users\qqq\AppData\Local\Temp\HttpFailure_04-02-08.html.
Are these errors because of IIS Error or something in configuration ?

that is my project.csproj:

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

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

  <PropertyGroup>
    <PackageTargetFallback>$(PackageTargetFallback);portable-net45+win8+wp8+wpa81;</PackageTargetFallback>
  </PropertyGroup>
  <ItemGroup>
    <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.0.0" />
    <PackageReference Include="Microsoft.AspNetCore" Version="1.1.1" />
    <PackageReference Include="Microsoft.AspNetCore.Mvc" Version="1.1.2" />
    <PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="1.1.1" />
    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="2.0.0-preview1-final" />
    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="2.0.0-preview1-final" />
    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="2.0.0-preview1-final" />
    <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="1.1.1" />
    <PackageReference Include="Microsoft.VisualStudio.Web.BrowserLink" Version="1.1.0" />
  </ItemGroup>
  <ItemGroup>
    <DotNetCliToolReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Tools" Version="1.0.0" />
  </ItemGroup>

</Project>

我尝试了什么：



我搜索但找不到任何...

What I have tried:

I searched but cannot find any...

推荐答案

（PackageTargetFallback） ; portable-net45 + win8 + wp8 + wpa81; < / PackageTargetFallback >
< / PropertyGroup >
< ItemGroup >
< PackageReference 包含 = Microsoft.ApplicationInsights.AspNetCore 版本 = 2.0.0 / >
< PackageReference 包含 = Microsoft.AspNetCore < span class =code-attribute>版本 = 1.1.1 / >
< PackageReference 包含 = Microsoft.AspNetCore.Mvc 版本 = 1.1.2 / >
< PackageReference 包含 = Microsoft.AspNetCore.StaticFiles 版本 = 1.1.1 / >
< PackageReference 包含 = Microsoft.EntityFrameworkCore 版本 = 2.0.0-preview1-final / >
< PackageReference 包含 = Microsoft。 EntityFrameworkCore.SqlServer 版本 = 2 .0.0-preview1-final / >
< PackageReference 包含 = Microsoft.EntityFrameworkCore。工具 版本 = 2.0.0-preview1-final / >
< PackageReference 包含 = Microsoft.Extensions.Logging.Debug 版本 = 1.1.1 / >
< PackageReference 包含 = Microsoft.VisualStudio .Web.BrowserLink 版本 = 1.1.0 / >
< / ItemGroup >
< ItemGroup >
< DotNetCliToolReference 包含 = Microsoft.VisualStudio.Web.CodeGeneration.Tools 版本 = 1.0.0 / >
< span class =code-keyword>< / ItemGroup >

< / Project >

(PackageTargetFallback);portable-net45+win8+wp8+wpa81;</PackageTargetFallback> </PropertyGroup> <ItemGroup> <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.0.0" /> <PackageReference Include="Microsoft.AspNetCore" Version="1.1.1" /> <PackageReference Include="Microsoft.AspNetCore.Mvc" Version="1.1.2" /> <PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="1.1.1" /> <PackageReference Include="Microsoft.EntityFrameworkCore" Version="2.0.0-preview1-final" /> <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="2.0.0-preview1-final" /> <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="2.0.0-preview1-final" /> <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="1.1.1" /> <PackageReference Include="Microsoft.VisualStudio.Web.BrowserLink" Version="1.1.0" /> </ItemGroup> <ItemGroup> <DotNetCliToolReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Tools" Version="1.0.0" /> </ItemGroup> </Project>

我尝试过：



我搜索但找不到任何...

What I have tried:

I searched but cannot find any...

这个错误通常是因为包的版本不兼容而发生的。

喜欢这个块：

This error usually happens because of incompatible versions of packages.
Like this block:

2.0.0-preview1-final" />
    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="2.0.0-preview1-final" />
    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="2.0.0-preview1-final" />

尝试将版本减少到1.1。*

这将解决您的问题..



由于某些软件包不兼容与其他的相比，它们太高或太低。

Try to reduce the versions to 1.1.*
And it will fix your problem..

Incompatible consistency because of some packages are either too high or too low compared to other ones.

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