缺少NuGet包

我研究了这个问题，但没有一个解决办法有效。我安装了Visual Studio Professional 2015，我正在使用TFS。我的NuGet版本是3.1.6。这个问题只发生在我的c# Web API/MVC项目中。

我得到以下错误:

这个项目引用了NuGet包(s)，这是缺失的电脑。使用NuGet包还原来下载它们。更多的信息，见http://go.microsoft.com/fwlink/?LinkID=322105。的丢失的文件是 . . \ \ Microsoft.Net.Compilers.1.0.0 \制造\ Microsoft.Net.Compilers.props包

I do not have .nuget folder in my solutions. I have a packages folder in the solution and when I delete it, it seems like NuGet does rebuild the dependencies but the project still has the above error. I tried removing the project from TFS and it didn't fix it. Along with the above error, all the references in the project have yellow warning signs and say they are missing. When I checked the NuGet Package Manager for the project, everything that is "missing" has a green tick next to it, including Microsoft.Net.Compilers. I tried adding a new Web API/MVC project and it faced a similar problem where most references such as Owin were "missing" with the yellow warning sign.

当前回答

我收到了这个令人沮丧的消息。最后对我有用的是删除/包内的所有文件和文件夹，让VS在下次构建时重新获取所有内容。

2015-08-31 02:22:12

其他回答

我今天也犯了同样的错误(丢失了完全相同的包裹)。我还创建了一个MVC + Web API项目。

发生这种情况是因为我将应用程序文件(包括.csproj)文件移动到另一个位置。我手动更新了.sln文件，但所有包依赖项现在(Visual Studio 2015)存储在.csproj文件中。

编辑.csproj文件并更正解决方案文件夹(其中包含packages文件夹)的相对路径，为我解决了这个问题。

2015-08-30 11:43:45

我知道这个问题很老了，但是我今天遇到了同样的情况，我想为最近发现这个问题的人提供我的2美分。我手动移动到解决方案中的一个子文件夹，然后使用Visual Studio 2017删除并读取到解决方案的一个ASP MVC项目给出了上述错误。移动“lib”和“packages”文件夹到同一子文件夹的根MVC项目修复了我的问题。

2018-12-13 03:43:45

这似乎有多种原因。

对于我来说，.csproj文件包含了对Microsoft.Bcl.Build.targets两个不同版本的引用:

<Import Project="..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" />
<Target Name="EnsureBclBuildImported" BeforeTargets="BeforeBuild" Condition="'$(BclBuildImported)' == ''">
    <Error Condition="!Exists('..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" Text="This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=317567." HelpKeyword="BCLBUILD2001" />
    <Error Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" Text="The build restored NuGet packages. Build the project again to include these packages in the build. For more information, see http://go.microsoft.com/fwlink/?LinkID=317568." HelpKeyword="BCLBUILD2002" />
</Target>


<Import Project="..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" />
<Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
    <PropertyGroup>
        <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
    </PropertyGroup>
    <Error Condition="!Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets'))" />
</Target>

我删除了旧的参考，它解决了这个问题。

2019-10-28 20:34:26

在我的案例中工作的解决方案- Visual Studio 2015 enterprise，项目.NET 4.6.1

升级至Update 3 安装Web开发工具

2017-01-24 15:37:58

我通过从.csproj文件中删除以下代码解决了这个问题

<Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
<PropertyGroup>
  <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
</PropertyGroup>
<Error Condition="!Exists('..\..\..\Assemblies\NuGet\SpecFlow.Plus.Excel.1.4.2\build\SpecFlow.Plus.Excel.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\Assemblies\NuGet\SpecFlow.Plus.Excel.1.4.2\build\SpecFlow.Plus.Excel.targets'))" />

2016-11-19 13:55:40

缺少NuGet包

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