Nuget恢复在Azure Devops上失败，并显示消息“无法加载源的服务索引". [英] Nuget restore fails on Azure Devops with message "unable to load the service index for source"

问题描述

我有一个运行在私有代理中的.NET解决方案的构建.该解决方案包含.NET Core 2.1和.NET Standard 2.0项目.

已安装的一些nuget软件包如下:

• NETStandard.Library v2.0.3
• Microsoft.AspNetCore.Mvc v2.0.0
• Microsoft.NETCore.App v2.1.5

尝试还原带有以下错误的nuget软件包时，构建失败:

"F:\ Agent01 \ w \ 141 \ s \ xxxxxxx.sln"(还原目标)(1)->(还原目标)->C:\ Program Files \ dotnet \ sdk \ 2.1.500 \ NuGet.targets(114,5):错误:无法为源

这是构建代理中％appdata％\ NuGet \ nuget.config 文件的内容:

 <?xml version ="1.0" encoding ="utf-8"?><配置>< packageSources><添加key ="nuget.org" value ="https://api.nuget.org/v3/index.json"/><添加key ="MyFeed" value ="https://xxxxxxxxxx.pkgs.visualstudio.com/_packaging/xxxxxxxxxx/nuget/v3/index.json"/></packageSources>< packageSourceCredentials>< MyFeed>< add key ="Username" value ="LocalBuildAgent"/><添加key ="ClearTextPassword" value ="xxxxxxxxxxx"/></MyFeed></packageSourceCredentials></configuration> 

我已经检查了一些类似的问题，但到目前为止，我仍无法找到解决问题的方法.

一些注意事项:

• 个人访问令牌未过期
• 此特定版本在其他构建代理中成功运行
• 至少有1个带有" nuget restore "任务的构建已使用此代理成功运行(常规的 nuget restore 任务，不是.NET Core)
• 尝试重新启动构建代理，但未成功
• 在还原前尝试

  更新2:

  我能够使用.NET Core任务v1还原软件包:

  恢复软件包

  或使用带有参数-force 的v2任务:

  恢复软件包

  解决方案

  我找到了解决方案-将以下程序包源添加到％appdata％\ NuGet \ nuget.config :

   <添加密钥="Microsoft Visual Studio脱机包" value ="C:\ Program Files(x86)\ Microsoft SDKs \ NuGetPackages \"/> 

  完整文件如下:

   <?xml version ="1.0" encoding ="utf-8"?><配置>< packageSources><添加key ="Microsoft Visual Studio脱机包" value ="C:\ Program Files(x86)\ Microsoft SDKs \ NuGetPackages \"/><添加key ="nuget.org" value ="https://api.nuget.org/v3/index.json"/><添加key ="MyFeed" value ="https://xxxxxxxxxx.pkgs.visualstudio.com/_packaging/xxxxxxxxxx/nuget/v3/index.json"/></packageSources>< packageSourceCredentials>< MyFeed>< add key ="Username" value ="LocalBuildAgent"/><添加key ="ClearTextPassword" value ="xxxxxxxxxxx"/></MyFeed></packageSourceCredentials></configuration> 

  也请检查 .NET SDK 500中的回归:"dotnet工具安装"失败并显示为401(未经授权)在NuGet.config#7524 中有私有供稿.此问题似乎是由.NET SDK 2.1.500引起的.

  另一种解决方法是卸载该版本:

  .NET Core SDK 2.1.400中不存在此问题，例如它消失了卸载.NET Core SDK 2.1.500时，并在出现SDK时重新出现再次安装2.1.500.

  I have a build for a .NET solution that is running in a private agent. The solution contains both .NET Core 2.1 and .NET Standard 2.0 projects.

  Some of the nuget packages installed are the following:

  • NETStandard.Library v2.0.3
  • Microsoft.AspNetCore.Mvc v2.0.0
  • Microsoft.NETCore.App v2.1.5

  The build fails when trying to restore the nuget packages with the following error:

  "F:\Agent01\w\141\s\xxxxxxx.sln" (Restore target) (1) -> (Restore target) -> C:\Program Files\dotnet\sdk\2.1.500\NuGet.targets(114,5): error : Unable to load the service index for source https://xxxxxxxxxx.pkgs.visualstudio.com/_packaging/xxxxxxxxxx/nuget/v3/index.json. C:\Program Files\dotnet\sdk\2.1.500\NuGet.targets(114,5): error : Response status code does not indicate success: 401 (Unauthorized).

  Build task is the following:

  This is the content of %appdata%\NuGet\nuget.config file in the build agent:

  <?xml version="1.0" encoding="utf-8"?>
  <configuration>
    <packageSources>
      <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
      <add key="MyFeed" value="https://xxxxxxxxxx.pkgs.visualstudio.com/_packaging/xxxxxxxxxx/nuget/v3/index.json" />
    </packageSources>
    <packageSourceCredentials>
      <MyFeed>
        <add key="Username" value="LocalBuildAgent" />
        <add key="ClearTextPassword" value="xxxxxxxxxxx" />
      </MyFeed>
    </packageSourceCredentials>
  </configuration>
  

  I already checked a few similar questions but so far I wasn't able to find a solution for my problem.

  Some notes:

  • Personal Access Token is NOT expired
  • This particular build runs successfully in other build agents
  • There is at least 1 build with a "nuget restore" task that was run successfully using this agent (regular nuget restore task, NOT .NET Core)
  • Tried restarting the build agent, without success
  • Tried specifying a specific version of nuget before the restore, without success
  • .NET Core SDK latest version in the build agent is 2.1.500 (multiple versions installed)

  What am I missing? How to fix this issue? Why can't I restore the packages using the dotnet restore command?

  UPDATE:

  Packages are restored without errors when using the old Nuget Restore task as follows:

  UPDATE 2:

  I am able to restore the packages using the .NET Core task v1:

  Or using v2 task with argument --force:

  解决方案

  I found a solution - add the following package source to %appdata%\NuGet\nuget.config:

  <add key="Microsoft Visual Studio Offline Packages" value="C:\Program Files (x86)\Microsoft SDKs\NuGetPackages\" />
  

  Complete file looks like this:

  <?xml version="1.0" encoding="utf-8"?>
  <configuration>
    <packageSources>
      <add key="Microsoft Visual Studio Offline Packages" value="C:\Program Files (x86)\Microsoft SDKs\NuGetPackages\" />
      <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
      <add key="MyFeed" value="https://xxxxxxxxxx.pkgs.visualstudio.com/_packaging/xxxxxxxxxx/nuget/v3/index.json" />
    </packageSources>
    <packageSourceCredentials>
      <MyFeed>
        <add key="Username" value="LocalBuildAgent" />
        <add key="ClearTextPassword" value="xxxxxxxxxxx" />
      </MyFeed>
    </packageSourceCredentials>
  </configuration>
  

  Also, check Regression in .NET SDK 500: 'dotnet tool install' fails with 401 (Unauthorized) when there is a private feed in NuGet.config #7524. This problem seems to be caused by .NET SDK 2.1.500.

  Another workaround would be to uninstall that version:

  The issue is not present in .NET Core SDK 2.1.400, e.g. it goes away when .NET Core SDK 2.1.500 is uninstalled, and reappears when SDK 2.1.500 is installed again.

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