VSO Build Pipeline's Nuget Restore Failed

Question

The Nuget Restore from VSO's build pipeline failed due to some nuget packages that are not compatible with netcoreapp2.1. However, when I looked through all the csproj files in the solution, none of the csproj files have these nuget packages. I might have installed these before but right now it's definitely not here.

Here's the csproj file that is mentioned in the error message.

 <ItemGroup>
    <PackageReference Include="Microsoft.AspNet.WebApi" Version="5.2.6" />
    <PackageReference Include="Microsoft.Extensions.Configuration" Version="2.2.0" />
    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="2.2.0" />
    <PackageReference Include="xunit" Version="2.4.1" />
    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
  </ItemGroup>

Here's the Nuget.Config file

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <packageRestore>
    <add key="enabled" value="True" />
    <add key="automatic" value="True" />
  </packageRestore>
  <packageSources>
    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
  </packageSources>
</configuration>

Please advise how to fix this issue.

EDIT=====================================================

After removing the nuget package from Microsoft.AspNet.WebApi, the NugetRestore passed, but Build solution failed. It shows a different error

[error]C:\Program Files\dotnet\sdk\2.2.104\Sdks\Microsoft.NET.Sdk\targets\Microsoft.PackageDependencyResolution.targets(208,5):

Error NETSDK1004: Assets file 'd:\agentwrok\18\s....\obj\project.assets.json' not found. Run a NuGet package restore to generate this file.

This is the configuration for Build Solution

Any advice on the next step?

You tagged aspnetcore but you are using standard version nuget.org/packages/Microsoft.AspNet.WebApi. why? — Vova Bilyachat
– Vova Bilyachat, Commented Mar 22, 2019 at 2:15

Palle Due · Accepted Answer · 2019-08-13 11:23:42Z

3

VSO Build Pipeline's Nuget Restore Failed

Just like Volodymyr commented, you should not use the package Microsoft.AspNet.WebApi for the .net core project. That is because this package is targeted at .NETFramework, not .NET Core/.NETStandard. It is not compatible with .NET Core.

When you check the package Microsoft.AspNet.WebApi on nuget.org, you will notice that this package has a dependency on Microsoft.AspNet.WebApi.WebHost, which only targets the .NET Framework:

And the sub-dependency Microsoft.AspNet.WebApi.Core of the package Microsoft.AspNet.WebApi.WebHost also only targets the .NET Framework:

So, the reason for this issue is that the package Microsoft.AspNet.WebApi and its dependencies are not compatible with .NET Core framework.

Hope this helps.

edited Aug 13, 2019 at 11:23

Palle Due

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answered Mar 22, 2019 at 7:33

Leo Liu

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4 Comments

superninja Over a year ago

I removed this nuget package but it is giving me a different error: Assets file: ..\..\obj\prohect.assets.json not found

Leo Liu Over a year ago

@WWpana, Check the solution here:stackoverflow.com/questions/51642172/…

Leo Liu Over a year ago

@WWpana, Just checking in to see if the information provided was helpful. Please let us know if you would like further assistance.

superninja Over a year ago

yes it worked. thanks. Will comment again if it fails again.

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[error]C:\Program Files\dotnet\sdk\2.2.104\Sdks\Microsoft.NET.Sdk\targets\Microsoft.PackageDependencyResolution.targets(208,5):

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