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I am trying to build an ASP.NET Core 2.0 application for .NET Framework 4.6.2 (not .NET Core) with TeamCity on Windows Server 2012R2.
The following components are installed in the server:
TeamCity uses nuget version 4.1 and the solution file to restore dependent packages (see full log below for details).
Error:
[22:57:51]
[22:57:51]Errors in C:\path\to\project\Server\Server.csproj
[22:57:51] Package Microsoft.AspNetCore 2.0.0 is not compatible with net462 (.NETFramework,Version=v4.6.2). Package Microsoft.AspNetCore 2.0.0 supports: netstandard2.0 (.NETStandard,Version=v2.0)
[22:57:51] Package Microsoft.AspNetCore.Mvc 2.0.0 is not compatible with net462 (.NETFramework,Version=v4.6.2). Package Microsoft.AspNetCore.Mvc 2.0.0 supports: netstandard2.0 (.NETStandard,Version=v2.0)
[22:57:51] One or more packages are incompatible with .NETFramework,Version=v4.6.2.
[22:57:51] Package Microsoft.AspNetCore 2.0.0 is not compatible with net462 (.NETFramework,Version=v4.6.2) / win7-x86. Package Microsoft.AspNetCore 2.0.0 supports: netstandard2.0 (.NETStandard,Version=v2.0)
[22:57:51] Package Microsoft.AspNetCore.Mvc 2.0.0 is not compatible with net462 (.NETFramework,Version=v4.6.2) / win7-x86. Package Microsoft.AspNetCore.Mvc 2.0.0 supports: netstandard2.0 (.NETStandard,Version=v2.0)
[22:57:51] One or more packages are incompatible with .NETFramework,Version=v4.6.2 (win7-x86).
[22:57:51]
[22:57:51]Errors in C:\path\to\project\Server\Server.csproj
[22:57:51] Package Microsoft.Extensions.FileProviders.Physical 2.0.0 is not compatible with netcoreapp2.0 (.NETCoreApp,Version=v2.0). Package Microsoft.Extensions.FileProviders.Physical 2.0.0 supports: netstandard2.0 (.NETStandard,Version=v2.0)
[22:57:51] Package Microsoft.VisualStudio.Web.CodeGeneration.Contracts 2.0.0 is not compatible with netcoreapp2.0 (.NETCoreApp,Version=v2.0). Package Microsoft.VisualStudio.Web.CodeGeneration.Contracts 2.0.0 supports: netstandard2.0 (.NETStandard,Version=v2.0)
[22:57:51] One or more packages are incompatible with .NETCoreApp,Version=v2.0.
[22:57:51]Process exited with code 1
Question:
I thought that .NET Framework 4.6.2 implements .NET Standard 2.0, therefore I don't understand why the packages are incompatible. On my local machine (with Visual Studio 2017 Update 3 (15.3)) nuget restore works fine.
Any ideas how to solve that error / how to further analyze the problem?
Project File (containing the nuget packages):
<Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup>
<TargetFramework>net462</TargetFramework>
</PropertyGroup>
<ItemGroup>
<Folder Include="wwwroot\" />
</ItemGroup>
<ItemGroup>
<PackageReference Include="Microsoft.AspNetCore" Version="2.0.0" />
<PackageReference Include="Microsoft.AspNetCore.Mvc" Version="2.0.0" />
<PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
</ItemGroup>
<ItemGroup>
<DotNetCliToolReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Tools" Version="2.0.0" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\Server.Common\Server.Common.csproj" />
</ItemGroup>
</Project>
Full Log Output
[Step 1/4] restore: Restoring NuGet packages for Server.sln (24s)
[22:57:27][restore] NuGet command: C:\path\to\buildagent\tools\NuGet.CommandLine.4.1.0\tools\NuGet.exe restore C:\path\to\project\Server.sln
[22:57:27][restore] Starting: C:\path\to\teamcity\temp\agentTmp\custom_script710236021428854.cmd
[22:57:27][restore] in directory: C:\path\to\project
[22:57:28][restore] MSBuild auto-detection: using msbuild version '15.3.409.57025' from 'C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\MSBuild\15.0\bin'.
[22:57:31][restore] Alle in "packages.config" aufgef�hrten Pakete sind bereits installiert.
[22:57:31][restore] Restoring packages for C:\path\to\project\Server\Server.csproj...
[22:57:31][restore] Restoring packages for C:\path\to\project\Server\Server.csproj...
[22:57:32][restore] GET https://api.nuget.org/v3-flatcontainer/microsoft.visualstudio.web.codegeneration.tools/index.json
[22:57:32][restore] GET https://api.nuget.org/v3-flatcontainer/microsoft.aspnetcore.mvc/index.json
[22:57:32][restore] GET https://api.nuget.org/v3-flatcontainer/microsoft.aspnetcore/index.json
[...]
[22:57:41][restore] OK https://api.nuget.org/v3-flatcontainer/microsoft.netcore.dotnetapphost/index.json 475ms
[22:57:41][restore] GET https://api.nuget.org/v3-flatcontainer/microsoft.netcore.dotnetapphost/2.0.0/microsoft.netcore.dotnetapphost.2.0.0.nupkg
[22:57:41][restore] OK https://api.nuget.org/v3-flatcontainer/microsoft.netcore.dotnetapphost/2.0.0/microsoft.netcore.dotnetapphost.2.0.0.nupkg 453ms
[22:57:42][restore] Installing System.Xml.XmlSerializer 4.0.11.
[22:57:42][restore] Installing System.Threading.Overlapped 4.0.1.
[22:57:42][restore] Installing System.Security.Principal 4.0.1.
[22:57:42][restore] Installing System.Dynamic.Runtime 4.0.11.
[22:57:42][restore] Installing System.Private.DataContractSerialization 4.1.1.
[22:57:42][restore] Installing Microsoft.Win32.Registry 4.0.0.
[...]
[22:57:48][restore] Installing System.Diagnostics.Contracts 4.0.1.
[22:57:48][restore] Installing System.Threading.Tasks.Dataflow 4.6.0.
[22:57:48][restore] Installing System.IO.Pipes 4.0.0.
[22:57:51][restore] Package Microsoft.Extensions.FileProviders.Physical 2.0.0 is not compatible with netcoreapp2.0 (.NETCoreApp,Version=v2.0). Package Microsoft.Extensions.FileProviders.Physical 2.0.0 supports: netstandard2.0 (.NETStandard,Version=v2.0)
[22:57:51][restore] Package Microsoft.VisualStudio.Web.CodeGeneration.Contracts 2.0.0 is not compatible with netcoreapp2.0 (.NETCoreApp,Version=v2.0). Package Microsoft.VisualStudio.Web.CodeGeneration.Contracts 2.0.0 supports: netstandard2.0 (.NETStandard,Version=v2.0)
[22:57:51][restore] One or more packages are incompatible with .NETCoreApp,Version=v2.0.
[22:57:51][restore] Committing restore...
[22:57:51][restore] Restore failed in 19,33 sec for C:\path\to\project\Server\Server.csproj.
[22:57:51][restore]
[22:57:51][restore] Errors in C:\path\to\project\Server\Server.csproj
[22:57:51][restore] Package Microsoft.AspNetCore 2.0.0 is not compatible with net462 (.NETFramework,Version=v4.6.2). Package Microsoft.AspNetCore 2.0.0 supports: netstandard2.0 (.NETStandard,Version=v2.0)
[22:57:51][restore] Package Microsoft.AspNetCore.Mvc 2.0.0 is not compatible with net462 (.NETFramework,Version=v4.6.2). Package Microsoft.AspNetCore.Mvc 2.0.0 supports: netstandard2.0 (.NETStandard,Version=v2.0)
[22:57:51][restore] One or more packages are incompatible with .NETFramework,Version=v4.6.2.
[22:57:51][restore] Package Microsoft.AspNetCore 2.0.0 is not compatible with net462 (.NETFramework,Version=v4.6.2) / win7-x86. Package Microsoft.AspNetCore 2.0.0 supports: netstandard2.0 (.NETStandard,Version=v2.0)
[22:57:51][restore] Package Microsoft.AspNetCore.Mvc 2.0.0 is not compatible with net462 (.NETFramework,Version=v4.6.2) / win7-x86. Package Microsoft.AspNetCore.Mvc 2.0.0 supports: netstandard2.0 (.NETStandard,Version=v2.0)
[22:57:51][restore]
[22:57:51][restore] One or more packages are incompatible with .NETFramework,Version=v4.6.2 (win7-x86).
[22:57:51][restore] NuGet Config files used:
[22:57:51][restore]
[22:57:51][restore] C:\Windows\system32\config\systemprofile\AppData\Roaming\NuGet\NuGet.Config
[22:57:51][restore] Errors in C:\path\to\project\Server\Server.csproj
[22:57:51][restore]
[22:57:51][restore] Package Microsoft.Extensions.FileProviders.Physical 2.0.0 is not compatible with netcoreapp2.0 (.NETCoreApp,Version=v2.0). Package Microsoft.Extensions.FileProviders.Physical 2.0.0 supports: netstandard2.0 (.NETStandard,Version=v2.0)
[22:57:51][restore] Feeds used:
[22:57:51][restore] https://api.nuget.org/v3/index.json
[22:57:51][restore] Package Microsoft.VisualStudio.Web.CodeGeneration.Contracts 2.0.0 is not compatible with netcoreapp2.0 (.NETCoreApp,Version=v2.0). Package Microsoft.VisualStudio.Web.CodeGeneration.Contracts 2.0.0 supports: netstandard2.0 (.NETStandard,Version=v2.0)
[22:57:51][restore] One or more packages are incompatible with .NETCoreApp,Version=v2.0.
[22:57:51][restore]
[22:57:51][restore] Installed:
[22:57:51][restore] 151 package(s) to C:\path\to\project\Server\Server.csproj
[22:57:51][restore] Process exited with code 1
[22:57:51][restore] Process exited with code 1
[22:57:51][Step 1/4] Step Nuget Restore (NuGet Installer) failed
402
Restore packages manually using Visual StudioEnable package restore by choosing Tools > Options > NuGet Package Manager. Under Package Restore options, select Allow NuGet to download missing packages. In Solution Explorer, right click the solution and select Restore NuGet Packages.
The dotnet restore command uses NuGet to restore dependencies as well as project-specific tools that are specified in the project file. In most cases, you don't need to explicitly use the dotnet restore command, since a NuGet restore is run implicitly if necessary when you run the following commands: dotnet new.
nuget restore will ensure all of your NuGet dependencies are downloaded and available to your project. Whereas dotnet restore is a complete restoration of all NuGet dependencies as well as references and project specific tools. Meaning that if you run nuget restore , you are only restoring NuGet packages.
NuGet Package Restore restores all of a project's dependencies that are listed in either a project file or a packages. config file. You can restore packages manually with nuget restore , dotnet restore , msbuild -t:restore , or through Visual Studio.
Using Nuget Version 4.3 fixed it :).
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