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.NET Core - reference assemblies for the framework "DNXCore, Version = v5.0" not found

I get this error when porting .NET core lib (DNXCore50) from VS 2015 to VS 2017.

Reference assemblies for the DNXCore framework , Version = v5.0 "not found.

Currently, my project file looks like this: (after the VS 2017 migration wizard transferred my "project.json" to the .csproj file)

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

  <PropertyGroup>
    <Description>An FTP and FTPS library for .NET, optimized for speed. Provides extensive FTP commands, file uploads/downloads, SSL/TLS connections and FTP proxies.</Description>
    <VersionPrefix>16.3.0</VersionPrefix>
    <Authors>J.P. Trosclair;Harsh Gupta</Authors>
    <TargetFrameworks>netstandard1.6;dnxcore50</TargetFrameworks>
    <DefineConstants>$(DefineConstants);CORE</DefineConstants>
    <RootNamespace>FluentFTP</RootNamespace>
    <AssemblyName>FluentFTP</AssemblyName>
    <OutputType>Library</OutputType>
    <PackageId>FluentFTP</PackageId>
    <NetStandardImplicitPackageVersion>1.6.0</NetStandardImplicitPackageVersion>
    <TargetFrameworkIdentifier>DNXCore</TargetFrameworkIdentifier>
    <TargetFrameworkVersion>v5.0</TargetFrameworkVersion>
    <GenerateAssemblyTitleAttribute>false</GenerateAssemblyTitleAttribute>
    <GenerateAssemblyDescriptionAttribute>false</GenerateAssemblyDescriptionAttribute>
    <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
    <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
    <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
    <GenerateAssemblyCopyrightAttribute>false</GenerateAssemblyCopyrightAttribute>
    <GenerateAssemblyVersionAttribute>false</GenerateAssemblyVersionAttribute>
    <GenerateNeutralResourcesLanguageAttribute>false</GenerateNeutralResourcesLanguageAttribute>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="System.IO" Version="4.3.0.0" />
    <PackageReference Include="System.Net.NameResolution" Version="4.3.0.0" />
    <PackageReference Include="System.Net.Sockets" Version="4.3.0.0" />
    <PackageReference Include="System.Net.Security" Version="4.3.0.0" />
  </ItemGroup>

</Project>

I get the above compilation error. Things I tried:

  • Use .NETPortable v5.0 instead . There are too many missing classes.
  • Use .NETCoreApp v1.0 instead . Each class is missing. Did I use the wrong version?
  • DNXCore. . VS.

DNXCore 5.0? API, TlsStream Uri, . ? , , VS 2015 . , VS 2017, ! .NET Core .NET Portable.

0
2

, !

lib .NETStandard v1.6!

XML , - :

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

  <PropertyGroup>
    <Description>An FTP and FTPS library for .NET, optimized for speed. Provides extensive FTP commands, file uploads/downloads, SSL/TLS connections and FTP proxies.</Description>
    <VersionPrefix>16.3.0</VersionPrefix>
    <Authors>J.P. Trosclair;Harsh Gupta</Authors>
    <TargetFrameworks>netstandard1.6;dnxcore50</TargetFrameworks>
    <DefineConstants>$(DefineConstants);CORE</DefineConstants>
    <RootNamespace>FluentFTP</RootNamespace>
    <AssemblyName>FluentFTP</AssemblyName>
    <OutputType>Library</OutputType>
    <PackageId>FluentFTP</PackageId>
    <NetStandardImplicitPackageVersion>1.6.0</NetStandardImplicitPackageVersion>
    <TargetFrameworkIdentifier>.NETStandard</TargetFrameworkIdentifier>
    <TargetFrameworkVersion>v1.6</TargetFrameworkVersion>
    <GenerateAssemblyTitleAttribute>false</GenerateAssemblyTitleAttribute>
    <GenerateAssemblyDescriptionAttribute>false</GenerateAssemblyDescriptionAttribute>
    <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
    <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
    <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
    <GenerateAssemblyCopyrightAttribute>false</GenerateAssemblyCopyrightAttribute>
    <GenerateAssemblyVersionAttribute>false</GenerateAssemblyVersionAttribute>
    <GenerateNeutralResourcesLanguageAttribute>false</GenerateNeutralResourcesLanguageAttribute>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="System.IO" Version="4.3.0.0" />
    <PackageReference Include="System.Net.NameResolution" Version="4.3.0.0" />
    <PackageReference Include="System.Net.Sockets" Version="4.3.0.0" />
    <PackageReference Include="System.Net.Security" Version="4.3.0.0" />
  </ItemGroup>

</Project>
0

dnxcore50 TargetFramework. 1.1.0 netstandard, .

.NET . . .

TFM. netstandard1.6 .NET Core .

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

  <PropertyGroup>
    <Description>An FTP and FTPS library for .NET, optimized for speed. Provides extensive FTP commands, file uploads/downloads, SSL/TLS connections and FTP proxies.</Description>
    <VersionPrefix>16.3.0</VersionPrefix>
    <Authors>J.P. Trosclair;Harsh Gupta</Authors>
    <TargetFramework>netstandard1.6</TargetFramework>
    <DefineConstants>$(DefineConstants);CORE</DefineConstants>
    <RootNamespace>FluentFTP</RootNamespace>
    <AssemblyName>FluentFTP</AssemblyName>
    <OutputType>Library</OutputType>
    <PackageId>FluentFTP</PackageId>
    <NetStandardImplicitPackageVersion>1.6.0</NetStandardImplicitPackageVersion>
    <GenerateAssemblyTitleAttribute>false</GenerateAssemblyTitleAttribute>
    <GenerateAssemblyDescriptionAttribute>false</GenerateAssemblyDescriptionAttribute>
    <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
    <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
    <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
    <GenerateAssemblyCopyrightAttribute>false</GenerateAssemblyCopyrightAttribute>
    <GenerateAssemblyVersionAttribute>false</GenerateAssemblyVersionAttribute>
    <GenerateNeutralResourcesLanguageAttribute>false</GenerateNeutralResourcesLanguageAttribute>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="System.IO" Version="4.3.0.0" />
    <PackageReference Include="System.Net.NameResolution" Version="4.3.0.0" />
    <PackageReference Include="System.Net.Sockets" Version="4.3.0.0" />
    <PackageReference Include="System.Net.Security" Version="4.3.0.0" />
  </ItemGroup>

</Project>

TargetFrameworkIdentifier TargetFrameworkVersion, TargetFramework.

+1

Source: https://habr.com/ru/post/1670813/

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