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https://issues.apache.org/jira/browse/LUCENENET-606?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shad Storhaug closed LUCENENET-606.
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Resolution: Won't Fix
I am closing this as a won't fix. It doesn't make sense for us to reduce
support for frameworks unless there is a valid reason for doing so. The top
packages on NuGet target {{net45}} in addition to .NET Standard so that is what
we are doing.
It sounds like you are trying to use the .NET Standard 1.6 target with .NET
Framework by installing the package manually. NuGet will always install
{{net45}} if you are targeting any higher version of .NET Framework, which is
the correct decision.
I wouldn't recommend anyone use the scaled back .NET Standard 1.6 target if
they are not on a platform that requires it. It doesn't perform as well during
testing and there are a few shortcuts that were taken due to missing APIs. If
you are on .NET Framework, then use the {{net45}} target for maximum
compatibility. The {{net45}} target has no dependencies.
It is unclear how you are producing the error message, since the {{net45}}
target doesn't depend on {{Microsoft.Extensions.DependencyModel}}, but if you
are seeing that it sounds like there could be a bug in your NuGet client.
> Up .Net Framework from 4.5 to 4.5.1 to support Dependency Requirements?
> -----------------------------------------------------------------------
>
> Key: LUCENENET-606
> URL: https://issues.apache.org/jira/browse/LUCENENET-606
> Project: Lucene.Net
> Issue Type: Improvement
> Components: Lucene.Net Core
> Affects Versions: Lucene.Net 4.8.0
> Environment: Visual Studio 2019, Windows 10
> Reporter: Chris Moschini
> Priority: Minor
>
> Microsoft is gradually retiring support for .Net Framework 4.5, with
> foundational Nuget Packages supporting a minimum of 4.5.1. Advancing to this
> version shouldn't introduce any breaking changes for users of Lucene.Net, but
> it would allow Projects using Microsoft's foundational packages (like the
> below) stay up to date.
> Here's the error Lucene.Net presents with when trying to update today:
> Error NU1202 Package Microsoft.Extensions.DependencyModel 2.1.0 is not
> compatible with net45 (.NETFramework,Version=v4.5). Package
> Microsoft.Extensions.DependencyModel 2.1.0 supports:
> - net451 (.NETFramework,Version=v4.5.1)
> - netstandard1.3 (.NETStandard,Version=v1.3)
> - netstandard1.6 (.NETStandard,Version=v1.6) Lucene.NetÂ
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