找不到框架'Microsoft.AspNetCore.App'版本'3.1.3' [英] The framework 'Microsoft.AspNetCore.App', version '3.1.3' was not found

问题描述

在另一台开发人员机器上将我的Web应用程序的targetFramework从 dotnet-core-2.2 升级到 dotnet-core-3.1.2 后，我们遇到以下错误

 找不到任何兼容的框架版本找不到框架"Microsoft.AspNetCore.App"版本"3.1.3".-未找到框架.您可以通过安装指定的框架和/或SDK来解决该问题.可以在以下位置找到指定的框架:-https://aka.ms/dotnet-core-applaunch?framework=Microsoft.AspNetCore.App&framework_version=3.1.3&arch=x64&rid=win10-x64 

我们尝试了几种解决问题的方法

• 错误地从指定的链接下载并安装了dotnet核心
• 从链接 https://dotnet.microsoft.com/download/dotnet下载的运行时-core/3.1
• 卸载了除3.1.2或3.1.3之外的其他dotnet核心框架版本

我们仍然面临相同的问题，请指导我解决此问题.

解决方案

我在github dotnet问题页面，用户vitek karas向我提供了x64运行时 C:\ ProgramFiles \ dotnet \ shared \ Microsoft.AspNetCore.App \ 3.1.3 文件夹丢失的线索./p>

然后我尝试重新安装https://dotnet.microsoft.com/download/dotnet-core/3.1

Uninstalled the other dotnet core framework version other than 3.1.2 or 3.1.3

still we are facing the same issue, please guide me to troubleshoot this issue.

解决方案

I have posted same question on github dotnet issues page, the user vitek karas provided me the lead that x64 runtime C:\ProgramFiles\dotnet\shared\Microsoft.AspNetCore.App\3.1.3 folder was missing.

Then I tried reinstalling SDK 3.1.201 still folder was missing.

I also tried install aspnetcore-runtime-3.1.3 X64 still folder was missing.

finally I have downloaded dotnet-sdk-3.1.201-win-x64.zip and copied Microsoft.AspNetCore.App\3.1.3 folder manually from the zip file to C:\ProgramFiles\dotnet\shared\Microsoft.AspNetCore.App\3.1.3 then my asp.net core application started working .

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