我正在尝试为新的 .NET 6.0 项目(从 ASP.NET Core MVC 模板创建)搭建身份页面。当我运行以下命令时,我收到错误“路径为空”(我还包括构建命令输出以显示项目构建成功)。
> dotnet build
Microsoft (R) Build Engine version 17.0.0+c9eb9dd64 for .NET
Copyright (C) Microsoft Corporation. All rights reserved.
Determining projects to restore...
All projects are up-to-date for restore.
ExampleProject -> C:\...\bin\Debug\net6.0\ExampleProject.dll
Build succeeded.
0 Warning(s)
0 Error(s)
Time Elapsed 00:00:01.52
> dotnet aspnet-codegenerator identity -lf
[Trace]: Command Line: identity -lf
Building project ...
[Trace]: Command Line: --no-dispatch --port-number 64193 identity -lf --dispatcher-version 6.0.0+cc9d1f5236d926269a0471042f72bf83b498509c
Scaffolding failed.
The path is empty. (Parameter 'path')
[Trace]: at System.IO.Path.GetFullPath(String path)
at System.IO.Enumeration.FileSystemEnumerator`1..ctor(String directory, Boolean isNormalized, EnumerationOptions options)
at System.IO.Enumeration.FileSystemEnumerable`1..ctor(String directory, FindTransform transform, EnumerationOptions options, Boolean isNormalized)
at System.IO.Enumeration.FileSystemEnumerableFactory.UserFiles(String directory, String expression, EnumerationOptions options)
at System.IO.Directory.InternalEnumeratePaths(String path, String searchPattern, SearchTarget searchTarget, EnumerationOptions options)
at Microsoft.VisualStudio.Web.CodeGeneration.Msbuild.ProjectContextWriter.GetScaffoldingAssemblies(IEnumerable`1 dependencies)
at Microsoft.DotNet.Scaffolding.Shared.ProjectModel.ProjectContextExtensions.AddPackageDependencies(IProjectContext projectInformation, String projectAssetsFile)
at Microsoft.VisualStudio.Web.CodeGeneration.Design.Program.<>c__DisplayClass4_0.<<Execute>b__0>d.MoveNext()
RunTime 00:00:02.43
当尝试通过 Visual Studio 2022 中的添加 -> 视图上下文菜单构建新的 Razor 视图(例如创建)时,也会出现此错误“路径为空”(没有堆栈跟踪)。
这是配置问题,还是代码生成器中的错误?
编辑(2021-11-29):从头开始重现此错误后,似乎是在将Microsoft.AspNetCore.Identity
Nuget 包添加到项目后发生,如下所示。
复制步骤:
使用面向 .NET 6.0 的模板“ASP.NET Core Web 应用程序(模型-视图-控制器)”并将身份验证类型设置为个人帐户,在 Visual Studio 2022 中创建一个新项目。
添加以下 Nuget 包:
- Microsoft.VisualStudio.Web.CodeGeneration.Design(支持脚手架)
保存所有文件 (Ctrl + Shift + S) 并重建解决方案。
此时,打开 cmd 到项目文件的目录并运行“dotnet aspnet-codegenerator identity -lf”以确保成功显示脚手架的可用身份视图列表。
添加以下 Nuget 包:
- Microsoft.AspNetCore.Identity
保存所有文件 (Ctrl + Shift + S) 并重建解决方案。
尝试重新运行命令“dotnet aspnet-codegenerator identity -lf”,应该会出现以下错误:
[Trace]: Command Line: identity -lf Building project ... [Trace]: Command Line: --no-dispatch --port-number 57313 identity -lf --dispatcher-version 6.0.0+cc9d1f5236d926269a0471042f72bf83b498509c Scaffolding failed. The path is empty. (Parameter 'path') [Trace]: at System.IO.Path.GetFullPath(String path) at System.IO.Enumeration.FileSystemEnumerator`1..ctor(String directory, Boolean isNormalized, EnumerationOptions options) at System.IO.Enumeration.FileSystemEnumerable`1..ctor(String directory, FindTransform transform, EnumerationOptions options, Boolean isNormalized) at System.IO.Enumeration.FileSystemEnumerableFactory.UserFiles(String directory, String expression, EnumerationOptions options) at System.IO.Directory.InternalEnumeratePaths(String path, String searchPattern, SearchTarget searchTarget, EnumerationOptions options) at Microsoft.VisualStudio.Web.CodeGeneration.Msbuild.ProjectContextWriter.GetScaffoldingAssemblies(IEnumerable`1 dependencies) at Microsoft.DotNet.Scaffolding.Shared.ProjectModel.ProjectContextExtensions.AddPackageDependencies(IProjectContext projectInformation, String projectAssetsFile) at Microsoft.VisualStudio.Web.CodeGeneration.Design.Program.<>c__DisplayClass4_0.<<Execute>b__0>d.MoveNext() RunTime 00:00:03.53