Build issue

[adminayushmandal]

Describe the bug
NSwag command line tool for .NET Core Net90, toolchain v14.2.0.0 (NJsonSchema v11.1.0.0 (Newtonsoft.Json v13.0.0.0));Visit http://NSwag.org for more information.;NSwag bin directory: C:\Users\Ayush.nuget\packages\nswag.msbuild\14.2.0\tools\Net90;Executing file 'config.nswag' with variables 'Configuration=Debug'...;D:\Web Projects\leaseloop\src\Web\Web.csproj : error MSB4057: The target "__GetNSwagProjectMetadata" does not exist in the project.;System.InvalidOperationException: Unable to retrieve project metadata. Ensure it's an MSBuild-based .NET Core project.If you're using custom BaseIntermediateOutputPath or MSBuildProjectExtensionsPath values, Use the --msbuildprojectextensionspath option.; at NSwag.Commands.Generation.AspNetCore.ProjectMetadata.ReadUsingMsBuildTargets(List`1 args, String file, String buildExtensionsDir, IConsoleHost console) in //src/NSwag.Commands/Commands/Generation/AspNetCore/ProjectMetadata.cs:line 160; at NSwag.Commands.Generation.AspNetCore.ProjectMetadata.GetProjectMetadata(String file, String buildExtensionsDir, String framework, String configuration, String runtime, Boolean noBuild, String outputPath, IConsoleHost console) in //src/NSwag.Commands/Commands/Generation/AspNetCore/ProjectMetadata.cs:line 92; at NSwag.Commands.Generation.AspNetCore.AspNetCoreToOpenApiCommand.RunAsync(CommandLineProcessor processor, IConsoleHost host) in //src/NSwag.Commands/Commands/Generation/AspNetCore/AspNetCoreToOpenApiCommand.cs:line 70; at NSwag.Commands.NSwagDocumentBase.GenerateSwaggerDocumentAsync() in //src/NSwag.Commands/NSwagDocumentBase.cs:line 270; at NSwag.Commands.NSwagDocument.ExecuteAsync() in //src/NSwag.Commands/NSwagDocument.cs:line 67; at NSwag.Commands.Document.ExecuteDocumentCommand.ExecuteDocumentAsync(IConsoleHost host, String filePath) in //src/NSwag.Commands/Commands/Document/ExecuteDocumentCommand.cs:line 76; at NSwag.Commands.Document.ExecuteDocumentCommand.RunAsync(CommandLineProcessor processor, IConsoleHost host) in //src/NSwag.Commands/Commands/Document/ExecuteDocumentCommand.cs:line 33; at NConsole.CommandLineProcessor.ProcessSingleAsync(String[] args, Object input); at NConsole.CommandLineProcessor.ProcessAsync(String[] args, Object input); at NSwag.Commands.NSwagCommandProcessor.ProcessAsync(String[] args) in //src/NSwag.Commands/NSwagCommandProcessor.cs:line 65

Expected behavior
When I build this updated template, and creating new project, then I'm getting this error, in previous version of this template 9.0.11, it was working fine and when I upgrade this to 9.0.12, it causing this error.

[RDB-DA]

@adminayushmandal may you check once that your directory name contains spaces ? like c:\users\admin user\project

[adminayushmandal]

@adminayushmandal may you check once that your directory name contains spaces ? like c:\users\admin user\project

Yes sir, there's no space D:\personal_projects\LeaseLoop

[RDB-DA]

@adminayushmandal

This is caused by simplified output paths.

Work around this issue by updating Directory.Build.props and disabling simplified output paths:
<ArtifactsPath>$(MSBuildThisFileDirectory)artifacts</ArtifactsPath>

<Project>
  <PropertyGroup>
    <TargetFramework>net9.0</TargetFramework>
    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
    <WarningsNotAsErrors>NU1901;NU1902;NU1903;NU1904</WarningsNotAsErrors>
    <!-- <ArtifactsPath>$(MSBuildThisFileDirectory)artifacts</ArtifactsPath> -->
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
  </PropertyGroup>
  <!-- To use dotnet ef without 'msbuildprojectextensionspath' - fixed in .NET 10 -->
  <Import Condition="Exists('$(MSBuildProjectDirectory)\obj\$(MSBuildProjectFile).EntityFrameworkCore.targets')"
          Project="$(MSBuildProjectDirectory)\obj\$(MSBuildProjectFile).EntityFrameworkCore.targets"/>
</Project>

Then Build the project. If project build successfully then try to enable simplified output paths by updating Directory.Build.props

<Project>
  <PropertyGroup>
    <TargetFramework>net9.0</TargetFramework>
    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
    <WarningsNotAsErrors>NU1901;NU1902;NU1903;NU1904</WarningsNotAsErrors>
    <ArtifactsPath>$(MSBuildThisFileDirectory)artifacts</ArtifactsPath>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
  </PropertyGroup>
  <!-- To use dotnet ef without 'msbuildprojectextensionspath' - fixed in .NET 10 -->
  <Import Condition="Exists('$(MSBuildProjectDirectory)\obj\$(MSBuildProjectFile).EntityFrameworkCore.targets')"
          Project="$(MSBuildProjectDirectory)\obj\$(MSBuildProjectFile).EntityFrameworkCore.targets"/>
</Project>

[KhalidnawazSystems]

I just commented the PostBuildEvent section. Is it a good solution? although my project build successfully.

[jasontaylordev]

Thanks for reporting this and for the detailed error output. Fixed in #1430.