問題点

アプリケーション内でrails sを起動してもエラーが出てしまう。

以下、環境

OS:Windows11
Ruby:3.1.3p185 (2022-11-24 revision 1a6b16756e) [x64-mingw-ucrt]
Rails:7.0.4

以下エラーコード


C:\Users\user\sample_app>rails s

C:/Program Files/Ruby31-x64/lib/ruby/gems/3.1.0/gems/railties-7.0.4/lib/rails/app_loader.rb:53:in `exec': No such file or directory - 
"C:/Program Files/Ruby31-x64/bin/ruby.exe" (Errno::ENOENT)
        from C:/Program Files/Ruby31-x64/lib/ruby/gems/3.1.0/gems/railties-7.0.4/lib/rails/app_loader.rb:53:in `block in exec_app'
        from C:/Program Files/Ruby31-x64/lib/ruby/gems/3.1.0/gems/railties-7.0.4/lib/rails/app_loader.rb:48:in `loop'
        from C:/Program Files/Ruby31-x64/lib/ruby/gems/3.1.0/gems/railties-7.0.4/lib/rails/app_loader.rb:48:in `exec_app'
        from C:/Program Files/Ruby31-x64/lib/ruby/gems/3.1.0/gems/railties-7.0.4/lib/rails/cli.rb:7:in `<top (required)>'
        from <internal:C:/Program Files/Ruby31-x64/lib/ruby/3.1.0/rubygems/core_ext/kernel_require.rb>:85:in `require'
        from <internal:C:/Program Files/Ruby31-x64/lib/ruby/3.1.0/rubygems/core_ext/kernel_require.rb>:85:in `require'
        from C:/Program Files/Ruby31-x64/lib/ruby/gems/3.1.0/gems/railties-7.0.4/exe/rails:10:in `<top (required)>'
        from C:/Program Files/Ruby31-x64/bin/rails:25:in `load'
        from C:/Program Files/Ruby31-x64/bin/rails:25:in `<main>'

原因

ダウンロードしたRubyのフォルダを、Cドライブのprogram files配下に置いていたのが原因。

解決策

RubyフォルダをCドライブに直接配置することで解決