3

我遇到了 ruby​​installer 包的问题。我删除了指示引导我的路径，这可能是导致问题的原因之一。在我输入已下载 execjs gem 文件的“rails s”后出现错误消息。但是，它仍然会在之后重复错误消息。请让我知道我的代码文盲大脑做错了什么。顺便说一句，这是针对 WINDOWS 的。

C:\Sites>cd railsinstaller_demo

C:\Sites\railsinstaller_demo>rails s
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/execjs-1.4.0/lib/execjs/run
times.rb:51:in `autodetect': Could not find a JavaScript runtime. See https://gi
thub.com/sstephenson/execjs for a list of available runtimes. (ExecJS::RuntimeUn
available)
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/execjs-1.4.0/l
ib/execjs.rb:5:in `<module:ExecJS>'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/execjs-1.4.0/l
ib/execjs.rb:4:in `<top (required)>'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/coffee-script-
2.2.0/lib/coffee_script.rb:1:in `require'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/coffee-script-
2.2.0/lib/coffee_script.rb:1:in `<top (required)>'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/coffee-script-
2.2.0/lib/coffee-script.rb:1:in `require'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/coffee-script-
2.2.0/lib/coffee-script.rb:1:in `<top (required)>'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/coffee-rails-3
.2.2/lib/coffee-rails.rb:1:in `require'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/coffee-rails-3
.2.2/lib/coffee-rails.rb:1:in `<top (required)>'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.3.4/
lib/bundler/runtime.rb:72:in `require'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.3.4/
lib/bundler/runtime.rb:72:in `block (2 levels) in require'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.3.4/
lib/bundler/runtime.rb:70:in `each'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.3.4/
lib/bundler/runtime.rb:70:in `block in require'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.3.4/
lib/bundler/runtime.rb:59:in `each'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.3.4/
lib/bundler/runtime.rb:59:in `require'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.3.4/
lib/bundler.rb:132:in `require'
        from C:/Sites/railsinstaller_demo/config/application.rb:7:in `<top (requ
ired)>'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.1
3/lib/rails/commands.rb:53:in `require'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.1
3/lib/rails/commands.rb:53:in `block in <top (required)>'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.1
3/lib/rails/commands.rb:50:in `tap'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-3.2.1
3/lib/rails/commands.rb:50:in `<top (required)>'
        from script/rails:6:in `require'

    from script/rails:6:in `<main>'
4

2 回答 2

1

将“C:\Windows\System32”添加到我的 PATH 对我有用。

于 2013-04-02T19:32:43.260 回答
0

您需要一个 JavaScript 运行时，例如NodeJS。Rails 在开发模式下使用它来编译资产。

于 2013-04-02T07:40:22.410 回答