在安装了Ruby 2.3.3,Rails 5.0.0.1和NodeJS 4.2.6的Ubuntu 16.04上,我生成了一个玩具控制器bin/rails generate controller welcome index
。运行bin/rails server
后,我在浏览器中打开http://localhost:3000/welcome/index
得到以下错误:Welcome#中的ExecJS :: ProgramError索引
ExecJS::ProgramError in Welcome#index
Showing /rails-app-path/app/views/layouts/application.html.erb where line #7 raised:
ReferenceError: CoffeeScript is not defined
Extracted source (around line #7):
<%= csrf_meta_tags %>
<%= stylesheet_link_tag 'application', media: 'all', 'data-turbolinks-track': 'reload' %>
<%= javascript_include_tag 'application', 'data-turbolinks-track': 'reload' %>
</head>