Question

当我运行应用程序时，我收到此错误：

/usr/lib64/ruby/gems/1.8/gems/execjs-1.4.0/lib/execjs/runtimes.rb:51:in `autodetect': Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs for a list of available runtimes. (ExecJS::RuntimeUnavailable)
    from /usr/lib64/ruby/gems/1.8/gems/execjs-1.4.0/lib/execjs.rb:5
    from /usr/lib64/ruby/gems/1.8/gems/coffee-script-2.2.0/lib/coffee_script.rb:1:in `require'
    from /usr/lib64/ruby/gems/1.8/gems/coffee-script-2.2.0/lib/coffee_script.rb:1
    from /usr/lib64/ruby/gems/1.8/gems/coffee-script-2.2.0/lib/coffee-script.rb:1:in `require'
    from /usr/lib64/ruby/gems/1.8/gems/coffee-script-2.2.0/lib/coffee-script.rb:1
    from /usr/lib64/ruby/gems/1.8/gems/coffee-rails-3.2.2/lib/coffee-rails.rb:1:in `require'
    from /usr/lib64/ruby/gems/1.8/gems/coffee-rails-3.2.2/lib/coffee-rails.rb:1
    from /usr/lib64/ruby/gems/1.8/gems/bundler-1.3.4/lib/bundler/runtime.rb:72:in `require'

Answer 1

查看the URL in the error message，并将其中一个列出的javascript运行时gems添加到您的Gemfile中。

Answer 2

我知道了我必须安装execjs gem

Answer 3

gem 'execjs'
gem 'therubyracer'

把它放在你的Gemfile上。

运行rails服务器时出错

3 个答案: