Question

在Windows上，是的，安装了node.js.

我刚刚在视频教程中安装了ruby，但是当我去运行rails服务器时，我遇到了这个错误：

c:/row/Ruby21/lib/ruby/gems/2.1.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:80:in `rescue in block (2 levels) in require': There was an error while trying to load the gem 'uglifier'. (Bundler::GemRequireError)
        from c:/row/Ruby21/lib/ruby/gems/2.1.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:76:in `block (2 levels) in require'
        from c:/row/Ruby21/lib/ruby/gems/2.1.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `each'
        from c:/row/Ruby21/lib/ruby/gems/2.1.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `block in require'
        from c:/row/Ruby21/lib/ruby/gems/2.1.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `each'
        from c:/row/Ruby21/lib/ruby/gems/2.1.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `require'
        from c:/row/Ruby21/lib/ruby/gems/2.1.0/gems/bundler-1.11.2/lib/bundler.rb:99:in `require'
        from c:/row/dev/Hello_World/config/application.rb:7:in `<top (required)>'
        from c:/row/Ruby21/lib/ruby/gems/2.1.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:78:in `require'
        from c:/row/Ruby21/lib/ruby/gems/2.1.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:78:in `block in server'
        from c:/row/Ruby21/lib/ruby/gems/2.1.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:75:in `tap'
        from c:/row/Ruby21/lib/ruby/gems/2.1.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:75:in `server'
        from c:/row/Ruby21/lib/ruby/gems/2.1.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
        from c:/row/Ruby21/lib/ruby/gems/2.1.0/gems/railties-4.2.5/lib/rails/commands.rb:17:in `<top (required)>'
        from bin/rails:4:in `require'
        from bin/rails:4:in `<main>'

我的gemfile中安装了uglifier uglifier，并且bundle install显示正在使用的uglifier。

问题可能是什么？

Answer 1

好像你没有安装JS运行时uglifier所需要的。您可以安装nodejs。

在Ubuntu上这样做：

sudo apt-get update
sudo apt-get install nodejs

Ruby on rails uglifier错误

1 个答案: