Ruby on Rails - 在Debian上安装execjs

我想在debian上的rails上安装ruby ...我安装了所有东西。Ruby on Rails - 在Debian上安装execjs

我也安装了execjs，therubyracer和node.js。

每次我想创造一个新的控制器，它说：

/usr/local/lib/ruby/gems/2.0.0/gems/execjs-2.0.2/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/local/lib/ruby/gems/2.0.0/gems/execjs-2.0.2/lib/execjs.rb:5:in `<module:ExecJS>' 
    from /usr/local/lib/ruby/gems/2.0.0/gems/execjs-2.0.2/lib/execjs.rb:4:in `<top (required)>' 
    from /usr/local/lib/ruby/gems/2.0.0/gems/uglifier-2.2.1/lib/uglifier.rb:3:in `require' 
    from /usr/local/lib/ruby/gems/2.0.0/gems/uglifier-2.2.1/lib/uglifier.rb:3:in `<top (required)>' 
    from /usr/local/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime.rb:72:in `require' 
    from /usr/local/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime.rb:72:in `block (2 levels) in require' 
    from /usr/local/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime.rb:70:in `each' 
    from /usr/local/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime.rb:70:in `block in require' 
    from /usr/local/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime.rb:59:in `each' 
    from /usr/local/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime.rb:59:in `require' 
    from /usr/local/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler.rb:132:in `require' 
    from /home/adattilo/test/testt/config/application.rb:7:in `<top (required)>' 
    from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:44:in `require' 
    from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:44:in `<top (required)>' 
    from bin/rails:4:in `require' 
    from bin/rails:4:in `<main>'

我安装的execjs，therubyracer和node.js中后作出重启...

来源

2013-10-09 ciaodarwin

请将您的Gemfile的副本，并给我们你怎么会有的Ruby/Rails细节安装在你的系统上。你在使用RVM吗？ – Kosmonaut

为平台，其中有二进制版本的therubyracer gem可用，除了ruby和rubygems之外，没有任何依赖关系。如果您的系统没有二进制版本，那么您需要从源代码编译它。要做到这一点，你的系统上必须安装v8> 3.11.8。

尝试增加以下到您的Gemfile

gem 'therubyracer', '0.11.0beta5' 
gem 'libv8', '~> 3.11.8'

现在，cd到你的项目，并捆绑安装

$ cd <project> 
$ bundle install

来源

2013-10-11 14:21:42 Munish

我在rails'3.2.14'中遇到了同样的问题，添加上面的两个宝石帮助我摆脱了错误。谢谢。 – Ranjan

Ruby on Rails - 在Debian上安装execjs

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