失败启动导轨服务器Windows 7 x 64

我开始在导轨上做一些试验。今天我试图启动rails服务器，但我的Cmd引发此异常：失败启动导轨服务器Windows 7 x 64

C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/execjs-2.0.2/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-2.0.2/l 
ib/execjs.rb:5:in `<module:ExecJS>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/execjs-2.0.2/l 
ib/execjs.rb:4:in `<top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/uglifier-2.2.1 
/lib/uglifier.rb:3:in `require' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/uglifier-2.2.1 
/lib/uglifier.rb:3: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 D:/Datos/Dropbox/Desarrollo/AprendiendoRuby/Rails/MiPrimerRailsApp/ 
config/application.rb:7:in `<top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.0.0 
/lib/rails/commands.rb:76:in `require' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.0.0 
/lib/rails/commands.rb:76:in `block in <top (required)>' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.0.0 
/lib/rails/commands.rb:73:in `tap' 
     from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.0.0 
/lib/rails/commands.rb:73:in `<top (required)>' 
     from bin/rails:4:in `require' 
     from bin/rails:4:in `<main>'

我试图重新安装rails并运行bundle install。我在GemFile中添加了一行，但我没有得到解决方案。我究竟做错了什么？

来源

2013-10-16 hardvin

首先，Could not find a JavaScript runtime. See https://gi thub.com/sstephenson/execjs for a list of available runtimes. (ExecJS::RuntimeUn available)
第二，甚至没有尝试使用Windows的轨道发展，守护您的健康

来源

2013-10-16 18:24:32 antiqe

谢谢antiqe为我回答，但我也尝试运行“gem install execjs”，但我得到了相同的结果。 – hardvin

安装execjs和therubyracer宝石

添加以下的Gemfile

gem 'execjs' 

gem 'therubyracer'

然后运行

bundle install

来源

2013-10-16 18:33:31 usha

Vimsha，这个愚蠢的问题的借口，但是，窗口中的Gemfile在哪里？我看到所有的宝石都有Gemfiles？ – hardvin

它将在您的项目根目录中。例如，如果您的rails项目是'D：// a'，那么您的Gemfile将位于'D：// a/Gemfile'中 – usha

嗨Vimsha谢谢你的答案。当我尝试将这些元素添加到我的gem文件时，会得到很多新闻错误，那可能是一个糟糕的安装？ – hardvin

失败启动导轨服务器Windows 7 x 64

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