RailsサーバコマンドJavaScriptランタイムエラー

Question

Ruby on railsの学習が始まりましたが、 サーバを実行するまで、Nodejsとロックは再インストールされませんでした。私は窓に10です。 私も試しました：gem update、bundle install、gem bundle install。 Git bashですべてのコマンドを実行しました。

  $ rails server 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.13.6/lib/bundler/runtime.rb:94:in `rescue in block (2 levels) in require': There was an error while trying to load the gem 'uglifier'. (Bundler::GemRequireError) 
      Gem Load Error is: Could not find a JavaScript runtime. See https://github.com/rails/execjs for a list of available runtimes. 
      Backtrace for gem load error is: 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/execjs-2.7.0/lib/execjs/runtimes.rb:58:in `autodetect' 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/execjs-2.7.0/lib/execjs.rb:5:in `<module:ExecJS>' 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/execjs-2.7.0/lib/execjs.rb:4:in `<top (required)>' 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/uglifier-3.0.4/lib/uglifier.rb:5:in `require' 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/uglifier-3.0.4/lib/uglifier.rb:5:in `<top (required)>' 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.13.6/lib/bundler/runtime.rb:91:in `require' 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.13.6/lib/bundler/runtime.rb:91:in `block (2 levels) in require' 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.13.6/lib/bundler/runtime.rb:86:in `each' 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.13.6/lib/bundler/runtime.rb:86:in `block in require' 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.13.6/lib/bundler/runtime.rb:75:in `each' 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.13.6/lib/bundler/runtime.rb:75:in `require' 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.13.6/lib/bundler.rb:106:in `require' 
      c:/Sites/sample_app/config/application.rb:7:in `<top (required)>' 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:88:in `require' 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:88:in `block in server' 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:85:in `tap' 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:85:in `server' 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:49:in `run_command!' 
      c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-5.0.1/lib/rails/commands.rb:18:in `<top (required)>' 
      bin/rails:4:in `require' 
      bin/rails:4:in `<main>' 
      Bundler Error Backtrace: 
        from c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.13.6/lib/bundler/runtime.rb:90:in `block (2 levels) in require' 
        from c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.13.6/lib/bundler/runtime.rb:86:in `each' 
        from c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.13.6/lib/bundler/runtime.rb:86:in `block in require' 
        from c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.13.6/lib/bundler/runtime.rb:75:in `each' 
        from c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.13.6/lib/bundler/runtime.rb:75:in `require' 
        from c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.13.6/lib/bundler.rb:106:in `require' 
        from c:/Sites/sample_app/config/application.rb:7:in `<top (required)>' 
        from c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:88:in `require' 
        from c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:88:in `block in server' 
        from c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:85:in `tap' 
        from c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:85:in `server' 
        from c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:49:in `run_command!' 
        from c:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-5.0.1/lib/rails/commands.rb:18:in `<top (required)>' 
        from bin/rails:4:in `require' 
        from bin/rails:4:in `<main>' 

Answer 1

とArun Kumarは、コマンドプロンプトで実行しています。すべてを構成しました。コマンドプロンプトを使用してRailsサーバーを実行しています。