omniauth facebook uninitialzed定数エラー

Question

私はレールキャストビデオhereに従っていますが、私のサーバーを実行しようとすると、「初期化されていない定数OmniAuth（NameError）」というエラーが発生しています。このファイルを削除すると、サーバーが起動し、ホームページが表示されますが、フェイスブックのログイン認証へのリンク以外には、経路が「GET」/認証/フェイスブックと一致しません」というエラーが返されます。

私の質問は鉱山が開発モードである。このstackoverlfow質問hereけど。

すべてのコードと同じである私が助けてください。これが何であるかをwodneringています！

全エラーが/ /初期化子場合も

C:/Sites/blog/config/initializers/omniauth.rb:1:in `<top (required)>': uninitialized constant OmniAuth (NameError) 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/engine.rb:652:in `block in load_config_initializer' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/activesupport-4.2.6/lib/active_support/notifications.rb:166:in `instrument' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/engine.rb:651:in `load_config_initializer' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/engine.rb:616:in `block (2 levels) in <class:Engine>' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/engine.rb:615:in `each' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/engine.rb:615:in `block in <class:Engine>' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/initializable.rb:30:in `instance_exec' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/initializable.rb:30:in `run' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/initializable.rb:55:in `block in run_initializers' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/tsort.rb:226:in `block in tsort_each' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/tsort.rb:348:in `block (2 levels) in each_strongly_connected_component' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/tsort.rb:420:in `block (2 levels) in each_strongly_connected_component_from' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/tsort.rb:429:in `each_strongly_connected_component_from' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/tsort.rb:419:in `block in each_strongly_connected_component_from' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/initializable.rb:44:in `each' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/initializable.rb:44:in `tsort_each_child' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/tsort.rb:413:in `call' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/tsort.rb:413:in `each_strongly_connected_component_from' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/tsort.rb:347:in `block in each_strongly_connected_component' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/tsort.rb:345:in `each' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/tsort.rb:345:in `call' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/tsort.rb:345:in `each_strongly_connected_component' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/tsort.rb:224:in `tsort_each' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/tsort.rb:203:in `tsort_each' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/initializable.rb:54:in `run_initializers' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/application.rb:352:in `initialize!' 
    from C:/Sites/blog/config/environment.rb:5:in `<top (required)>' 
    from C:/Sites/blog/config.ru:3:in `require' 
    from C:/Sites/blog/config.ru:3:in `block in <main>' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/builder.rb:55:in `instance_eval' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/builder.rb:55:in `initialize' 
    from C:/Sites/blog/config.ru:in `new' 
    from C:/Sites/blog/config.ru:in `<main>' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/builder.rb:49:in `eval' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/builder.rb:49:in `new_from_string' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/builder.rb:40:in `parse_file' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/server.rb:299:in `build_app_and_options_from_config' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/server.rb:208:in `app' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/commands/server.rb:61:in `app' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/server.rb:336:in `wrapped_app' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/commands/server.rb:139:in `log_to_stdout' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/commands/server.rb:78:in `start' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:80:in `block in server' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:75:in `tap' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:75:in `server' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:39:in `run_command!' 
    from C:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/commands.rb:17:in `<top (required)>' 
    from bin/rails:4:in `require' 
    from bin/rails:4:in `<main>' 

ですオムニバスh.rbはそのフォルダにあります私はこれを行うためにも削除する必要があるユーザーモデルを生成できませんか？

私はomniauth-facebook gemの最新バージョンをインストールし、バンドルインストールを実行しました。

Answer 1

gemfileにomniauthとomniauth-facebookの両方がありますか？以下のような：

gem 'omniauth' 
gem 'omniauth-facebook'