1

ここで説明されているお問い合わせフォームを実装しようとしています。

Rails サーバーを実行すると、次のエラーが表示されます。

/home/user/project/web/config/initializers/app_config.rb:11:in `<top (required)>': uninitialized constant RailsContactForm (NameError)
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/engine.rb:201:in `block (2 levels) in <class:Engine>'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/engine.rb:200:in `each'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/engine.rb:200:in `block in <class:Engine>'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/initializable.rb:25:in `instance_exec'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/initializable.rb:25:in `run'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/initializable.rb:50:in `block in run_initializers'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/initializable.rb:49:in `each'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/initializable.rb:49:in `run_initializers'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/application.rb:134:in `initialize!'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/application.rb:77:in `method_missing'
from /home/user/project/web/config/environment.rb:9:in `<top (required)>'
from /home/user/project/web/config.ru:3:in `block in <main>'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/builder.rb:46:in `instance_eval'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/builder.rb:46:in `initialize'
from /home/user/project/web/config.ru:1:in `new'
from /home/user/project/web/config.ru:1:in `<main>'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/builder.rb:35:in `eval'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/builder.rb:35:in `parse_file'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/server.rb:162:in `app'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/server.rb:253:in `wrapped_app'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/server.rb:204:in `start'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/commands/server.rb:65:in `start'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/commands.rb:30:in `block in <top (required)>'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/commands.rb:27:in `tap'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/commands.rb:27:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
/home/user/project/web/config/initializers/app_config.rb:11:in `<top (required)>': uninitialized constant RailsContactForm (NameError)
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/engine.rb:201:in `block (2 levels) in <class:Engine>'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/engine.rb:200:in `each'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/engine.rb:200:in `block in <class:Engine>'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/initializable.rb:25:in `instance_exec'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/initializable.rb:25:in `run'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/initializable.rb:50:in `block in run_initializers'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/initializable.rb:49:in `each'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/initializable.rb:49:in `run_initializers'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/application.rb:134:in `initialize!'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/application.rb:77:in `method_missing'
from /home/user/project/web/config/environment.rb:9:in `<top (required)>'
from /home/user/project/web/config.ru:3:in `block in <main>'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/builder.rb:46:in `instance_eval'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/builder.rb:46:in `initialize'
from /home/user/project/web/config.ru:1:in `new'
from /home/user/project/web/config.ru:1:in `<main>'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/builder.rb:35:in `eval'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/builder.rb:35:in `parse_file'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/server.rb:162:in `app'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/server.rb:253:in `wrapped_app'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.2.3/lib/rack/server.rb:204:in `start'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/commands/server.rb:65:in `start'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/commands.rb:30:in `block in <top (required)>'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/commands.rb:27:in `tap'
from /home/user/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.7/lib/rails/commands.rb:27:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'

彼が RailsContactForm を定義していないことがわかります。これが意図的なものかどうかを知るのに十分なレールを知りません。

4

2 に答える 2

2

この行: "RailsContactForm::Application.configure"

RailsContactForm は、彼が rails create を実行したときにアプリケーションに付けた名前です。それをアプリケーション名に置き換えるだけです。

于 2011-08-03T19:39:25.717 に答える
1

そのチュートリアルRailsContactFormでは、メイン アプリの名前です。

これをアプリの名前に変更する必要があります。

于 2011-08-03T19:38:51.483 に答える