Ruby on rails 错误H10使Heroku应用程序崩溃

恐怕我完全不知道为什么我的rails应用程序会在Heroku上崩溃。它在我的开发环境中运行良好，我在日志中看不到任何明显的内容。我错过了什么

这是Heroku日志：

2012-08-16T19:19:08+00:00 app[web.1]: => Booting WEBrick
2012-08-16T19:19:08+00:00 app[web.1]: => Call with -d to detach
2012-08-16T19:19:08+00:00 app[web.1]: Exiting
2012-08-16T19:19:08+00:00 app[web.1]: => Rails 3.2.8 application starting in production on http://0.0.0.0:33240
2012-08-16T19:19:08+00:00 app[web.1]: => Ctrl-C to shutdown server
2012-08-16T19:19:08+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.8/lib/active_support/dependencies.rb:317:in `rescue in depend_on': No such file to load -- CSV (LoadError)
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.8/lib/active_support/dependencies.rb:312:in `depend_on'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.8/lib/active_support/dependencies.rb:225:in `require_dependency'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/engine.rb:439:in `block (2 levels) in eager_load!'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/engine.rb:438:in `block in eager_load!'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/engine.rb:436:in `each'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/engine.rb:438:in `each'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/engine.rb:436:in `eager_load!'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/application/finisher.rb:53:in `block in <module:Finisher>'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/initializable.rb:55:in `block in run_initializers'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/initializable.rb:30:in `run'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/initializable.rb:54:in `run_initializers'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/initializable.rb:30:in `instance_exec'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/application.rb:136:in `initialize!'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/config/environment.rb:5:in `<top (required)>'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/initializable.rb:54:in `each'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/railtie/configurable.rb:30:in `method_missing'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/config.ru:4:in `block in <main>'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb:51:in `initialize'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/config.ru:4:in `require'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb:51:in `instance_eval'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/config.ru:1:in `new'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb:40:in `eval'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/config.ru:1:in `<main>'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb:40:in `parse_file'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/server.rb:301:in `wrapped_app'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/server.rb:252:in `start'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/server.rb:200:in `app'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/commands/server.rb:46:in `app'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/commands/server.rb:70:in `start'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/commands.rb:50:in `tap'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/commands.rb:55:in `block in <top (required)>'
2012-08-16T19:19:08+00:00 app[web.1]:   from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/commands.rb:50:in `<top (required)>'
2012-08-16T19:19:08+00:00 app[web.1]:   from script/rails:6:in `<main>'
2012-08-16T19:19:08+00:00 app[web.1]:   from script/rails:6:in `require'
2012-08-16T19:19:09+00:00 heroku[web.1]: Process exited with status 1
2012-08-16T19:19:09+00:00 heroku[web.1]: State changed from starting to crashed
2012-08-16T19:19:16+00:00 heroku[run.1]: Process exited with status 0
2012-08-16T19:19:16+00:00 heroku[run.1]: State changed from up to complete
2012-08-16T19:19:37+00:00 heroku[router]: Error H10 (App crashed) -> GET fierce-tor-1874.herokuapp.com/ dyno= queue= wait= service= status=503 bytes=
2012-08-16T19:19:38+00:00 heroku[router]: Error H10 (App crashed) -> GET fierce-tor-1874.herokuapp.com/favicon.ico dyno= queue= wait= service= status=503 bytes=
2012-08-16T19:19:38+00:00 heroku[router]: Error H10 (App crashed) -> GET fierce-tor-1874.herokuapp.com/ dyno= queue= wait= service= status=503 bytes=
2012-08-16T19:19:38+00:00 heroku[router]: Error H10 (App crashed) -> GET fierce-tor-1874.herokuapp.com/favicon.ico dyno= queue= wait= service= status=503 bytes=
Ashers-MacBook-Pro%  

2012-08-16T19:19:08+00:00应用程序[web.1]：=>启动WEBrick
2012-08-16T19:19:08+00:00应用程序[web.1]：=>使用-d调用以分离
2012-08-16T19:19:08+00:00应用程序[网站1]：退出
2012-08-16T19:19:08+00:00应用程序[web.1]：=>Rails 3.2.8应用程序于http://0.0.0.0:33240
2012-08-16T19:19:08+00:00应用程序[web.1]：=>Ctrl-C关闭服务器
2012-08-16T19:19:08+00:00应用程序[web.1]：/app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.8/lib/active\u support/dependencies.rb:317:in‘rescue in dependence’：没有这样的文件要加载--CSV（LoadError）
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.8/lib/active\u support/dependencies.rb:312:在“依赖”中
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.8/lib/active\u support/dependenciencies.rb:225:在“require\u dependenciency”中
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/engine.rb:439:in'block（2层）in eager_load！'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/engine.rb:438:in“块加载”
2012-08-16T19:19:08+00:00应用程序[网站1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/engine.rb:436:in'each'
2012-08-16T19:19:08+00:00应用程序[网站1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/engine.rb:438:in'each'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/engine.rb:436:in'eager_load！'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/application/finisher.rb:53:in'block in'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/initializable.rb:55:“运行中的块初始化器”
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/initializable.rb:30:in'run'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/initializable.rb:54:in'run_initializer'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/initializable.rb:30:in'instance_exec'
2012-08-16T19:19:08+00:00应用程序[网站1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/application.rb:136:in'initialize！'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/config/environment.rb:5:in`'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/initializable.rb:54:在'each'中
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/railtie/configurable.rb:30:in'method_missing'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/config.ru:4:in'block in'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb:51:在“初始化”中
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/config.ru:4:在'require'中
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb:51:in'instance_eval'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/config.ru:1:在“new”中
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb:40:in'eval'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/config.ru:1:in`'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb:40:in'parse_file'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/server.rb:301:in'wrapp'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/server.rb:252:在“开始”中
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/server.rb:200:in'app'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/commands/server.rb:46:in'app'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/commands/server.rb:70:在“开始”中
2012-08-16T19:19:08+00:00应用程序[网站1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/commands.rb:50:in'tap'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/commands.rb:55:in'block in'
2012-08-16T19:19:08+00:00应用程序[web.1]：from/app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.8/lib/rails/commands.rb:50:in`'
2012-08-16T19:19:08+00:00应用程序[web.1]：来自脚本/rails:6:in`'
2012-08-16T19:19:08+00:00应用程序[web.1]：来自脚本/rails:6:in'require'
2012-08-16T19:19:09+00:00 heroku[web.1]：进程已退出，状态为1
2012-08-16T19:19:09+00:00 heroku[web.1]：状态从开始更改为崩溃
2012-08-16T19:19:16+00:00 heroku[run.1]：进程已退出，状态为0
2012-08-16T19:19:16+00:00 heroku[run.1]：状态从up更改为complete
2012-08-16T19:19:37+00:00 heroku[路由器]：错误H10（应用程序崩溃）->GET-tor-1874.herokuapp.com/dyno=queue=wait=service=status=503字节=
2012-08-16T19:19:38+00:00 heroku[路由器]：错误H10（应用程序崩溃）->GET-tor-1874.herokuapp.com/favicon.ico dyno=queue=wait=service=status=503字节=
2012-08-16T19:19:38+00:00 heroku[路由器]：错误H10（应用程序崩溃）->GET-tor-1874.herokuapp.com/dyno=queue=wait=service=status=503字节=
2012-08-16T19:19:38+00:00 heroku[路由器]：错误H10（应用程序崩溃）->GET-tor-1874.herokuapp.com/favicon.ico dyno=queue=wait=service=status=503字节=
Ashers MacBook Pro%

Mayb

gem 'CSV'