错误H10崩溃Heroku应用程序

Question

恐怕我完全处于亏损状态，为什么我的Rails应用程序在Heroku上崩溃。它在我的开发环境中运行良好，在日志中我看不到任何明显的东西。我错过了什么？

这里是Heroku的日志：

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% 

Answer 1

也许你在Gemfile中写道

gem 'CSV' 

？它应该是downcase：gem 'csv'。 Look here