rails 3.2在应用启动时/ undefined的路由错误

Question

我启动此应用后立即收到此异常：

Started GET "/undefined" for 127.0.0.1 at Tue Jan 24 20:54:08 -0200 2012

ActionController::RoutingError (No route matches [GET] "/undefined"):
  actionpack (3.2.0) lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'
  actionpack (3.2.0) lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
  railties (3.2.0) lib/rails/rack/logger.rb:26:in `call_app'
  railties (3.2.0) lib/rails/rack/logger.rb:16:in `call'
  actionpack (3.2.0) lib/action_dispatch/middleware/request_id.rb:22:in `call'
  rack (1.4.1) lib/rack/methodoverride.rb:21:in `call'
  rack (1.4.1) lib/rack/runtime.rb:17:in `call'
  activesupport (3.2.0) lib/active_support/cache/strategy/local_cache.rb:72:in `call'
  rack (1.4.1) lib/rack/lock.rb:15:in `call'
  actionpack (3.2.0) lib/action_dispatch/middleware/static.rb:53:in `call'
  railties (3.2.0) lib/rails/engine.rb:479:in `call'
  railties (3.2.0) lib/rails/application.rb:220:in `call'
  rack (1.4.1) lib/rack/content_length.rb:14:in `call'
  railties (3.2.0) lib/rails/rack/log_tailer.rb:14:in `call'
  rack (1.4.1) lib/rack/handler/webrick.rb:59:in `service'
  /Users/janlimpens/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
  /Users/janlimpens/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
  /Users/janlimpens/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
  /Users/janlimpens/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/1.8/webrick/server.rb:162:in `start'
  /Users/janlimpens/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
  /Users/janlimpens/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/1.8/webrick/server.rb:95:in `start'
  /Users/janlimpens/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/1.8/webrick/server.rb:92:in `each'
  /Users/janlimpens/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/1.8/webrick/server.rb:92:in `start'
  /Users/janlimpens/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/1.8/webrick/server.rb:23:in `start'
  /Users/janlimpens/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/1.8/webrick/server.rb:82:in `start'
  rack (1.4.1) lib/rack/handler/webrick.rb:13:in `run'
  rack (1.4.1) lib/rack/server.rb:265:in `start'
  railties (3.2.0) lib/rails/commands/server.rb:70:in `start'
  railties (3.2.0) lib/rails/commands.rb:55
  railties (3.2.0) lib/rails/commands.rb:50:in `tap'
  railties (3.2.0) lib/rails/commands.rb:50
  script/rails:6:in `require'
  script/rails:6

这可能是什么原因？此请求似乎是在循环中执行。当然没有/ undefined这样的路线。除此之外，该应用程序正常响应。