Topic: A strange exception

I have the following in my production log. Anybody got an idea on what could that be?

Processing QuotesController#index to json (for 95.25.238.29 at 2010-09-27 16:19:14) [GET]
Completed in 3ms (View: 0, DB: 0) | 200 OK [http://www.aforex.ru/webservice/quotes.json]
/!\ FAILSAFE /!\  Mon Sep 27 16:19:14 +0400 2010
  Status: 500 Internal Server Error
  PROPFIND, accepted HTTP methods are get, head, put, post, delete, and options
    /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/request.rb:35:in `request_method'
    /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/request.rb:43:in `method'
    /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/base.rb:1313:in `log_processing_for_request_id'
    /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/base.rb:1305:in `log_processing'
    /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/base.rb:531:in `process_without_filters'
    /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/filters.rb:606:in `process'
    /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/rescue.rb:65:in `call_with_exception'
    /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/dispatcher.rb:90:in `dispatch'
    /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/dispatcher.rb:121:in `_call'
    /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/dispatcher.rb:130:in `build_middleware_stack'
    /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record/query_cache.rb:29:in `call'
    /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record/query_cache.rb:29:in `call'
    /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record/connection_adapters/abstract/query_cache.rb:34:in `cache'
    /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record/query_cache.rb:9:in `cache'
    /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record/query_cache.rb:28:in `call'
    /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:361:in `call'
    /data/AMIS/releases/20100922115133/vendor/gems/haml-3.0.13/rails/../lib/sass/plugin/rack.rb:41:in `call'
    /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/string_coercion.rb:25:in `call'
    /usr/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/head.rb:9:in `call'
    /usr/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/methodoverride.rb:24:in `call'
    /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/params_parser.rb:15:in `call'
    /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/session/cookie_store.rb:99:in `call'
    /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_support/cache/strategy/local_cache.rb:25:in `call'
    /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/failsafe.rb:26:in `call'
    /usr/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/lock.rb:11:in `call'
    /usr/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/lock.rb:11:in `synchronize'
    /usr/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/lock.rb:11:in `call'
    /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/dispatcher.rb:106:in `call'
    /usr/lib/passenger/lib/phusion_passenger/rack/request_handler.rb:92:in `process_request'
    /usr/lib/passenger/lib/phusion_passenger/abstract_request_handler.rb:207:in `main_loop'
    /usr/lib/passenger/lib/phusion_passenger/railz/application_spawner.rb:418:in `start_request_handler'
    /usr/lib/passenger/lib/phusion_passenger/railz/application_spawner.rb:358:in `handle_spawn_application'
    /usr/lib/passenger/lib/phusion_passenger/utils.rb:184:in `safe_fork'
    /usr/lib/passenger/lib/phusion_passenger/railz/application_spawner.rb:354:in `handle_spawn_application'
    /usr/lib/passenger/lib/phusion_passenger/abstract_server.rb:352:in `__send__'
    /usr/lib/passenger/lib/phusion_passenger/abstract_server.rb:352:in `main_loop'
    /usr/lib/passenger/lib/phusion_passenger/abstract_server.rb:196:in `start_synchronously'
    /usr/lib/passenger/lib/phusion_passenger/abstract_server.rb:163:in `start'
    /usr/lib/passenger/lib/phusion_passenger/railz/application_spawner.rb:213:in `start'
    /usr/lib/passenger/lib/phusion_passenger/spawn_manager.rb:262:in `spawn_rails_application'
    /usr/lib/passenger/lib/phusion_passenger/abstract_server_collection.rb:126:in `lookup_or_add'
    /usr/lib/passenger/lib/phusion_passenger/spawn_manager.rb:256:in `spawn_rails_application'
    /usr/lib/passenger/lib/phusion_passenger/abstract_server_collection.rb:80:in `synchronize'
    /usr/lib/passenger/lib/phusion_passenger/abstract_server_collection.rb:79:in `synchronize'
    /usr/lib/passenger/lib/phusion_passenger/spawn_manager.rb:255:in `spawn_rails_application'
    /usr/lib/passenger/lib/phusion_passenger/spawn_manager.rb:154:in `spawn_application'
    /usr/lib/passenger/lib/phusion_passenger/spawn_manager.rb:287:in `handle_spawn_application'
    /usr/lib/passenger/lib/phusion_passenger/abstract_server.rb:352:in `__send__'
    /usr/lib/passenger/lib/phusion_passenger/abstract_server.rb:352:in `main_loop'
    /usr/lib/passenger/lib/phusion_passenger/abstract_server.rb:196:in `start_synchronously'
    /usr/lib/passenger/bin/passenger-spawn-server:63

Re: A strange exception

We often get PROPFIND requests along with these errors when people have pasted content from one of our sites into Excel - something to do with MS Office using WebDAV to try and update content.

Rob Anderton
TheWebFellas