After upgrading to Ruby 1.9 and Passenger, we started getting this while uploading a binary data file through a form. I'm not sure if it's ruby 1.9 or passenger, but either way, any help would be greatly appreciated.
/!\ FAILSAFE /!\ 2009-05-28 00:39:30 +0000 Status: 500 Internal Server Error invalid byte sequence in US-ASCII d /usr/local/lib/ruby/gems/1.9.1/gems/actionpack-2.3.2/lib/ action_controller/vendor/rack-1.0/rack/utils.rb:320:in `=~' /usr/local/lib/ruby/gems/1.9.1/gems/actionpack-2.3.2/lib/ action_controller/vendor/rack-1.0/rack/utils.rb:320:in `block in parse_multipart' /usr/local/lib/ruby/gems/1.9.1/gems/actionpack-2.3.2/lib/ action_controller/vendor/rack-1.0/rack/utils.rb:315:in `loop' /usr/local/lib/ruby/gems/1.9.1/gems/actionpack-2.3.2/lib/ action_controller/vendor/rack-1.0/rack/utils.rb:315:in `parse_multipart' /usr/local/lib/ruby/gems/1.9.1/gems/actionpack-2.3.2/lib/ action_controller/vendor/rack-1.0/rack/request.rb:125:in `POST' /usr/local/lib/ruby/gems/1.9.1/gems/actionpack-2.3.2/lib/ action_controller/vendor/rack-1.0/rack/methodoverride.rb:15:in `call' /usr/local/lib/ruby/gems/1.9.1/gems/actionpack-2.3.2/lib/ action_controller/params_parser.rb:15:in `call' /usr/local/lib/ruby/gems/1.9.1/gems/actionpack-2.3.2/lib/ action_controller/rewindable_input.rb:25:in `call' /usr/local/lib/ruby/gems/1.9.1/gems/actionpack-2.3.2/lib/ action_controller/session/cookie_store.rb:93:in `call' /usr/local/lib/ruby/gems/1.9.1/gems/actionpack-2.3.2/lib/ action_controller/failsafe.rb:11:in `call' /usr/local/lib/ruby/gems/1.9.1/gems/actionpack-2.3.2/lib/ action_controller/vendor/rack-1.0/rack/lock.rb:11:in `block in call' <internal:prelude>:8:in `synchronize' /usr/local/lib/ruby/gems/1.9.1/gems/actionpack-2.3.2/lib/ action_controller/vendor/rack-1.0/rack/lock.rb:11:in `call' /usr/local/lib/ruby/gems/1.9.1/gems/actionpack-2.3.2/lib/ action_controller/dispatcher.rb:106:in `call' /usr/local/lib/ruby/gems/1.9.1/gems/passenger-2.2.2/lib/ phusion_passenger/rack/request_handler.rb:81:in `process_request' /usr/local/lib/ruby/gems/1.9.1/gems/passenger-2.2.2/lib/ phusion_passenger/abstract_request_handler.rb:203:in `main_loop' /usr/local/lib/ruby/gems/1.9.1/gems/passenger-2.2.2/lib/ phusion_passenger/railz/application_spawner.rb:340:in `start_request_handler' /usr/local/lib/ruby/gems/1.9.1/gems/passenger-2.2.2/lib/ phusion_passenger/railz/application_spawner.rb:298:in `block in handle_spawn_application' /usr/local/lib/ruby/gems/1.9.1/gems/passenger-2.2.2/lib/ phusion_passenger/utils.rb:181:in `safe_fork' /usr/local/lib/ruby/gems/1.9.1/gems/passenger-2.2.2/lib/ phusion_passenger/railz/application_spawner.rb:296:in `handle_spawn_application' /usr/local/lib/ruby/gems/1.9.1/gems/passenger-2.2.2/lib/ phusion_passenger/abstract_server.rb:337:in `main_loop' /usr/local/lib/ruby/gems/1.9.1/gems/passenger-2.2.2/lib/ phusion_passenger/abstract_server.rb:187:in `start_synchronously' /usr/local/lib/ruby/gems/1.9.1/gems/passenger-2.2.2/lib/ phusion_passenger/abstract_server.rb:154:in `start' /usr/local/lib/ruby/gems/1.9.1/gems/passenger-2.2.2/lib/ phusion_passenger/railz/application_spawner.rb:192:in `start' /usr/local/lib/ruby/gems/1.9.1/gems/passenger-2.2.2/lib/ phusion_passenger/spawn_manager.rb:257:in `block (2 levels) in spawn_rails_application' /usr/local/lib/ruby/gems/1.9.1/gems/passenger-2.2.2/lib/ phusion_passenger/abstract_server_collection.rb:126:in `lookup_or_add' /usr/local/lib/ruby/gems/1.9.1/gems/passenger-2.2.2/lib/ phusion_passenger/spawn_manager.rb:251:in `block in spawn_rails_application' /usr/local/lib/ruby/gems/1.9.1/gems/passenger-2.2.2/lib/ phusion_passenger/abstract_server_collection.rb:80:in `block in synchronize' <internal:prelude>:8:in `synchronize'
