I ran into a similar problem a while back. Here's an email thread that might help:
http://groups.google.com/group/rack-devel/browse_thread/thread/76065d11ea3d55c2/13c8e39c788186a8?hl=en&lnk=gst&q=rick#13c8e39c788186a8 Rick On May 28, 7:54 pm, Travis Reeder <tree...@gmail.com> wrote: > 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:500InternalServer 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' --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
