apache_error_log

[Mon Sep 19 04:38:33 2011] [notice] Apache/2.2.17 (Ubuntu) Phusion_Passenger/3.0.8 configured -- resuming normal operations
[Mon Sep 19 04:38:38 2011] [error] [client 110.175.193.222] Premature end of script headers: motion_staging, referer: http://ec2-107-20-111-156.compute-1.amazonaws.com/
[ pid=14460 thr=3064204144 file=ext/apache2/Hooks.cpp:822 time=2011-09-19 04:38:38.206 ]: The backend application (process 14736) did not send a valid HTTP response; instead, it sent not
hing at all. It is possible that it has crashed; please check whether there are crashing bugs in this application.
[ pid=14736 thr=-610123558 file=utils.rb:176 time=2011-09-19 04:38:38.208 ]: *** Exception NoMethodError in application (undefined method `delegate' for #<Class:ActiveSupport::JSON>) (pr
ocess 14736, thread #<Thread:0xb74481b4>):
        from /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.12/lib/active_support/json/decoding.rb:13
        from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
        from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
        from /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.12/lib/active_support/json.rb:1
        from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
        from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
        from /usr/lib/ruby/gems/1.8/gems/tinder-1.6.0/lib/tinder/connection.rb:1
        from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
        from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
        from /usr/lib/ruby/gems/1.8/gems/tinder-1.6.0/lib/tinder.rb:1
        from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
        from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
        from /usr/lib/ruby/gems/1.8/gems/cijoe-0.9.2/lib/cijoe/campfire.rb:8:in `initialize'
        from /usr/lib/ruby/gems/1.8/gems/cijoe-0.9.2/lib/cijoe.rb:32:in `new'
        from /usr/lib/ruby/gems/1.8/gems/cijoe-0.9.2/lib/cijoe.rb:32:in `initialize'
        from /usr/lib/ruby/gems/1.8/gems/cijoe-0.9.2/lib/cijoe/server.rb:82:in `new'
        from /usr/lib/ruby/gems/1.8/gems/cijoe-0.9.2/lib/cijoe/server.rb:82:in `initialize'
        from /usr/lib/ruby/gems/1.8/gems/sinatra-1.2.6/lib/sinatra/base.rb:1267:in `new!'
        from /usr/lib/ruby/gems/1.8/gems/sinatra-1.2.6/lib/sinatra/base.rb:1267:in `build'
        from /usr/lib/ruby/gems/1.8/gems/sinatra-1.2.6/lib/sinatra/base.rb:1254:in `new'
        from /usr/lib/ruby/gems/1.8/gems/sinatra-1.2.6/lib/sinatra/base.rb:1244:in `prototype'
        from /usr/lib/ruby/gems/1.8/gems/sinatra-1.2.6/lib/sinatra/base.rb:1272:in `call'
        from /usr/lib/ruby/gems/1.8/gems/sinatra-1.2.6/lib/sinatra/base.rb:1301:in `synchronize'
        from /usr/lib/ruby/gems/1.8/gems/sinatra-1.2.6/lib/sinatra/base.rb:1301:in `synchronize'
        from /usr/lib/ruby/gems/1.8/gems/sinatra-1.2.6/lib/sinatra/base.rb:1272:in `call'
        from /usr/lib/ruby/gems/1.8/gems/rack-1.3.2/lib/rack/commonlogger.rb:20:in `call'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/rack/request_handler.rb:96:in `process_request'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/abstract_request_handler.rb:513:in `accept_and_process_next_request'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/abstract_request_handler.rb:274:in `main_loop'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/rack/application_spawner.rb:205:in `start_request_handler'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/rack/application_spawner.rb:170:in `send'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/rack/application_spawner.rb:170:in `handle_spawn_application'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/utils.rb:479:in `safe_fork'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/rack/application_spawner.rb:165:in `handle_spawn_application'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/abstract_server.rb:357:in `__send__'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/abstract_server.rb:180:in `start'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/rack/application_spawner.rb:128:in `start'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/spawn_manager.rb:253:in `spawn_rack_application'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/abstract_server_collection.rb:132:in `lookup_or_add'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/spawn_manager.rb:246:in `spawn_rack_application'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/abstract_server_collection.rb:82:in `synchronize'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/abstract_server_collection.rb:79:in `synchronize'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/spawn_manager.rb:244:in `spawn_rack_application'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/spawn_manager.rb:137:in `spawn_application'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/spawn_manager.rb:275:in `handle_spawn_application'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/abstract_server.rb:357:in `__send__'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
        from /usr/lib/ruby/gems/1.8/gems/passenger-3.0.8/helper-scripts/passenger-spawn-server:99