I have on ubuntu a digital library application Kete which gives in the log/production.log:
Please help, thnx.
/!\ FAILSAFE /!\ Fri Feb 05 19:05:08 +0200 2010 Status: 500 Internal Server Error No connection to server (localhost:11211 DEAD (Errno::ECONNREFUSED: Connection refused - connect(2)), will retry at Fri Feb 05 19:05:38 +0200 2010) /usr/local/lib/ruby/gems/1.8/gems/memcache-client-1.7.7/lib/ memcache.rb:855:in `with_socket_management' /usr/local/lib/ruby/gems/1.8/gems/memcache-client-1.7.7/lib/ memcache.rb:732:in `cache_get' /usr/local/lib/ruby/gems/1.8/gems/memcache-client-1.7.7/lib/ memcache.rb:253:in `get' /usr/local/lib/ruby/gems/1.8/gems/memcache-client-1.7.7/lib/ memcache.rb:878:in `with_server' /usr/local/lib/ruby/gems/1.8/gems/memcache-client-1.7.7/lib/ memcache.rb:251:in `get' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ session/mem_cache_store.rb:61:in `initialize' /usr/local/lib/ruby/1.8/cgi/session.rb:280:in `new' /usr/local/lib/ruby/1.8/cgi/session.rb:280:in `initialize_without_cgi_reader' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ cgi_ext/session.rb:39:in `initialize' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ cgi_process.rb:132:in `new' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ cgi_process.rb:132:in `session' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ cgi_process.rb:168:in `stale_session_check!' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ cgi_process.rb:116:in `session' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ base.rb:1139:in `assign_shortcuts_without_flash' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ flash.rb:166:in `assign_shortcuts' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ base.rb:523:in `process_without_filters' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ filters.rb:568:in `process_without_session_management_support' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ session_management.rb:130:in `process' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ base.rb:389:in `process' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ dispatcher.rb:149:in `handle_request' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ dispatcher.rb:107:in `dispatch' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ dispatcher.rb:104:in `synchronize' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ dispatcher.rb:104:in `dispatch' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ dispatcher.rb:120:in `dispatch_cgi' /home/kete/apps/kato/vendor/rails/actionpack/lib/action_controller/ dispatcher.rb:35:in `dispatch' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/railz/request_handler.rb:50:in `process_request' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/abstract_request_handler.rb:207:in `main_loop' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/railz/application_spawner.rb:378:in `start_request_handler' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/railz/application_spawner.rb:336:in `handle_spawn_application' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/utils.rb:183:in `safe_fork' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/railz/application_spawner.rb:334:in `handle_spawn_application' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/abstract_server.rb:352:in `__send__' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/abstract_server.rb:352:in `main_loop' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/abstract_server.rb:196:in `start_synchronously' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/abstract_server.rb:163:in `start' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/railz/application_spawner.rb:213:in `start' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/spawn_manager.rb:262:in `spawn_rails_application' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/abstract_server_collection.rb:126:in `lookup_or_add' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/spawn_manager.rb:256:in `spawn_rails_application' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/abstract_server_collection.rb:80:in `synchronize' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/abstract_server_collection.rb:79:in `synchronize' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/spawn_manager.rb:255:in `spawn_rails_application' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/spawn_manager.rb:154:in `spawn_application' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/spawn_manager.rb:287:in `handle_spawn_application' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/abstract_server.rb:352:in `__send__' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/abstract_server.rb:352:in `main_loop' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/lib/ phusion_passenger/abstract_server.rb:196:in `start_synchronously' /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.5/bin/passenger- spawn-server:61