Ruby on Rails錯誤Errno :: EPIPE：損壞的管道

Question

我在軌道應用程序的日誌中每隔一段時間都會彈出Errno::EPIPE: Broken pipe這個錯誤。我看到很多人都有同樣的錯誤，但問題是MySQL，Mongo或Passenger，正如他們的堆棧跟蹤所證明的那樣。我的紅寶石似乎有點麻煩。任何人都可以幫助我解讀這個堆棧跟蹤或幫助將我引向正確的方向嗎？

/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/net/protocol.rb:177:in `write' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/net/protocol.rb:177:in `write0' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/net/protocol.rb:153:in `write' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/net/protocol.rb:168:in `writing' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/net/protocol.rb:152:in `write' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/net/http.rb:1546:in `send_request_with_body' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/net/http.rb:1531:in `exec' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/net/http.rb:1049:in `request' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/net/http.rb:1037:in `request' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/net/http.rb:543:in `start' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/net/http.rb:1035:in `request' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/1.8/net/http.rb:845:in `post' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/rescue.rb:154:in `rescue_action_without_handler' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/rescue.rb:74:in `rescue_action' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/rescue.rb:162:in `perform_action_without_flash' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/flash.rb:146:in `perform_action' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/base.rb:532:in `send' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/base.rb:532:in `process_without_filters' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/filters.rb:606:in `process' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/base.rb:391:in `process' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/base.rb:386:in `call' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/routing/route_set.rb:437:in `call' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/dispatcher.rb:87:in `dispatch' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/dispatcher.rb:121:in `_call' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/dispatcher.rb:130:in `build_middleware_stack' 
vendor/ruby/1.8/gems/haml-3.0.4/rails/../lib/sass/plugin/rack.rb:41:in `call' 
vendor/ruby/1.8/gems/haml-3.0.4/rails/../lib/sass/plugin/rack.rb:41:in `call' 
vendor/ruby/1.8/gems/rack-ie-redirect-fix-0.0.1/lib/rack-ie-redirect-fix.rb:11:in `call' 
vendor/ruby/1.8/gems/rack-git-version-0.0.2/lib/rack-git-version.rb:14:in `call' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/string_coercion.rb:25:in `call' 
vendor/ruby/1.8/gems/rack-1.0.1/lib/rack/head.rb:9:in `call' 
vendor/ruby/1.8/gems/rack-1.0.1/lib/rack/methodoverride.rb:24:in `call' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/params_parser.rb:15:in `call' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/session/abstract_store.rb:122:in `call' 
vendor/ruby/1.8/gems/activerecord-2.3.5/lib/active_record/query_cache.rb:29:in `call' 
vendor/ruby/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/query_cache.rb:34:in `cache' 
vendor/ruby/1.8/gems/activerecord-2.3.5/lib/active_record/query_cache.rb:9:in `cache' 
vendor/ruby/1.8/gems/activerecord-2.3.5/lib/active_record/query_cache.rb:28:in `call' 
vendor/ruby/1.8/gems/activerecord-2.3.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:361:in `call' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/failsafe.rb:26:in `call' 
vendor/ruby/1.8/gems/rack-1.0.1/lib/rack/lock.rb:11:in `call' 
vendor/ruby/1.8/gems/rack-1.0.1/lib/rack/lock.rb:11:in `synchronize' 
vendor/ruby/1.8/gems/rack-1.0.1/lib/rack/lock.rb:11:in `call' 
vendor/ruby/1.8/gems/actionpack-2.3.5/lib/action_controller/dispatcher.rb:106:in `call' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/passenger-3.0.2/lib/phusion_passenger/rack/request_handler.rb:96:in `process_request' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/passenger-3.0.2/lib/phusion_passenger/abstract_request_handler.rb:513:in `accept_and_process_next_request' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/passenger-3.0.2/lib/phusion_passenger/abstract_request_handler.rb:274:in `main_loop' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/passenger-3.0.2/lib/phusion_passenger/classic_rails/application_spawner.rb:321:in `start_request_handler' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/passenger-3.0.2/lib/phusion_passenger/classic_rails/application_spawner.rb:99:in `spawn_application' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/passenger-3.0.2/lib/phusion_passenger/utils.rb:479:in `safe_fork' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/passenger-3.0.2/lib/phusion_passenger/classic_rails/application_spawner.rb:84:in `spawn_application' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/passenger-3.0.2/lib/phusion_passenger/spawn_manager.rb:230:in `spawn_rails_application' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/passenger-3.0.2/lib/phusion_passenger/spawn_manager.rb:132:in `spawn_application' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/passenger-3.0.2/lib/phusion_passenger/spawn_manager.rb:275:in `handle_spawn_application' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/passenger-3.0.2/lib/phusion_passenger/abstract_server.rb:357:in `__send__' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/passenger-3.0.2/lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/passenger-3.0.2/lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously' 
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/passenger-3.0.2/helper-scripts/passenger-spawn-server:99 

Answer 1

我認爲在你的情況下，外部程序或服務器會在你的程序嘗試寫入時斷開連接。當你做某些特定的事情時，會發生這種錯誤嗎？