私は、MySQL 空間拡張機能を使用する Rails (2.3.4) アプリケーションに取り組んでいるので、GeoRuby (1.3.4) および spatial_adapter (1.1.2) gem を使用しています。
しかし、GeoRuby の Point オブジェクトを使い始めて以来、リクエストを処理した後に ActiveSupport が定数を削除しようとすると、問題が発生します。
[ pid=18105 thr=67398490 file=utils.rb:176 time=2010-12-07 15:00:38.894 ]: *** Exception NameError in application (cannot remove Object::Geometry) (process 18105, thread #<Thread:0x808d6b4>):
from /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:603:in `remove_const'
from /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:603:in `remove_constant'
from /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:603:in `instance_eval'
from /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:603:in `remove_constant'
from /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:450:in `remove_unloadable_constants!'
from /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:450:in `each'
from /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:450:in `remove_unloadable_constants!'
from /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:236:in `clear'
from /opt/local/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/dispatcher.rb:64:in `cleanup_application'
from /opt/local/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/reloader.rb:17:in `close'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/rack/request_handler.rb:136:in `process_request'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/abstract_request_handler.rb:513:in `accept_and_process_next_request'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/abstract_request_handler.rb:274:in `main_loop'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/classic_rails/application_spawner.rb:321:in `start_request_handler'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/classic_rails/application_spawner.rb:275:in `send'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/classic_rails/application_spawner.rb:275:in `handle_spawn_application'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/utils.rb:479:in `safe_fork'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/classic_rails/application_spawner.rb:270:in `handle_spawn_application'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/abstract_server.rb:357:in `__send__'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/abstract_server.rb:180:in `start'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/classic_rails/application_spawner.rb:149:in `start'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/spawn_manager.rb:219:in `spawn_rails_application'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/abstract_server_collection.rb:132:in `lookup_or_add'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/spawn_manager.rb:214:in `spawn_rails_application'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/abstract_server_collection.rb:82:in `synchronize'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/abstract_server_collection.rb:79:in `synchronize'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/spawn_manager.rb:213:in `spawn_rails_application'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/spawn_manager.rb:132:in `spawn_application'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/spawn_manager.rb:275:in `handle_spawn_application'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/abstract_server.rb:357:in `__send__'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
from /opt/local/lib/ruby/gems/1.8/gems/passenger-3.0.0/helper-scripts/passenger-spawn-server:99
最終的に、これにより Apache が SIGTERM を受信するようになり (おそらくスレッドなどを使い果たしているため)、サーバーが要求に応答できなくなることがあります。
奇妙な点の 1 つは「Object::Geometry」です。代わりに「GeoRuby::SimpleFeatures::Geometry」を読み取ることを期待します (GeoRuby::SimpleFeatures::Point をいくつか使用していますが、これは Geometry のサブクラスです)。 ）。
また、ActiveSupport 3.0.0 では、remove_constant のコードが、私が使用しているバージョンと異なることに気付きました。そのアップデートでこの問題は修正されますか? もしそうなら、Rails 3.0 へのアップデートが必要ですか?