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Tim Uckun
2009-Apr-17 12:45 UTC
A frustrating and strange error when config.action_controller.perform_caching = true

Hello all.

I am having a hell of a problem and it''s driving me nuts. I get the
following error (undefined method `controller_name'' for nil:NilClass):
but
only when config.action_controller.perform_caching = true

I googled around some and found this thread
http://groups.google.com/group/communityengine/browse_thread/thread/b84154e5228bf9f3which
suggests it may be a conflict with a pllug in controller but I don''t
see any two controllers with the same name.

This particular controller is using activescaffold and I think that might be
a part of the problem though I can''t be sure.  As you can see from the
stacktrace rails has finished rendering the page and seems to throw a fit
during sweeping.rb.  Also none of my controllers are mentioned in the
stacktrace.

What can I do to figure out why this is failing? This is driving me nuts.




End of component rendering
2009-04-17T13:22:22+01:00 : DEBUG : Rendered match/_provider_summary
(37.0ms)
2009-04-17T13:22:22+01:00 : FATAL :

NoMethodError (undefined method `controller_name'' for nil:NilClass):
    /vendor/rails/actionpack/lib/action_controller/caching/sweeping.rb:83:in
`callback''
    /vendor/rails/actionpack/lib/action_controller/caching/sweeping.rb:65:in
`after''
    /vendor/rails/actionpack/lib/action_controller/filters.rb:208:in
`around_proc''
    /vendor/rails/activesupport/lib/active_support/callbacks.rb:182:in
`call''
    /vendor/rails/activesupport/lib/active_support/callbacks.rb:182:in
`evaluate_method''
    /vendor/rails/actionpack/lib/action_controller/filters.rb:184:in
`call''
    /vendor/rails/actionpack/lib/action_controller/filters.rb:635:in
`run_before_filters''
    /vendor/rails/actionpack/lib/action_controller/filters.rb:615:in
`call_filters''
    /vendor/rails/actionpack/lib/action_controller/filters.rb:610:in
`perform_action_without_benchmark''
    /vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in
`perform_action_without_rescue''
    /usr/local/lib/ruby/1.8/benchmark.rb:293:in `measure''
    /vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in
`perform_action_without_rescue''
    /vendor/rails/actionpack/lib/action_controller/rescue.rb:136:in
`perform_action_without_caching''

/vendor/rails/actionpack/lib/action_controller/caching/sql_cache.rb:13:in
`passenger_orig_perform_action''

/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb:34:in
`cache''
    /vendor/rails/activerecord/lib/active_record/query_cache.rb:8:in
`cache''

/vendor/rails/actionpack/lib/action_controller/caching/sql_cache.rb:12:in
`passenger_orig_perform_action''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/railz/request_handler.rb:53:in
`perform_action''
    /vendor/rails/actionpack/lib/action_controller/base.rb:524:in
`send''
    /vendor/rails/actionpack/lib/action_controller/base.rb:524:in
`process_without_filters''
    /vendor/rails/actionpack/lib/action_controller/filters.rb:606:in
`process_without_session_management_support''

/vendor/rails/actionpack/lib/action_controller/session_management.rb:134:in
`process''
    /vendor/rails/actionpack/lib/action_controller/base.rb:392:in
`process''
    /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:183:in
`handle_request''
    /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:110:in
`dispatch_unlocked''
    /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:123:in
`dispatch''
    /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:122:in
`synchronize''
    /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:122:in
`dispatch''
    /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:132:in
`dispatch_cgi''
    /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:39:in
`dispatch''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/railz/request_handler.rb:38:in
`process_request''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/abstract_request_handler.rb:197:in
`main_loop''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/railz/application_spawner.rb:340:in
`start_request_handler''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/railz/application_spawner.rb:298:in
`handle_spawn_application''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/utils.rb:176:in
`safe_fork''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/railz/application_spawner.rb:296:in
`handle_spawn_application''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/abstract_server.rb:332:in
`__send__''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/abstract_server.rb:332:in
`main_loop''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/abstract_server.rb:182:in
`start_synchronously''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/abstract_server.rb:149:in
`start''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/railz/application_spawner.rb:192:in
`start''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/spawn_manager.rb:260:in
`spawn_rails_application''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/abstract_server_collection.rb:121:in
`lookup_or_add''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/spawn_manager.rb:254:in
`spawn_rails_application''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/abstract_server_collection.rb:75:in
`synchronize''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/abstract_server_collection.rb:74:in
`synchronize''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/spawn_manager.rb:253:in
`spawn_rails_application''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/spawn_manager.rb:148:in
`spawn_application''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/spawn_manager.rb:285:in
`handle_spawn_application''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/abstract_server.rb:332:in
`__send__''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/abstract_server.rb:332:in
`main_loop''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/lib/phusion_passenger/abstract_server.rb:182:in
`start_synchronously''

/usr/local/lib/ruby/gems/1.8/gems/passenger-2.1.3/bin/passenger-spawn-server:50

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