kristianmandrup/cantango — Issue #14: "no key" when using user_can?
Author: ecdpalma
Created: 2011-11-22 13:13:33+00:00
State: open

After some debug, what I've found is that it's trying to invalidate session[:permission], though the :permission key is not set session.

The trace:

cantango (0.9.4.5) lib/cantango/ability/cache/session_cache.rb:36:in `invalidate!'
cantango (0.9.4.5) lib/cantango/ability/cache.rb:67:in `invalidate!'
cantango (0.9.4.5) lib/cantango/ability/cache/writer.rb:16:in `save'
cantango (0.9.4.5) lib/cantango/ability/cache.rb:34:in `cache_rules!'
cantango (0.9.4.5) lib/cantango/ability/cache_helpers.rb:6:in `cache_rules!'
cantango (0.9.4.5) lib/cantango/ability/executor.rb:17:in `execute!'
cantango (0.9.4.5) lib/cantango/ability/engine_helpers.rb:6:in `block in execute_engines!'
cantango (0.9.4.5) lib/cantango/ability/engine_helpers.rb:13:in `block in each_engine'
cantango (0.9.4.5) lib/cantango/ability/engine_helpers.rb:12:in `each'
cantango (0.9.4.5) lib/cantango/ability/engine_helpers.rb:12:in `each_engine'
cantango (0.9.4.5) lib/cantango/ability/engine_helpers.rb:5:in `execute_engines!'
cantango (0.9.4.5) lib/cantango/cached_ability.rb:14:in `initialize'
cantango (0.9.4.5) lib/cantango/ability_executor.rb:25:in `new'
cantango (0.9.4.5) lib/cantango/ability_executor.rb:25:in `cached_ability'
cantango (0.9.4.5) lib/cantango/ability_executor.rb:17:in `cached_rules'
cantango (0.9.4.5) lib/cantango/ability_executor.rb:7:in `initialize'
cantango (0.9.4.5) lib/cantango/configuration/factory.rb:26:in `new'
cantango (0.9.4.5) lib/cantango/configuration/factory.rb:26:in `default_factory'
cantango (0.9.4.5) lib/cantango/configuration/factory.rb:17:in `factory_build'
cantango (0.9.4.5) lib/cantango/api/common.rb:7:in `create_ability'
cantango (0.9.4.5) lib/cantango/api/user/ability.rb:6:in `user_ability'
cantango (0.9.4.5) lib/cantango/api/user/ability.rb:10:in `current_user_ability'
(eval):3:in `user_can?'
app/views/layouts/application.html.erb:12:in `_app_views_layouts_application_html_erb__1953511322705147990_52161660__1246252357618705991'
actionpack (3.0.9) lib/action_view/template.rb:135:in `block in render'
activesupport (3.0.9) lib/active_support/notifications.rb:54:in `instrument'
actionpack (3.0.9) lib/action_view/template.rb:127:in `render'
actionpack (3.0.9) lib/action_view/render/layouts.rb:80:in `_render_layout'
actionpack (3.0.9) lib/action_view/render/rendering.rb:62:in `block in _render_template'
activesupport (3.0.9) lib/active_support/notifications.rb:52:in `block in instrument'
activesupport (3.0.9) lib/active_support/notifications/instrumenter.rb:21:in `instrument'
activesupport (3.0.9) lib/active_support/notifications.rb:52:in `instrument'
actionpack (3.0.9) lib/action_view/render/rendering.rb:56:in `_render_template'
actionpack (3.0.9) lib/action_view/render/rendering.rb:26:in `render'
actionpack (3.0.9) lib/abstract_controller/rendering.rb:115:in `_render_template'
actionpack (3.0.9) lib/abstract_controller/rendering.rb:109:in `render_to_body'
actionpack (3.0.9) lib/action_controller/metal/renderers.rb:47:in `render_to_body'
actionpack (3.0.9) lib/action_controller/metal/compatibility.rb:55:in `render_to_body'
actionpack (3.0.9) lib/abstract_controller/rendering.rb:102:in `render_to_string'
actionpack (3.0.9) lib/abstract_controller/rendering.rb:93:in `render'
actionpack (3.0.9) lib/action_controller/metal/rendering.rb:17:in `render'
actionpack (3.0.9) lib/action_controller/metal/instrumentation.rb:40:in `block (2 levels) in render'
activesupport (3.0.9) lib/active_support/core_ext/benchmark.rb:5:in `block in ms'
/home/ecdpalma/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/benchmark.rb:309:in `realtime'
activesupport (3.0.9) lib/active_support/core_ext/benchmark.rb:5:in `ms'
actionpack (3.0.9) lib/action_controller/metal/instrumentation.rb:40:in `block in render'
actionpack (3.0.9) lib/action_controller/metal/instrumentation.rb:78:in `cleanup_view_runtime'
activerecord (3.0.9) lib/active_record/railties/controller_runtime.rb:15:in `cleanup_view_runtime'
actionpack (3.0.9) lib/action_controller/metal/instrumentation.rb:39:in `render'
actionpack (3.0.9) lib/action_controller/metal/implicit_render.rb:10:in `default_render'
actionpack (3.0.9) lib/action_controller/metal/implicit_render.rb:5:in `send_action'
actionpack (3.0.9) lib/abstract_controller/base.rb:150:in `process_action'
actionpack (3.0.9) lib/action_controller/metal/rendering.rb:11:in `process_action'
actionpack (3.0.9) lib/abstract_controller/callbacks.rb:18:in `block in process_action'
activesupport (3.0.9) lib/active_support/callbacks.rb:441:in `_run__3324046468054523801__process_action__2699832443661909176__callbacks'
activesupport (3.0.9) lib/active_support/callbacks.rb:410:in `_run_process_action_callbacks'
activesupport (3.0.9) lib/active_support/callbacks.rb:94:in `run_callbacks'
actionpack (3.0.9) lib/abstract_controller/callbacks.rb:17:in `process_action'
actionpack (3.0.9) lib/action_controller/metal/instrumentation.rb:30:in `block in process_action'
activesupport (3.0.9) lib/active_support/notifications.rb:52:in `block in instrument'
activesupport (3.0.9) lib/active_support/notifications/instrumenter.rb:21:in `instrument'
activesupport (3.0.9) lib/active_support/notifications.rb:52:in `instrument'
actionpack (3.0.9) lib/action_controller/metal/instrumentation.rb:29:in `process_action'
actionpack (3.0.9) lib/action_controller/metal/rescue.rb:17:in `process_action'
actionpack (3.0.9) lib/abstract_controller/base.rb:119:in `process'
actionpack (3.0.9) lib/abstract_controller/rendering.rb:41:in `process'
actionpack (3.0.9) lib/action_controller/metal.rb:138:in `dispatch'
actionpack (3.0.9) lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
actionpack (3.0.9) lib/action_controller/metal.rb:178:in `block in action'
actionpack (3.0.9) lib/action_dispatch/routing/route_set.rb:62:in `call'
actionpack (3.0.9) lib/action_dispatch/routing/route_set.rb:62:in `dispatch'
actionpack (3.0.9) lib/action_dispatch/routing/route_set.rb:27:in `call'
rack-mount (0.6.14) lib/rack/mount/route_set.rb:148:in `block in call'
rack-mount (0.6.14) lib/rack/mount/code_generation.rb:93:in `block in recognize'
rack-mount (0.6.14) lib/rack/mount/code_generation.rb:68:in `optimized_each'
rack-mount (0.6.14) lib/rack/mount/code_generation.rb:92:in `recognize'
rack-mount (0.6.14) lib/rack/mount/route_set.rb:139:in `call'
actionpack (3.0.9) lib/action_dispatch/routing/route_set.rb:493:in `call'
actionpack (3.0.9) lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
actionpack (3.0.9) lib/action_dispatch/middleware/head.rb:14:in `call'
rack (1.2.4) lib/rack/methodoverride.rb:24:in `call'
actionpack (3.0.9) lib/action_dispatch/middleware/params_parser.rb:21:in `call'
actionpack (3.0.9) lib/action_dispatch/middleware/flash.rb:182:in `call'
actionpack (3.0.9) lib/action_dispatch/middleware/session/abstract_store.rb:149:in `call'
actionpack (3.0.9) lib/action_dispatch/middleware/cookies.rb:302:in `call'
activerecord (3.0.9) lib/active_record/query_cache.rb:32:in `block in call'
activerecord (3.0.9) lib/active_record/connection_adapters/abstract/query_cache.rb:28:in `cache'
activerecord (3.0.9) lib/active_record/query_cache.rb:12:in `cache'
activerecord (3.0.9) lib/active_record/query_cache.rb:31:in `call'
activerecord (3.0.9) lib/active_record/connection_adapters/abstract/connection_pool.rb:354:in `call'
actionpack (3.0.9) lib/action_dispatch/middleware/callbacks.rb:46:in `block in call'
activesupport (3.0.9) lib/active_support/callbacks.rb:416:in `_run_call_callbacks'
actionpack (3.0.9) lib/action_dispatch/middleware/callbacks.rb:44:in `call'
rack (1.2.4) lib/rack/sendfile.rb:106:in `call'
actionpack (3.0.9) lib/action_dispatch/middleware/remote_ip.rb:48:in `call'
actionpack (3.0.9) lib/action_dispatch/middleware/show_exceptions.rb:47:in `call'
railties (3.0.9) lib/rails/rack/logger.rb:13:in `call'
rack (1.2.4) lib/rack/runtime.rb:17:in `call'
activesupport (3.0.9) lib/active_support/cache/strategy/local_cache.rb:72:in `call'
rack (1.2.4) lib/rack/lock.rb:11:in `block in call'
:10:in `synchronize'
rack (1.2.4) lib/rack/lock.rb:11:in `call'
actionpack (3.0.9) lib/action_dispatch/middleware/static.rb:30:in `call'
railties (3.0.9) lib/rails/application.rb:168:in `call'
railties (3.0.9) lib/rails/application.rb:77:in `method_missing'
railties (3.0.9) lib/rails/rack/log_tailer.rb:14:in `call'
rack (1.2.4) lib/rack/content_length.rb:13:in `call'
rack (1.2.4) lib/rack/handler/webrick.rb:52:in `service'
/home/ecdpalma/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/webrick/httpserver.rb:111:in `service'
/home/ecdpalma/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/webrick/httpserver.rb:70:in `run'
/home/ecdpalma/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread'