host.hostgroup in auto-completed but raises 500 in /fact_values

Version Foreman 1.2.0

Here is a trace :

Cache read: https://foreman2-unprotected.example.com/fact_values?search=+host.hostgroup+%3D+web&utf8=%E2%9C%93
Started GET "/fact_values?utf8=%E2%9C%93&search=+host.hostgroup+%3D+web" for 192.168.200.11 at 2013-07-10 09:48:08 +0200
Cache read: _session_id:675cde73f41b286d1490adb366147d9c
Processing by FactValuesController#index as HTML
  Parameters: {"utf8"=>"✓", "search"=>" host.hostgroup = web"}
  User Load (0.9ms)  SELECT `users`.* FROM `users` WHERE `users`.`id` = ? LIMIT 1  [["id", 9]]
Setting current user thread-local variable to rvrignaud
Cache read: authorize_login_delegation
Cache read: authorize_login_delegation
Cache read: idle_timeout
  FactValue Load (0.9ms)  SELECT `fact_values`.* FROM `fact_values` LIMIT 1
  SQL (1080.2ms)  SELECT `fact_values`.`id` AS t0_r0, `fact_values`.`value` AS t0_r1, `fact_values`.`fact_name_id` AS t0_r2, `fact_values`.`host_id` AS t0_r3, `fact_values`.`updated_at` AS t0_r4, `fact_values`.`created_at` AS t0_r5, `fact_names`.`id` AS t1_r0, `fact_names`.`name` AS t1_r1, `fact_names`.`updated_at` AS t1_r2, `fact_names`.`created_at` AS t1_r3, `hosts`.`id` AS t2_r0, `hosts`.`name` AS t2_r1, `hosts`.`ip` AS t2_r2, `hosts`.`environment` AS t2_r3, `hosts`.`last_compile` AS t2_r4, `hosts`.`last_freshcheck` AS t2_r5, `hosts`.`last_report` AS t2_r6, `hosts`.`updated_at` AS t2_r7, `hosts`.`source_file_id` AS t2_r8, `hosts`.`created_at` AS t2_r9, `hosts`.`mac` AS t2_r10, `hosts`.`root_pass` AS t2_r11, `hosts`.`serial` AS t2_r12, `hosts`.`puppet_status` AS t2_r13, `hosts`.`domain_id` AS t2_r14, `hosts`.`architecture_id` AS t2_r15, `hosts`.`operatingsystem_id` AS t2_r16, `hosts`.`environment_id` AS t2_r17, `hosts`.`subnet_id` AS t2_r18, `hosts`.`ptable_id` AS t2_r19, `hosts`.`medium_id` AS t2_r20, `hosts`.`build` AS t2_r21, `hosts`.`comment` AS t2_r22, `hosts`.`disk` AS t2_r23, `hosts`.`installed_at` AS t2_r24, `hosts`.`model_id` AS t2_r25, `hosts`.`hostgroup_id` AS t2_r26, `hosts`.`owner_id` AS t2_r27, `hosts`.`owner_type` AS t2_r28, `hosts`.`enabled` AS t2_r29, `hosts`.`puppet_ca_proxy_id` AS t2_r30, `hosts`.`managed` AS t2_r31, `hosts`.`use_image` AS t2_r32, `hosts`.`image_file` AS t2_r33, `hosts`.`uuid` AS t2_r34, `hosts`.`compute_resource_id` AS t2_r35, `hosts`.`puppet_proxy_id` AS t2_r36, `hosts`.`certname` AS t2_r37, `hosts`.`image_id` AS t2_r38, `hosts`.`organization_id` AS t2_r39, `hosts`.`location_id` AS t2_r40, `hosts`.`type` AS t2_r41 FROM `fact_values` LEFT OUTER JOIN `fact_names` ON `fact_names`.`id` = `fact_values`.`fact_name_id` LEFT OUTER JOIN `hosts` ON `hosts`.`id` = `fact_values`.`host_id` AND `hosts`.`type` IN ('Host::Managed') WHERE (fact_names.name <> '_timestamp') ORDER BY `fact_values`.`value` ASC LIMIT 20 OFFSET 0
   (1001.3ms)  SELECT COUNT(DISTINCT `fact_values`.`id`) FROM `fact_values` LEFT OUTER JOIN `fact_names` ON `fact_names`.`id` = `fact_values`.`fact_name_id` LEFT OUTER JOIN `hosts` ON `hosts`.`id` = `fact_values`.`host_id` AND `hosts`.`type` IN ('Host::Managed') WHERE (fact_names.name <> '_timestamp')
  Rendered fact_values/index.html.erb within layouts/application (2128.0ms)
Cache read: use_gravatar
  Rendered home/_user_dropdown.html.erb (1.6ms)
Cache read: views/tabs_and_title_records-9
Read fragment views/tabs_and_title_records-9 (0.4ms)
  Rendered home/_topbar.html.erb (1.6ms)
  Bookmark Load (0.6ms)  SELECT `bookmarks`.* FROM `bookmarks` WHERE (((bookmarks.public = 1) OR (bookmarks.owner_id = 9 AND bookmarks.owner_type = 'User'))) AND (controller = 'fact_values') ORDER BY name
  Rendered common/_searchbar.erb (3.2ms)
Completed 200 OK in 2146ms (Views: 55.6ms | ActiveRecord: 2083.9ms)
Cache write: _session_id:675cde73f41b286d1490adb366147d9c ({:expires_in=>nil})
Cache read: https://foreman2-unprotected.example.com/fact_values/auto_complete_search?search=+host.hostgroup+%3D+web
Started GET "/fact_values/auto_complete_search?search=+host.hostgroup+%3D+web" for 192.168.200.11 at 2013-07-10 09:48:16 +0200
Cache read: _session_id:675cde73f41b286d1490adb366147d9c
Processing by FactValuesController#auto_complete_search as JSON
  Parameters: {"search"=>" host.hostgroup = web"}
  User Load (0.9ms)  SELECT `users`.* FROM `users` WHERE `users`.`id` = ? LIMIT 1  [["id", 9]]
Setting current user thread-local variable to rvrignaud
Cache read: authorize_login_delegation
Cache read: authorize_login_delegation_api
  Setting Load (0.7ms)  SELECT `settings`.* FROM `settings` WHERE `settings`.`name` = 'authorize_login_delegation_api' ORDER BY name LIMIT 1
Cache write: authorize_login_delegation_api
Cache read: authorize_login_delegation
Cache read: authorize_login_delegation_api
Operation FAILED: undefined method `klass' for nil:NilClass
/opt/foreman/vendor/ruby/1.9.1/gems/scoped_search-2.6.0/lib/scoped_search/query_builder.rb:340:in `reflection_keys'
/opt/foreman/vendor/ruby/1.9.1/gems/scoped_search-2.6.0/lib/scoped_search/query_builder.rb:252:in `has_many_through_join'
/opt/foreman/vendor/ruby/1.9.1/gems/scoped_search-2.6.0/lib/scoped_search/query_builder.rb:227:in `sql_test'
/opt/foreman/vendor/ruby/1.9.1/gems/scoped_search-2.6.0/lib/scoped_search/query_builder.rb:429:in `to_single_field_sql'
/opt/foreman/vendor/ruby/1.9.1/gems/scoped_search-2.6.0/lib/scoped_search/query_builder.rb:441:in `to_sql'
/opt/foreman/vendor/ruby/1.9.1/gems/scoped_search-2.6.0/lib/scoped_search/query_builder.rb:54:in `build_find_params'
/opt/foreman/vendor/ruby/1.9.1/gems/scoped_search-2.6.0/lib/scoped_search/query_builder.rb:25:in `build_query'
/opt/foreman/vendor/ruby/1.9.1/gems/scoped_search-2.6.0/lib/scoped_search/auto_complete_builder.rb:88:in `is_query_valid'
/opt/foreman/vendor/ruby/1.9.1/gems/scoped_search-2.6.0/lib/scoped_search/auto_complete_builder.rb:38:in `build_autocomplete_options'
/opt/foreman/vendor/ruby/1.9.1/gems/scoped_search-2.6.0/lib/scoped_search/auto_complete_builder.rb:22:in `auto_complete'
/opt/foreman/vendor/ruby/1.9.1/gems/scoped_search-2.6.0/lib/scoped_search/definition.rb:273:in `complete_for'
/opt/foreman/lib/foreman/controller/auto_complete_search.rb:5:in `auto_complete_search'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_controller/metal/implicit_render.rb:4:in `send_action'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/abstract_controller/base.rb:167:in `process_action'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_controller/metal/rendering.rb:10:in `process_action'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/abstract_controller/callbacks.rb:18:in `block in process_action'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:527:in `block (3 levels) in _run__673705099494661614__process_action__3126497066867904335__callbacks'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:215:in `block in _conditional_callback_around_4547'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:326:in `around'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:310:in `_callback_around_1331'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:214:in `_conditional_callback_around_4547'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:526:in `block (2 levels) in _run__673705099494661614__process_action__3126497066867904335__callbacks'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:215:in `block in _conditional_callback_around_4546'
/opt/foreman/lib/foreman/thread_session.rb:31:in `clear_thread'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:214:in `_conditional_callback_around_4546'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:415:in `block in _run__673705099494661614__process_action__3126497066867904335__callbacks'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:215:in `block in _conditional_callback_around_4545'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:326:in `around'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:310:in `_callback_around_13'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:214:in `_conditional_callback_around_4545'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:414:in `_run__673705099494661614__process_action__3126497066867904335__callbacks'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:405:in `__run_callback'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:385:in `_run_process_action_callbacks'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:81:in `run_callbacks'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/abstract_controller/callbacks.rb:17:in `process_action'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_controller/metal/rescue.rb:29:in `process_action'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_controller/metal/instrumentation.rb:30:in `block in process_action'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/notifications.rb:123:in `block in instrument'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/notifications.rb:123:in `instrument'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_controller/metal/instrumentation.rb:29:in `process_action'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_controller/metal/params_wrapper.rb:207:in `process_action'
/opt/foreman/vendor/ruby/1.9.1/gems/activerecord-3.2.13/lib/active_record/railties/controller_runtime.rb:18:in `process_action'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/abstract_controller/base.rb:121:in `process'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/abstract_controller/rendering.rb:45:in `process'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_controller/metal.rb:203:in `dispatch'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_controller/metal.rb:246:in `block in action'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_dispatch/routing/route_set.rb:73:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_dispatch/routing/route_set.rb:73:in `dispatch'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_dispatch/routing/route_set.rb:36:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/journey-1.0.4/lib/journey/router.rb:68:in `block in call'
/opt/foreman/vendor/ruby/1.9.1/gems/journey-1.0.4/lib/journey/router.rb:56:in `each'
/opt/foreman/vendor/ruby/1.9.1/gems/journey-1.0.4/lib/journey/router.rb:56:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_dispatch/routing/route_set.rb:612:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/apipie-rails-0.0.16/lib/apipie/static_dispatcher.rb:56:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/rack-openid-1.3.1/lib/rack/openid.rb:98:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/rack-1.4.5/lib/rack/etag.rb:23:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/rack-1.4.5/lib/rack/conditionalget.rb:25:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_dispatch/middleware/head.rb:14:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_dispatch/middleware/params_parser.rb:21:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_dispatch/middleware/flash.rb:242:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/rack-1.4.5/lib/rack/session/abstract/id.rb:210:in `context'
/opt/foreman/vendor/ruby/1.9.1/gems/rack-1.4.5/lib/rack/session/abstract/id.rb:205:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_dispatch/middleware/cookies.rb:341:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/activerecord-3.2.13/lib/active_record/query_cache.rb:64:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/connection_pool.rb:479:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_dispatch/middleware/callbacks.rb:28:in `block in call'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:405:in `_run__2012018634721837771__call__3265210282948543450__callbacks'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:405:in `__run_callback'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:385:in `_run_call_callbacks'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/callbacks.rb:81:in `run_callbacks'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_dispatch/middleware/callbacks.rb:27:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_dispatch/middleware/remote_ip.rb:31:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/railties-3.2.13/lib/rails/rack/logger.rb:32:in `call_app'
/opt/foreman/vendor/ruby/1.9.1/gems/railties-3.2.13/lib/rails/rack/logger.rb:16:in `block in call'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/tagged_logging.rb:22:in `tagged'
/opt/foreman/vendor/ruby/1.9.1/gems/railties-3.2.13/lib/rails/rack/logger.rb:16:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_dispatch/middleware/request_id.rb:22:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/rack-1.4.5/lib/rack/methodoverride.rb:21:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/rack-1.4.5/lib/rack/runtime.rb:17:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/cache/strategy/local_cache.rb:72:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/rack-1.4.5/lib/rack/lock.rb:15:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_dispatch/middleware/static.rb:63:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:136:in `forward'
/opt/foreman/vendor/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:245:in `fetch'
/opt/foreman/vendor/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:185:in `lookup'
/opt/foreman/vendor/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:66:in `call!'
/opt/foreman/vendor/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:51:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/railties-3.2.13/lib/rails/engine.rb:479:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/railties-3.2.13/lib/rails/application.rb:223:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/railties-3.2.13/lib/rails/railtie/configurable.rb:30:in `method_missing'
/opt/foreman/vendor/ruby/1.9.1/gems/rack-1.4.5/lib/rack/builder.rb:134:in `call'
/opt/foreman/vendor/ruby/1.9.1/gems/rack-1.4.5/lib/rack/urlmap.rb:64:in `block in call'
/opt/foreman/vendor/ruby/1.9.1/gems/rack-1.4.5/lib/rack/urlmap.rb:49:in `each'
/opt/foreman/vendor/ruby/1.9.1/gems/rack-1.4.5/lib/rack/urlmap.rb:49:in `call'
/usr/lib/ruby/vendor_ruby/phusion_passenger/rack/request_handler.rb:96:in `process_request'
/usr/lib/ruby/vendor_ruby/phusion_passenger/abstract_request_handler.rb:516:in `accept_and_process_next_request'
/usr/lib/ruby/vendor_ruby/phusion_passenger/abstract_request_handler.rb:274:in `main_loop'
/usr/lib/ruby/vendor_ruby/phusion_passenger/rack/application_spawner.rb:206:in `start_request_handler'
/usr/lib/ruby/vendor_ruby/phusion_passenger/rack/application_spawner.rb:171:in `block in handle_spawn_application'
/usr/lib/ruby/vendor_ruby/phusion_passenger/utils.rb:479:in `safe_fork'
/usr/lib/ruby/vendor_ruby/phusion_passenger/rack/application_spawner.rb:166:in `handle_spawn_application'
/usr/lib/ruby/vendor_ruby/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
/usr/lib/ruby/vendor_ruby/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
/usr/lib/ruby/vendor_ruby/phusion_passenger/abstract_server.rb:180:in `start'
/usr/lib/ruby/vendor_ruby/phusion_passenger/rack/application_spawner.rb:129:in `start'
/usr/lib/ruby/vendor_ruby/phusion_passenger/spawn_manager.rb:253:in `block (2 levels) in spawn_rack_application'
/usr/lib/ruby/vendor_ruby/phusion_passenger/abstract_server_collection.rb:132:in `lookup_or_add'
/usr/lib/ruby/vendor_ruby/phusion_passenger/spawn_manager.rb:246:in `block in spawn_rack_application'
/usr/lib/ruby/vendor_ruby/phusion_passenger/abstract_server_collection.rb:82:in `block in synchronize'
<internal:prelude>:10:in `synchronize'
/usr/lib/ruby/vendor_ruby/phusion_passenger/abstract_server_collection.rb:79:in `synchronize'
/usr/lib/ruby/vendor_ruby/phusion_passenger/spawn_manager.rb:244:in `spawn_rack_application'
/usr/lib/ruby/vendor_ruby/phusion_passenger/spawn_manager.rb:137:in `spawn_application'
/usr/lib/ruby/vendor_ruby/phusion_passenger/spawn_manager.rb:275:in `handle_spawn_application'
/usr/lib/ruby/vendor_ruby/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
/usr/lib/ruby/vendor_ruby/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
/usr/share/phusion-passenger/helper-scripts/passenger-spawn-server:99:in `<main>'
  Rendered common/500.html.erb (3.3ms)
Completed 500 Internal Server Error in 113ms (Views: 5.3ms | ActiveRecord: 1.6ms)
Cache write: _session_id:675cde73f41b286d1490adb366147d9c ({:expires_in=>nil})