突然开始在我正在进行的项目中为特定控制器的所有操作获取“实习空字符串”。这工作正常，然后我开始改变一些位，它破了，我现在似乎无法解决它。我已经将所有代码回滚到我之前进行任何更改的github版本，但似乎没有解决问题。
非常感谢任何帮助。
错误：
ArgumentError in Equipment itemsController#index
interning empty string
RAILS_ROOT: /Users/peterroome/Sites/Enso-Intranet
Application Trace | Framework Trace | Full Trace
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/template.rb:226:in `to_sym'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/template.rb:226:in `valid_locale?'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/template.rb:243:in `parse_extensions'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/template.rb:233:in `split'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/template.rb:118:in `initialize'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/reloadable_template.rb:81:in `initialize'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/reloadable_template.rb:38:in `new'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/reloadable_template.rb:38:in `register_template_from_file'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/reloadable_template.rb:62:in `load_all_templates_from_dir'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/reloadable_template.rb:62:in `each'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/reloadable_template.rb:62:in `load_all_templates_from_dir'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/reloadable_template.rb:29:in `[]'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/paths.rb:48:in `find_template'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/paths.rb:47:in `each'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/paths.rb:47:in `find_template'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/base.rb:1389:in `default_template'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/layout.rb:265:in `candidate_for_layout?'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/layout.rb:245:in `pick_layout'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/base.rb:915:in `render_without_benchmark'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/benchmarking.rb:51:in `render'
/Library/Ruby/Gems/1.8/gems/activesupport-2.3.9/lib/active_support/core_ext/benchmark.rb:17:in `ms'
/Library/Ruby/Gems/1.8/gems/activesupport-2.3.9/lib/active_support/core_ext/benchmark.rb:17:in `ms'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/benchmarking.rb:51:in `render'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/mime_responds.rb:135:in `send'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/mime_responds.rb:135:in `custom'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/mime_responds.rb:179:in `call'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/mime_responds.rb:179:in `respond'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/mime_responds.rb:173:in `each'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/mime_responds.rb:173:in `respond'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/mime_responds.rb:107:in `respond_to'
/Users/peterroome/Sites/Enso-Intranet/app/controllers/equipment_items_controller.rb:14:in `index'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/base.rb:1331:in `send'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/base.rb:1331:in `perform_action_without_filters'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/filters.rb:617:in `call_filters'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/filters.rb:610:in `perform_action_without_benchmark'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue'
/Library/Ruby/Gems/1.8/gems/activesupport-2.3.9/lib/active_support/core_ext/benchmark.rb:17:in `ms'
/Library/Ruby/Gems/1.8/gems/activesupport-2.3.9/lib/active_support/core_ext/benchmark.rb:17:in `ms'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/rescue.rb:160:in `perform_action_without_flash'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/flash.rb:151:in `perform_action'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/base.rb:532:in `send'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/base.rb:532:in `process_without_filters'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/filters.rb:606:in `process'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/base.rb:391:in `process'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/base.rb:386:in `call'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/routing/route_set.rb:438:in `call'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/benchmark.rb:308:in `realtime'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/benchmark.rb:308:in `realtime'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/dispatcher.rb:87:in `dispatch'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/dispatcher.rb:121:in `_call'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/dispatcher.rb:130:in `build_middleware_stack'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/rack_static_bug_avoider.rb:10:in `call'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/redirect_interceptor.rb:11:in `call'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/panel.rb:23:in `call'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/panel.rb:23:in `call'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/panel.rb:23:in `call'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/panels/timer_panel.rb:15:in `call'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/benchmark.rb:293:in `measure'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/panels/timer_panel.rb:14:in `call'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/panel.rb:23:in `call'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/toolbar.rb:17:in `call'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug.rb:42:in `call'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/dispatcher.rb:114:in `call'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/dispatcher.rb:108:in `call'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:159:in `process_client'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:158:in `each'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:158:in `process_client'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in `run'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in `initialize'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in `new'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in `run'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in `initialize'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in `new'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in `run'
/Library/Ruby/Site/1.8/rubygems/custom_require.rb:29:in `gem_original_require'
/Library/Ruby/Site/1.8/rubygems/custom_require.rb:29:in `require'
script/server:3
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/template.rb:226:in `to_sym'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/template.rb:226:in `valid_locale?'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/template.rb:243:in `parse_extensions'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/template.rb:233:in `split'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/template.rb:118:in `initialize'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/reloadable_template.rb:81:in `initialize'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/reloadable_template.rb:38:in `new'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/reloadable_template.rb:38:in `register_template_from_file'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/reloadable_template.rb:62:in `load_all_templates_from_dir'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/reloadable_template.rb:62:in `each'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/reloadable_template.rb:62:in `load_all_templates_from_dir'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/reloadable_template.rb:29:in `[]'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/paths.rb:48:in `find_template'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/paths.rb:47:in `each'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_view/paths.rb:47:in `find_template'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/base.rb:1389:in `default_template'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/layout.rb:265:in `candidate_for_layout?'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/layout.rb:245:in `pick_layout'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/base.rb:915:in `render_without_benchmark'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/benchmarking.rb:51:in `render'
/Library/Ruby/Gems/1.8/gems/activesupport-2.3.9/lib/active_support/core_ext/benchmark.rb:17:in `ms'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/benchmark.rb:308:in `realtime'
/Library/Ruby/Gems/1.8/gems/activesupport-2.3.9/lib/active_support/core_ext/benchmark.rb:17:in `ms'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/benchmarking.rb:51:in `render'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/mime_responds.rb:135:in `send'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/mime_responds.rb:135:in `custom'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/mime_responds.rb:179:in `call'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/mime_responds.rb:179:in `respond'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/mime_responds.rb:173:in `each'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/mime_responds.rb:173:in `respond'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/mime_responds.rb:107:in `respond_to'
/Users/peterroome/Sites/Enso-Intranet/app/controllers/equipment_items_controller.rb:14:in `index'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/base.rb:1331:in `send'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/base.rb:1331:in `perform_action_without_filters'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/filters.rb:617:in `call_filters'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/filters.rb:610:in `perform_action_without_benchmark'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue'
/Library/Ruby/Gems/1.8/gems/activesupport-2.3.9/lib/active_support/core_ext/benchmark.rb:17:in `ms'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/benchmark.rb:308:in `realtime'
/Library/Ruby/Gems/1.8/gems/activesupport-2.3.9/lib/active_support/core_ext/benchmark.rb:17:in `ms'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/rescue.rb:160:in `perform_action_without_flash'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/flash.rb:151:in `perform_action'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/base.rb:532:in `send'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/base.rb:532:in `process_without_filters'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/filters.rb:606:in `process'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/base.rb:391:in `process'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/base.rb:386:in `call'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/routing/route_set.rb:438:in `call'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/dispatcher.rb:87:in `dispatch'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/dispatcher.rb:121:in `_call'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/dispatcher.rb:130:in `build_middleware_stack'
/Library/Ruby/Gems/1.8/gems/activerecord-2.3.9/lib/active_record/query_cache.rb:29:in `call'
/Library/Ruby/Gems/1.8/gems/activerecord-2.3.9/lib/active_record/query_cache.rb:29:in `call'
/Library/Ruby/Gems/1.8/gems/activerecord-2.3.9/lib/active_record/connection_adapters/abstract/query_cache.rb:34:in `cache'
/Library/Ruby/Gems/1.8/gems/activerecord-2.3.9/lib/active_record/query_cache.rb:9:in `cache'
/Library/Ruby/Gems/1.8/gems/activerecord-2.3.9/lib/active_record/query_cache.rb:28:in `call'
/Library/Ruby/Gems/1.8/gems/activerecord-2.3.9/lib/active_record/connection_adapters/abstract/connection_pool.rb:361:in `call'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/static.rb:33:in `call'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/rack_static_bug_avoider.rb:10:in `call'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/redirect_interceptor.rb:11:in `call'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/panel.rb:23:in `call'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/cascade.rb:23:in `call'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/cascade.rb:22:in `each'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/cascade.rb:22:in `call'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/panel.rb:23:in `call'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/cascade.rb:23:in `call'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/cascade.rb:22:in `each'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/cascade.rb:22:in `call'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/panel.rb:23:in `call'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/panels/timer_panel.rb:15:in `call'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/benchmark.rb:293:in `measure'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/panels/timer_panel.rb:14:in `call'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/panel.rb:23:in `call'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/builder.rb:77:in `call'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug/toolbar.rb:17:in `call'
/Users/peterroome/Sites/Enso-Intranet/vendor/plugins/rack-bug/lib/rack/bug.rb:42:in `call'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/string_coercion.rb:25:in `call'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/head.rb:9:in `call'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/methodoverride.rb:24:in `call'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/params_parser.rb:15:in `call'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/session/cookie_store.rb:100:in `call'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/failsafe.rb:26:in `call'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/lock.rb:11:in `call'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/lock.rb:11:in `synchronize'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/lock.rb:11:in `call'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/dispatcher.rb:114:in `call'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/reloader.rb:34:in `run'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.9/lib/action_controller/dispatcher.rb:108:in `call'
/Library/Ruby/Gems/1.8/gems/rails-2.3.9/lib/rails/rack/static.rb:31:in `call'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/urlmap.rb:47:in `call'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/urlmap.rb:41:in `each'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/urlmap.rb:41:in `call'
/Library/Ruby/Gems/1.8/gems/rails-2.3.9/lib/rails/rack/log_tailer.rb:17:in `call'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/content_length.rb:13:in `call'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/chunked.rb:15:in `call'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/handler/mongrel.rb:67:in `process'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:159:in `process_client'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:158:in `each'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:158:in `process_client'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in `run'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in `initialize'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in `new'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in `run'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in `initialize'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in `new'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in `run'
/Library/Ruby/Gems/1.8/gems/rack-1.1.0/lib/rack/handler/mongrel.rb:38:in `run'
/Library/Ruby/Gems/1.8/gems/rails-2.3.9/lib/commands/server.rb:111
/Library/Ruby/Site/1.8/rubygems/custom_require.rb:29:in `gem_original_require'
/Library/Ruby/Site/1.8/rubygems/custom_require.rb:29:in `require'
script/server:3
Request
Parameters:
{"type"=>"Tank"}
Show session dump
---
Response
Headers:
{"Content-Type"=>"text/html",
"Cache-Control"=>"no-cache"}
控制器：
class EquipmentItemsController < ApplicationController
# Before filters
#
before_filter :body_id, :load_user, :equipment_types
def index
if params[:type]
equipment_items = EquipmentItem.by_type(params[:type])
else
equipment_items = EquipmentItem.find(:all)
end
@equipment_items = equipment_items.paginate(:page => params[:page])
@equipment_items_count = equipment_items.count
respond_to do |format|
format.html # index.html.erb
format.xml { render :xml => @equipment_items }
end
end
def show
@equipment_item = EquipmentItem.find(params[:id])
respond_to do |format|
format.html # show.html.erb
format.xml { render :xml => @equipment_item }
end
end
def new
@equipment_item = EquipmentItem.new
respond_to do |format|
format.html # new.html.erb
format.xml { render :xml => @equipment_item }
end
end
def edit
@equipment_item = EquipmentItem.find(params[:id])
end
def create
@equipment_item = EquipmentItem.new(params[:equipment_item])
respond_to do |format|
if @equipment_item.save
format.html { redirect_to(@equipment_item, :notice => 'EquipmentItem was successfully created.') }
format.xml { render :xml => @equipment_item, :status => :created, :location => @equipment_item }
else
format.html { render :action => "new" }
format.xml { render :xml => @equipment_item.errors, :status => :unprocessable_entity }
end
end
end
def update
@equipment_item = EquipmentItem.find(params[:id])
respond_to do |format|
if @equipment_item.update_attributes(params[:equipment_item])
format.html { redirect_to(@equipment_item, :notice => 'EquipmentItem was successfully updated.') }
format.xml { head :ok }
else
format.html { render :action => "edit" }
format.xml { render :xml => @equipment_item.errors, :status => :unprocessable_entity }
end
end
end
def destroy
@equipment_item = EquipmentItem.find(params[:id])
@equipment_item.destroy
respond_to do |format|
format.html { redirect_to(equipment_items_url) }
format.xml { head :ok }
end
end
protected
def body_id
@body_id = "body_equipment"
end
def load_user
@current_user = current_user
end
def equipment_types
@equipment_types = SitePreferences::EQUIPMENT_TYPES.collect{ |type| type }
end
end
型号：
class EquipmentItem < ActiveRecord::Base
# Pagination setup
cattr_reader :per_page
@@per_page = 20
# Validation
validates_uniqueness_of :name
validates_presence_of :name, :type
# Named scopes
named_scope :by_type,
lambda { |type| {
:conditions => ["equipment_type = ?", type],
:order => "name ASC"
}}
# Instance methods
def to_s
name
end
end
查看（不太重要，我认为因为代码没有像渲染页面那样）：
<h1>Hello World</h1>
我已经玩了几个小时了，这个错误似乎在response_to代码之后和动作'end'之前呈现的动作结束时正确。
答案 0 :(得分：4)
你的模板目录中有什么？您的某个模板似乎有一个空的区域设置，导致模板引擎发生故障。
答案 1 :(得分：2)
我认为在Ruby 1.9上允许实习空字符串，但在Ruby 1.8上则不允许。虽然这对您来说似乎不是问题，但这可以解释为什么错误似乎突然发生。