Hey guys. Rack gets crazy when you pass invalid UTF-8 string.
You can try with putting this into app URL:
It will brake app with this error: ArgumentError: invalid byte sequence in UTF-8
More details also here: http://dev.mensfeld.pl/2014/03/rack-argument-error-invalid-byte-sequence-in-utf-8/
rack-1.5.2/lib/rack/utils.rb:104→ normalize_params
rack-1.5.2/lib/rack/utils.rb:96→ block in parse_nested_query
rack-1.5.2/lib/rack/utils.rb:93→ each
rack-1.5.2/lib/rack/utils.rb:93→ parse_nested_query
rack-1.5.2/lib/rack/request.rb:373→ parse_query
actionpack-4.0.4/lib/action_dispatch/http/request.rb:321→ parse_query
rack-1.5.2/lib/rack/request.rb:188→ GET
actionpack-4.0.4/lib/action_dispatch/http/request.rb:274→ GET
actionpack-4.0.4/lib/action_dispatch/http/parameters.rb:16→ parameters
actionpack-4.0.4/lib/action_dispatch/http/filter_parameters.rb:37→ filtered_parameters
actionpack-4.0.4/lib/action_controller/metal/instrumentation.rb:22→ process_action
actionpack-4.0.4/lib/action_controller/metal/params_wrapper.rb:250→ process_action
activerecord-4.0.4/lib/active_record/railties/controller_runtime.rb:18→ process_action
actionpack-4.0.4/lib/abstract_controller/base.rb:136→ process
actionpack-4.0.4/lib/abstract_controller/rendering.rb:44→ process
actionpack-4.0.4/lib/action_controller/metal.rb:195→ dispatch
actionpack-4.0.4/lib/action_controller/metal/rack_delegation.rb:13→ dispatch
actionpack-4.0.4/lib/action_controller/metal.rb:231→ block in action
actionpack-4.0.4/lib/action_dispatch/routing/route_set.rb:80→ call
actionpack-4.0.4/lib/action_dispatch/routing/route_set.rb:80→ dispatch
actionpack-4.0.4/lib/action_dispatch/routing/route_set.rb:48→ call
actionpack-4.0.4/lib/action_dispatch/journey/router.rb:71→ block in call
actionpack-4.0.4/lib/action_dispatch/journey/router.rb:59→ each
actionpack-4.0.4/lib/action_dispatch/journey/router.rb:59→ call
actionpack-4.0.4/lib/action_dispatch/routing/route_set.rb:674→ call
omniauth-1.2.1/lib/omniauth/strategy.rb:186→ call!
omniauth-1.2.1/lib/omniauth/strategy.rb:164→ call
rack-canonical-host-0.0.9/lib/rack/canonical_host.rb:19→ call
warden-1.2.3/lib/warden/manager.rb:35→ block in call
warden-1.2.3/lib/warden/manager.rb:34→ catch
warden-1.2.3/lib/warden/manager.rb:34→ call
rack-1.5.2/lib/rack/etag.rb:23→ call
rack-1.5.2/lib/rack/conditionalget.rb:25→ call
rack-1.5.2/lib/rack/head.rb:11→ call
actionpack-4.0.4/lib/action_dispatch/middleware/params_parser.rb:27→ call
actionpack-4.0.4/lib/action_dispatch/middleware/flash.rb:241→ call
rack-1.5.2/lib/rack/session/abstract/id.rb:225→ context
rack-1.5.2/lib/rack/session/abstract/id.rb:220→ call
actionpack-4.0.4/lib/action_dispatch/middleware/cookies.rb:486→ call
activerecord-4.0.4/lib/active_record/query_cache.rb:36→ call
activerecord-4.0.4/lib/active_record/connection_adapters/abstract/connection_pool.rb:626→ call
actionpack-4.0.4/lib/action_dispatch/middleware/callbacks.rb:29→ block in call
activesupport-4.0.4/lib/active_support/callbacks.rb:373→ _run__FRAGMENT__call__callbacks
activesupport-4.0.4/lib/active_support/callbacks.rb:80→ run_callbacks
actionpack-4.0.4/lib/action_dispatch/middleware/callbacks.rb:27→ call
actionpack-4.0.4/lib/action_dispatch/middleware/remote_ip.rb:76→ call
actionpack-4.0.4/lib/action_dispatch/middleware/debug_exceptions.rb:17→ call
actionpack-4.0.4/lib/action_dispatch/middleware/show_exceptions.rb:30→ call
railties-4.0.4/lib/rails/rack/logger.rb:38→ call_app
railties-4.0.4/lib/rails/rack/logger.rb:20→ block in call
activesupport-4.0.4/lib/active_support/tagged_logging.rb:68→ block in tagged
activesupport-4.0.4/lib/active_support/tagged_logging.rb:26→ tagged
activesupport-4.0.4/lib/active_support/tagged_logging.rb:68→ tagged
railties-4.0.4/lib/rails/rack/logger.rb:20→ call
actionpack-4.0.4/lib/action_dispatch/middleware/request_id.rb:21→ call
rack-1.5.2/lib/rack/methodoverride.rb:21→ call
rack-1.5.2/lib/rack/runtime.rb:17→ call
activesupport-4.0.4/lib/active_support/cache/strategy/local_cache.rb:83→ call
rack-1.5.2/lib/rack/sendfile.rb:112→ call
railties-4.0.4/lib/rails/engine.rb:511→ call
railties-4.0.4/lib/rails/application.rb:97→ call
railties-4.0.4/lib/rails/railtie/configurable.rb:30→ method_missing
puma-2.7.1/lib/puma/configuration.rb:68→ call
puma-2.7.1/lib/puma/server.rb:486→ handle_request
puma-2.7.1/lib/puma/server.rb:357→ process_client
puma-2.7.1/lib/puma/server.rb:250→ block in run
puma-2.7.1/lib/puma/thread_pool.rb:92→ call
puma-2.7.1/lib/puma/thread_pool.rb:92→ block in spawn_thread
Hey guys. Rack gets crazy when you pass invalid UTF-8 string.
You can try with putting this into app URL:
It will brake app with this error: ArgumentError: invalid byte sequence in UTF-8
More details also here: http://dev.mensfeld.pl/2014/03/rack-argument-error-invalid-byte-sequence-in-utf-8/