Is there an easy way to reverse the stack trace when printed by puma? It's quite tedious scroll up the whole stack trace just to see that you have made a typo. Here is an example:
uninitialized constant Treasure
/workspace/app/graphql/types/query_type.rb:7:in `<class:QueryType>'
/workspace/app/graphql/types/query_type.rb:3:in `<module:Types>'
/workspace/app/graphql/types/query_type.rb:1:in `<main>'
/usr/local/bundle/gems/bootsnap-1.7.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
/usr/local/bundle/gems/bootsnap-1.7.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
/usr/local/bundle/gems/bootsnap-1.7.5/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
/usr/local/bundle/gems/bootsnap-1.7.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
/usr/local/bundle/gems/bootsnap-1.7.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
/usr/local/bundle/gems/zeitwerk-2.4.2/lib/zeitwerk/kernel.rb:26:in `require'
/workspace/app/graphql/workspace_schema.rb:3:in `<class:WorkspaceSchema>'
/workspace/app/graphql/workspace_schema.rb:1:in `<main>'
/usr/local/bundle/gems/bootsnap-1.7.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
/usr/local/bundle/gems/bootsnap-1.7.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
/usr/local/bundle/gems/bootsnap-1.7.5/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
/usr/local/bundle/gems/bootsnap-1.7.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
/usr/local/bundle/gems/bootsnap-1.7.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
/usr/local/bundle/gems/zeitwerk-2.4.2/lib/zeitwerk/kernel.rb:26:in `require'
/workspace/app/controllers/graphql_controller.rb:12:in `execute'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_controller/metal/basic_implicit_render.rb:6:in `send_action'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/abstract_controller/base.rb:228:in `process_action'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_controller/metal/rendering.rb:30:in `process_action'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/abstract_controller/callbacks.rb:42:in `block in process_action'
/usr/local/bundle/gems/activesupport-6.1.3.2/lib/active_support/callbacks.rb:106:in `run_callbacks'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/abstract_controller/callbacks.rb:41:in `process_action'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_controller/metal/rescue.rb:22:in `process_action'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_controller/metal/instrumentation.rb:34:in `block in process_action'
/usr/local/bundle/gems/activesupport-6.1.3.2/lib/active_support/notifications.rb:203:in `block in instrument'
/usr/local/bundle/gems/activesupport-6.1.3.2/lib/active_support/notifications/instrumenter.rb:24:in `instrument'
/usr/local/bundle/gems/activesupport-6.1.3.2/lib/active_support/notifications.rb:203:in `instrument'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_controller/metal/instrumentation.rb:33:in `process_action'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_controller/metal/params_wrapper.rb:249:in `process_action'
/usr/local/bundle/gems/activerecord-6.1.3.2/lib/active_record/railties/controller_runtime.rb:27:in `process_action'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/abstract_controller/base.rb:165:in `process'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_controller/metal.rb:190:in `dispatch'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_controller/metal.rb:254:in `dispatch'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_dispatch/routing/route_set.rb:50:in `dispatch'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_dispatch/routing/route_set.rb:33:in `serve'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_dispatch/journey/router.rb:50:in `block in serve'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_dispatch/journey/router.rb:32:in `each'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_dispatch/journey/router.rb:32:in `serve'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_dispatch/routing/route_set.rb:842:in `call'
/usr/local/bundle/gems/warden-1.2.9/lib/warden/manager.rb:36:in `block in call'
/usr/local/bundle/gems/warden-1.2.9/lib/warden/manager.rb:34:in `catch'
/usr/local/bundle/gems/warden-1.2.9/lib/warden/manager.rb:34:in `call'
/usr/local/bundle/gems/rack-2.2.3/lib/rack/etag.rb:27:in `call'
/usr/local/bundle/gems/rack-2.2.3/lib/rack/conditional_get.rb:40:in `call'
/usr/local/bundle/gems/rack-2.2.3/lib/rack/head.rb:12:in `call'
/usr/local/bundle/gems/activerecord-6.1.3.2/lib/active_record/migration.rb:601:in `call'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_dispatch/middleware/callbacks.rb:27:in `block in call'
/usr/local/bundle/gems/activesupport-6.1.3.2/lib/active_support/callbacks.rb:98:in `run_callbacks'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_dispatch/middleware/callbacks.rb:26:in `call'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_dispatch/middleware/executor.rb:14:in `call'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_dispatch/middleware/actionable_exceptions.rb:18:in `call'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_dispatch/middleware/debug_exceptions.rb:29:in `call'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_dispatch/middleware/show_exceptions.rb:33:in `call'
/usr/local/bundle/gems/railties-6.1.3.2/lib/rails/rack/logger.rb:37:in `call_app'
/usr/local/bundle/gems/railties-6.1.3.2/lib/rails/rack/logger.rb:26:in `block in call'
/usr/local/bundle/gems/activesupport-6.1.3.2/lib/active_support/tagged_logging.rb:99:in `block in tagged'
/usr/local/bundle/gems/activesupport-6.1.3.2/lib/active_support/tagged_logging.rb:37:in `tagged'
/usr/local/bundle/gems/activesupport-6.1.3.2/lib/active_support/tagged_logging.rb:99:in `tagged'
/usr/local/bundle/gems/railties-6.1.3.2/lib/rails/rack/logger.rb:26:in `call'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_dispatch/middleware/remote_ip.rb:81:in `call'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_dispatch/middleware/request_id.rb:26:in `call'
/usr/local/bundle/gems/rack-2.2.3/lib/rack/runtime.rb:22:in `call'
/usr/local/bundle/gems/activesupport-6.1.3.2/lib/active_support/cache/strategy/local_cache_middleware.rb:29:in `call'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_dispatch/middleware/executor.rb:14:in `call'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_dispatch/middleware/static.rb:24:in `call'
/usr/local/bundle/gems/rack-2.2.3/lib/rack/sendfile.rb:110:in `call'
/usr/local/bundle/gems/actionpack-6.1.3.2/lib/action_dispatch/middleware/host_authorization.rb:98:in `call'
/usr/local/bundle/gems/rack-cors-1.1.1/lib/rack/cors.rb:100:in `call'
/usr/local/bundle/gems/railties-6.1.3.2/lib/rails/engine.rb:539:in `call'
/usr/local/bundle/gems/puma-5.3.1/lib/puma/configuration.rb:249:in `call'
/usr/local/bundle/gems/puma-5.3.1/lib/puma/request.rb:76:in `block in handle_request'
/usr/local/bundle/gems/puma-5.3.1/lib/puma/thread_pool.rb:338:in `with_force_shutdown'
/usr/local/bundle/gems/puma-5.3.1/lib/puma/request.rb:75:in `handle_request'
/usr/local/bundle/gems/puma-5.3.1/lib/puma/server.rb:437:in `process_client'
/usr/local/bundle/gems/puma-5.3.1/lib/puma/thread_pool.rb:145:in `block in spawn_thread'
Completed 500 Internal Server Error in 5ms (Views: 1.0ms | ActiveRecord: 0.0ms | Allocations: 2510)
It would be much more convenient if uninitialized constant Treasure were shown at the bottom. I've done some research and it seems like it should have been implemented with Ruby 2.5. Maybe I can configure puma somehow to do this?
I'm using Ruby 3 and Rails 6.
One possibility is to add a middleware to the end of your middleware list, catch the exception there and reverse it.
module MyApp
class FlipExceptions
def initialize(app)
#app = app
end
def call(env)
return #app.call(env)
rescue StandardError => e
trace = e.backtrace.reverse
e.set_backtrace(trace)
raise e
end
end
end
Related
since yesterday, my production app starts to raise ActiveRecord::ImmutableRelation in some queries of my entire application!
I can't imagine how to gives an exact context of every error since this error occurs on random places of my application! I can't simulate this errors calling the same block of code in Rails Console, only in the controllers in production environment.
We don't change any query, I become to think this can be a bug or some change in the database configuration(?).
Did someone already get this errors? Any idea what I can search for?
Backtrace (of one error):
ActiveRecord::ImmutableRelation: ActiveRecord::ImmutableRelation
from active_record/relation/query_methods.rb:923:in `assert_mutability!'
from active_record/relation/query_methods.rb:915:in `set_value'
from active_record/relation/query_methods.rb:74:in `references_values='
from active_record/relation/query_methods.rb:176:in `references!'
from active_record/relation/merger.rb:76:in `block in merge'
from active_record/relation/merger.rb:66:in `each'
from active_record/relation/merger.rb:66:in `merge'
from active_record/relation/spawn_methods.rb:45:in `merge!'
from octopus/relation_proxy.rb:49:in `public_send'
from octopus/relation_proxy.rb:49:in `block in method_missing'
from octopus/proxy.rb:86:in `block (2 levels) in run_queries_on_shard'
from octopus/proxy.rb:345:in `using_shard'
from octopus/proxy.rb:85:in `block in run_queries_on_shard'
from octopus/proxy.rb:329:in `keeping_connection_proxy'
from octopus/proxy.rb:84:in `run_queries_on_shard'
from octopus/shard_tracking.rb:31:in `run_on_shard'
from octopus/relation_proxy.rb:45:in `method_missing'
from active_record/associations/association.rb:79:in `scope'
from active_record/associations/collection_association.rb:288:in `scope'
from active_record/associations/collection_proxy.rb:960:in `scope'
from active_record/associations/collection_proxy.rb:1130:in `order'
from octopus/relation_proxy.rb:49:in `public_send'
from octopus/relation_proxy.rb:49:in `block in method_missing'
from octopus/proxy.rb:86:in `block (2 levels) in run_queries_on_shard'
from octopus/proxy.rb:345:in `using_shard'
from octopus/proxy.rb:85:in `block in run_queries_on_shard'
from octopus/proxy.rb:329:in `keeping_connection_proxy'
from octopus/proxy.rb:84:in `run_queries_on_shard'
from octopus/shard_tracking.rb:31:in `run_on_shard'
from octopus/relation_proxy.rb:45:in `method_missing'
from app/controllers/v2/app/details_controller.rb:9:in `show'
from action_controller/metal/basic_implicit_render.rb:6:in `send_action'
from abstract_controller/base.rb:194:in `process_action'
from scout_apm/instruments/action_controller_rails_3_rails4.rb:72:in `process_action'
from action_controller/metal/rendering.rb:30:in `process_action'
from abstract_controller/callbacks.rb:42:in `block in process_action'
from active_support/callbacks.rb:109:in `block in run_callbacks'
from raven/integrations/rails/controller_transaction.rb:7:in `block in included'
from active_support/callbacks.rb:118:in `instance_exec'
from active_support/callbacks.rb:118:in `block in run_callbacks'
from active_support/callbacks.rb:136:in `run_callbacks'
from abstract_controller/callbacks.rb:41:in `process_action'
from action_controller/metal/rescue.rb:22:in `process_action'
from action_controller/metal/instrumentation.rb:34:in `block in process_action'
from active_support/notifications.rb:168:in `block in instrument'
from active_support/notifications/instrumenter.rb:23:in `instrument'
from active_support/notifications.rb:168:in `instrument'
from action_controller/metal/instrumentation.rb:32:in `process_action'
from action_controller/metal/params_wrapper.rb:256:in `process_action'
from active_record/railties/controller_runtime.rb:24:in `process_action'
from scout_apm/instruments/action_controller_rails_3_rails4.rb:94:in `process_action'
from abstract_controller/base.rb:134:in `process'
from action_controller/metal.rb:191:in `dispatch'
from action_controller/metal.rb:252:in `dispatch'
from action_dispatch/routing/route_set.rb:52:in `dispatch'
from action_dispatch/routing/route_set.rb:34:in `serve'
from action_dispatch/journey/router.rb:52:in `block in serve'
from action_dispatch/journey/router.rb:35:in `each'
from action_dispatch/journey/router.rb:35:in `serve'
from action_dispatch/routing/route_set.rb:840:in `call'
from scout_apm/instruments/rails_router.rb:29:in `call_with_scout_instruments'
from rails_api_utils/middleware/context_collect.rb:18:in `call'
from rails_api_utils/middleware/localization.rb:29:in `block (2 levels) in call'
from active_support/core_ext/time/zones.rb:66:in `use_zone'
from rails_api_utils/middleware/localization.rb:39:in `in_timezone'
from rails_api_utils/middleware/localization.rb:28:in `block in call'
from i18n.rb:297:in `with_locale'
from rails_api_utils/middleware/localization.rb:43:in `with_locale'
from rails_api_utils/middleware/localization.rb:27:in `call'
from rack/request_id.rb:30:in `block in call'
from request_id.rb:60:in `with'
from rack/request_id.rb:29:in `call'
from scout_apm/middleware.rb:17:in `call'
from request_store/middleware.rb:9:in `call'
from rack/etag.rb:25:in `call'
from rack/conditional_get.rb:25:in `call'
from rack/head.rb:12:in `call'
from action_dispatch/middleware/callbacks.rb:28:in `block in call'
from active_support/callbacks.rb:98:in `run_callbacks'
from action_dispatch/middleware/callbacks.rb:26:in `call'
from enterprise/trace_id/middlewares/rack_middleware.rb:21:in `block in call'
from enterprise/trace_id/tracer/tracer.rb:13:in `block in trace'
from <internal:prelude>:137:in `__enable'
from <internal:prelude>:137:in `enable'
from enterprise/trace_id/tracer/tracer.rb:13:in `trace'
from enterprise/trace_id/middlewares/rack_middleware.rb:21:in `call'
from action_dispatch/middleware/debug_exceptions.rb:61:in `call'
from action_dispatch/middleware/show_exceptions.rb:33:in `call'
from rails/rack/logger.rb:38:in `call_app'
from rails/rack/logger.rb:26:in `block in call'
from active_support/tagged_logging.rb:71:in `block in tagged'
from active_support/tagged_logging.rb:28:in `tagged'
from active_support/tagged_logging.rb:71:in `tagged'
from rails/rack/logger.rb:26:in `call'
from action_dispatch/middleware/remote_ip.rb:81:in `call'
from request_store/middleware.rb:9:in `call'
from action_dispatch/middleware/request_id.rb:27:in `call'
from rack/runtime.rb:22:in `call'
from active_support/cache/strategy/local_cache_middleware.rb:29:in `call'
from action_dispatch/middleware/executor.rb:14:in `call'
from rack/sendfile.rb:111:in `call'
from raven/integrations/rack.rb:51:in `call'
from scout_apm/instruments/middleware_summary.rb:58:in `call'
from rails/engine.rb:524:in `call'
from puma/configuration.rb:225:in `call'
from puma/server.rb:658:in `handle_request'
from puma/server.rb:472:in `process_client'
from puma/server.rb:332:in `block in run'
from puma/thread_pool.rb:133:in `block in spawn_thread'
Details controller code (I've omitted some enterprises model names):
# frozen_string_literal: true
class DetailsController < V2::ApplicationController
def show
model = Model.find(params[:pricing_id])
details = model.details.order(:position)
details.each { |detail| detail.model = model }
Detail.cascade_formula_arguments(details, params)
details = details.select(&:available?)
render json: details, each_serializer: ::V2::DetailSerializer
end
end
Unless you wish to modify the data I would suggest mapping this to an array of hashes... but not sure what Detail.cascade_formula_arguments(details, params) is doing so this is a guess.
I would try to convert the data to hash instead of active record object unless you really are trying to modify them so something like this:
details.each { |detail| detail.model = model }
details = details.map(&:as_json)
Updated
Based on comments by #engineersmnky, and my own thought that this line of code is likely where your problem is, can you just remove this line of code? What is its purpose? See if you can remove it.
# try to remove this from your code
details.each { |detail| detail.model = model }
I've updated to rails 4.2. When I follow up on deprecation warnings and set config.active_record.raise_in_transactional_callbacks = true in my environment, I start running into issues:
Failure/Error: Unable to find matching line from backtrace
NoMethodError:
undefined method `id' for nil:NilClass
The id refers to current_user.id, which has become unavailable (hence the warden and devise mentions in the error trace).
When removing config.active_record.raise_in_transactional_callbacks = true, deprecation warnings appear only with respect to two models that use paperclip, which leads me to believe that this might be an issue with paperclip callbacks. I could just ignore the deprecation warnings, but i'd rather fix the underlying issue. Any suggestions?
Here's an error trace:
commpleted 500 Internal Server Error in 152ms
Unexpected error while processing request: undefined method `env' for nil:NilClass
/Users/j/.rvm/gems/ruby-2.1.2/gems/devise-3.4.1/lib/devise/controllers/helpers.rb:135:in `warden'
/Users/j/.rvm/gems/ruby-2.1.2/gems/devise-3.4.1/lib/devise/controllers/helpers.rb:120:in `current_user'
/Users/j/.rvm/gems/ruby-2.1.2/gems/actionpack-4.2.0/lib/abstract_controller/helpers.rb:67:in `current_user'
/Users/j/Google Drive/rails_projects/versneller/app/views/sync/messages/_message.html.erb:48:in `_app_views_sync_messages__message_html_erb___1152654597097292680_70140856995020'
/Users/j/.rvm/gems/ruby-2.1.2/gems/actionview-4.2.0/lib/action_view/template.rb:145:in `block in render'
/Users/j/.rvm/gems/ruby-2.1.2/gems/activesupport-4.2.0/lib/active_support/notifications.rb:166:in `instrument'
/Users/j/.rvm/gems/ruby-2.1.2/gems/actionview-4.2.0/lib/action_view/template.rb:333:in `instrument'
/Users/j/.rvm/gems/ruby-2.1.2/gems/actionview-4.2.0/lib/action_view/template.rb:143:in `render'
/Users/j/.rvm/gems/ruby-2.1.2/gems/actionview-4.2.0/lib/action_view/renderer/partial_renderer.rb:339:in `render_partial'
/Users/j/.rvm/gems/ruby-2.1.2/gems/actionview-4.2.0/lib/action_view/renderer/partial_renderer.rb:310:in `block in render'
/Users/j/.rvm/gems/ruby-2.1.2/gems/actionview-4.2.0/lib/action_view/renderer/abstract_renderer.rb:39:in `block in instrument'
/Users/j/.rvm/gems/ruby-2.1.2/gems/activesupport-4.2.0/lib/active_support/notifications.rb:164:in `block in instrument'
/Users/j/.rvm/gems/ruby-2.1.2/gems/activesupport-4.2.0/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
/Users/j/.rvm/gems/ruby-2.1.2/gems/activesupport-4.2.0/lib/active_support/notifications.rb:164:in `instrument'
/Users/j/.rvm/gems/ruby-2.1.2/gems/actionview-4.2.0/lib/action_view/renderer/abstract_renderer.rb:39:in `instrument'
/Users/j/.rvm/gems/ruby-2.1.2/gems/actionview-4.2.0/lib/action_view/renderer/partial_renderer.rb:309:in `render'
/Users/j/.rvm/gems/ruby-2.1.2/gems/actionview-4.2.0/lib/action_view/renderer/renderer.rb:47:in `render_partial'
/Users/j/.rvm/gems/ruby-2.1.2/gems/actionview-4.2.0/lib/action_view/renderer/renderer.rb:21:in `render'
/Users/j/.rvm/gems/ruby-2.1.2/gems/actionview-4.2.0/lib/action_view/helpers/rendering_helper.rb:32:in `render'
/Users/j/.rvm/gems/ruby-2.1.2/gems/sync-0.3.5/lib/sync/renderer.rb:16:in `render_to_string'
/Users/j/.rvm/gems/ruby-2.1.2/gems/sync-0.3.5/lib/sync/partial.rb:29:in `render_to_string'
/Users/j/.rvm/gems/ruby-2.1.2/gems/sync-0.3.5/lib/sync/partial_creator.rb:30:in `message'
/Users/j/.rvm/gems/ruby-2.1.2/gems/sync-0.3.5/lib/sync/actions.rb:87:in `block (2 levels) in sync_new'
/Users/j/.rvm/gems/ruby-2.1.2/gems/sync-0.3.5/lib/sync/actions.rb:86:in `collect'
/Users/j/.rvm/gems/ruby-2.1.2/gems/sync-0.3.5/lib/sync/actions.rb:86:in `block in sync_new'
/Users/j/.rvm/gems/ruby-2.1.2/gems/sync-0.3.5/lib/sync/actions.rb:80:in `collect'
/Users/j/.rvm/gems/ruby-2.1.2/gems/sync-0.3.5/lib/sync/actions.rb:80:in `sync_new'
/Users/j/.rvm/gems/ruby-2.1.2/gems/sync-0.3.5/lib/sync/action.rb:17:in `perform'
/Users/j/.rvm/gems/ruby-2.1.2/gems/sync-0.3.5/lib/sync/model_actions.rb:48:in `each'
/Users/j/.rvm/gems/ruby-2.1.2/gems/sync-0.3.5/lib/sync/model_actions.rb:48:in `publish_sync_actions'
/Users/j/.rvm/gems/ruby-2.1.2/gems/activesupport-4.2.0/lib/active_support/callbacks.rb:427:in `block in make_lambda'
/Users/j/.rvm/gems/ruby-2.1.2/gems/activesupport-4.2.0/lib/active_support/callbacks.rb:250:in `call'
/Users/j/.rvm/gems/ruby-2.1.2/gems/activesupport-4.2.0/lib/active_support/callbacks.rb:250:in `block in conditional'
/Users/j/.rvm/gems/ruby-2.1.2/gems/activesupport-4.2.0/lib/active_support/callbacks.rb:245:in `call'
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/Users/j/.rvm/gems/ruby-2.1.2/gems/actionpack-4.2.0/lib/action_controller/metal/instrumentation.rb:31:in `block in process_action'
/Users/j/.rvm/gems/ruby-2.1.2/gems/activesupport-4.2.0/lib/active_support/notifications.rb:164:in `block in instrument'
/Users/j/.rvm/gems/ruby-2.1.2/gems/activesupport-4.2.0/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
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bin/railre'
Here is the issue related to what you say : https://github.com/thoughtbot/paperclip/issues/1933 (especially my comments : https://github.com/thoughtbot/paperclip/issues/1933#issuecomment-169607838 and https://github.com/thoughtbot/paperclip/issues/1933#issuecomment-170509222 )
Please note that this warning is not an error, it only tells you the futur behaviour of ActiveRecord, which is not to shallow error.
Removing config.active_record.raise_in_transactional_callbacks = true will show you the warning of after_commit / after_rollback and switch to the old behaviour, which is shallowing errors.
I am upgrading from rails 2.3 to rails 3.2. I have models divided into sub folders. Just like there is a model app/models/ad/ad.rb the other app/models/ad/ad_city.rb but inside the model it is written as:
class Ad < ActiveRecord::Base
class AdCity < ActiveRecord::Base
and not:
class Ad::Ad < ActiveRecord::Base
class Ad::AdCity < ActiveRecord::Base
I have in my application.rb:
config.autoload_paths += Dir[Rails.root.join('app', 'models', '{**}')]
even I tried including each folder in config.autoload_paths. But it give me a thousand lines warning:
Warning: Error loading /home/deep/projects/upgrade/models/myapp/app/models/ad/ad_city.rb:
uninitialized constant Ad::AdCity
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activesupport-3.2.19/lib/active_support/inflector/methods.rb:230:in `block in constantize'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activesupport-3.2.19/lib/active_support/inflector/methods.rb:229:in `each'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activesupport-3.2.19/lib/active_support/inflector/methods.rb:229:in `constantize'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activesupport-3.2.19/lib/active_support/core_ext/string/inflections.rb:54:in `constantize'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/thinking-sphinx-2.0.11/lib/thinking_sphinx/context.rb:64:in `block (2 levels) in load_models'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/thinking-sphinx-2.0.11/lib/thinking_sphinx/context.rb:54:in `each'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/thinking-sphinx-2.0.11/lib/thinking_sphinx/context.rb:54:in `block in load_models'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/thinking-sphinx-2.0.11/lib/thinking_sphinx/context.rb:53:in `each'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/thinking-sphinx-2.0.11/lib/thinking_sphinx/context.rb:53:in `load_models'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/thinking-sphinx-2.0.11/lib/thinking_sphinx/context.rb:15:in `prepare'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/thinking-sphinx-2.0.11/lib/thinking_sphinx.rb:81:in `block in context'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/thinking-sphinx-2.0.11/lib/thinking_sphinx.rb:78:in `synchronize'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/thinking-sphinx-2.0.11/lib/thinking_sphinx.rb:78:in `context'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/thinking-sphinx-2.0.11/lib/thinking_sphinx/active_record.rb:162:in `define_index'
/home/deep/projects/upgrade/models/myapp/app/models/user/user_indexes.rb:6:in `included'
/home/deep/projects/upgrade/models/myapp/app/models/user/user.rb:295:in `include'
/home/deep/projects/upgrade/models/myapp/app/models/user/user.rb:295:in `<class:User>'
/home/deep/projects/upgrade/models/myapp/app/models/user/user.rb:1:in `<top (required)>'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/bundler/gems/rails-dev-boost-bf49caca6670/lib/rails_development_boost/dependencies_patch.rb:364:in `block in load_file_with_constant_tracking_internal'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/bundler/gems/rails-dev-boost-bf49caca6670/lib/rails_development_boost/dependencies_patch.rb:240:in `now_loading'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/bundler/gems/rails-dev-boost-bf49caca6670/lib/rails_development_boost/dependencies_patch.rb:364:in `load_file_with_constant_tracking_internal'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/bundler/gems/rails-dev-boost-bf49caca6670/lib/rails_development_boost/dependencies_patch.rb:234:in `block in load_file_with_constant_tracking'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/bundler/gems/rails-dev-boost-bf49caca6670/lib/rails_development_boost/dependencies_patch.rb:383:in `async_synchronize'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/bundler/gems/rails-dev-boost-bf49caca6670/lib/rails_development_boost/dependencies_patch.rb:229:in `load_file_with_constant_tracking'
/home/deep/projects/upgrade/models/myapp/lib/authenticated_system.rb:108:in `login_from_session'
/home/deep/projects/upgrade/models/myapp/lib/authenticated_system.rb:24:in `current_user'
/home/deep/projects/upgrade/models/myapp/lib/authenticated_system.rb:14:in `logged_in?'
/home/deep/projects/upgrade/models/myapp/app/controllers/application_controller.rb:288:in `set_timezone'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activesupport-3.2.19/lib/active_support/callbacks.rb:429:in `_run__402496120916004207__process_action__1098406492416702350__callbacks'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activesupport-3.2.19/lib/active_support/callbacks.rb:405:in `__run_callback'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activesupport-3.2.19/lib/active_support/callbacks.rb:385:in `_run_process_action_callbacks'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activesupport-3.2.19/lib/active_support/callbacks.rb:81:in `run_callbacks'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/abstract_controller/callbacks.rb:17:in `process_action'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_controller/metal/rescue.rb:29:in `process_action'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_controller/metal/instrumentation.rb:30:in `block in process_action'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activesupport-3.2.19/lib/active_support/notifications.rb:123:in `block in instrument'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activesupport-3.2.19/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activesupport-3.2.19/lib/active_support/notifications.rb:123:in `instrument'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_controller/metal/instrumentation.rb:29:in `process_action'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_controller/metal/params_wrapper.rb:207:in `process_action'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activerecord-3.2.19/lib/active_record/railties/controller_runtime.rb:18:in `process_action'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/abstract_controller/base.rb:121:in `process'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/abstract_controller/rendering.rb:45:in `process'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_controller/metal.rb:203:in `dispatch'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_controller/metal.rb:246:in `block in action'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_dispatch/routing/route_set.rb:73:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_dispatch/routing/route_set.rb:73:in `dispatch'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_dispatch/routing/route_set.rb:36:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/journey-1.0.4/lib/journey/router.rb:68:in `block in call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/journey-1.0.4/lib/journey/router.rb:56:in `each'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/journey-1.0.4/lib/journey/router.rb:56:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_dispatch/routing/route_set.rb:608:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/exception_notification-4.0.1/lib/exception_notification/rack.rb:28:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/bundler/gems/rails-dev-boost-bf49caca6670/lib/rails_development_boost/async.rb:14:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/rack-1.4.5/lib/rack/etag.rb:23:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/rack-1.4.5/lib/rack/conditionalget.rb:25:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_dispatch/middleware/head.rb:14:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_dispatch/middleware/params_parser.rb:21:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_dispatch/middleware/flash.rb:242:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/rack-1.4.5/lib/rack/session/abstract/id.rb:210:in `context'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/rack-1.4.5/lib/rack/session/abstract/id.rb:205:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_dispatch/middleware/cookies.rb:341:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activerecord-3.2.19/lib/active_record/query_cache.rb:64:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activerecord-3.2.19/lib/active_record/connection_adapters/abstract/connection_pool.rb:479:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_dispatch/middleware/callbacks.rb:28:in `block in call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activesupport-3.2.19/lib/active_support/callbacks.rb:405:in `_run__2960753221531180313__call__4371824738127159201__callbacks'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activesupport-3.2.19/lib/active_support/callbacks.rb:405:in `__run_callback'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activesupport-3.2.19/lib/active_support/callbacks.rb:385:in `_run_call_callbacks'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activesupport-3.2.19/lib/active_support/callbacks.rb:81:in `run_callbacks'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_dispatch/middleware/callbacks.rb:27:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_dispatch/middleware/reloader.rb:65:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_dispatch/middleware/remote_ip.rb:31:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/better_errors-2.0.0/lib/better_errors/middleware.rb:84:in `protected_app_call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/better_errors-2.0.0/lib/better_errors/middleware.rb:79:in `better_errors_call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/better_errors-2.0.0/lib/better_errors/middleware.rb:57:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/railties-3.2.19/lib/rails/rack/logger.rb:32:in `call_app'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/railties-3.2.19/lib/rails/rack/logger.rb:16:in `block in call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activesupport-3.2.19/lib/active_support/tagged_logging.rb:22:in `tagged'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/railties-3.2.19/lib/rails/rack/logger.rb:16:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_dispatch/middleware/request_id.rb:22:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/rack-1.4.5/lib/rack/methodoverride.rb:21:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/rack-1.4.5/lib/rack/runtime.rb:17:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/activesupport-3.2.19/lib/active_support/cache/strategy/local_cache.rb:72:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/rack-1.4.5/lib/rack/lock.rb:15:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/actionpack-3.2.19/lib/action_dispatch/middleware/static.rb:63:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/railties-3.2.19/lib/rails/engine.rb:484:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/railties-3.2.19/lib/rails/application.rb:231:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/rack-1.4.5/lib/rack/content_length.rb:14:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/railties-3.2.19/lib/rails/rack/log_tailer.rb:17:in `call'
/home/deep/.rvm/gems/ruby-2.1.2#upgrade_mygemset/gems/rack-1.4.5/lib/rack/handler/webrick.rb:59:in `service'
/home/deep/.rvm/rubies/ruby-2.1.2/lib/ruby/2.1.0/webrick/httpserver.rb:138:in `service'
/home/deep/.rvm/rubies/ruby-2.1.2/lib/ruby/2.1.0/webrick/httpserver.rb:94:in `run'
/home/deep/.rvm/rubies/ruby-2.1.2/lib/ruby/2.1.0/webrick/server.rb:295:in `block in start_thread'
for all the models. It doesn't throw any error just gives warning each time my app makes any connection with the database. What should I do. Please help
When I attempt to create a Ruby application within OpenShift Origin I get the following error:
Starting Ruby cartridge
Failed to execute: 'control start' for /var/lib/openshift/540f759e19c94b7916000064/ruby
Following this up in the logs I can see the following, can anybody point me in the right direction?
Latest version of Origin, installed from oo-installer.
2014-09-09 17:48:14.741 [INFO ] Parameters: {"cartridges"=>["ruby-1.9"], "domain_id"=>"development", "gear_profile"=>"small", "initial_git_branch"=>"", "initial_git_url"=>"", "name"=>"ruby", "scale"=>"false"} (pid:7765)
2014-09-09 17:48:36.486 [ERROR] Failed to execute: 'control start' for /var/lib/openshift/540f759e19c94b7916000064/ruby (pid:7765)
2014-09-09 17:48:36.487 [ERROR] /opt/rh/ruby193/root/usr/share/gems/gems/openshift-origin-msg-broker-mcollective-1.26.1.1/lib/openshift/mcollective_application_container_proxy.rb:2763:in `parse_result'
/opt/rh/ruby193/root/usr/share/gems/gems/openshift-origin-msg-broker-mcollective-1.26.1.1/lib/openshift/mcollective_application_container_proxy.rb:2944:in `run_cartridge_command'
/opt/rh/ruby193/root/usr/share/gems/gems/openshift-origin-msg-broker-mcollective-1.26.1.1/lib/openshift/mcollective_application_container_proxy.rb:846:in `post_configure_component'
/opt/rh/ruby193/root/usr/share/gems/gems/openshift-origin-controller-1.26.3.1/app/models/gear.rb:196:in `post_configure_component'
/opt/rh/ruby193/root/usr/share/gems/gems/openshift-origin-controller-1.26.3.1/app/pending_ops_models/post_configure_comp_op.rb:12:in `execute'
/opt/rh/ruby193/root/usr/share/gems/gems/openshift-origin-controller-1.26.3.1/app/models/pending_app_op_group.rb:104:in `block in execute'
/opt/rh/ruby193/root/usr/share/gems/gems/openshift-origin-controller-1.26.3.1/app/models/pending_app_op_group.rb:94:in `each'
/opt/rh/ruby193/root/usr/share/gems/gems/openshift-origin-controller-1.26.3.1/app/models/pending_app_op_group.rb:94:in `execute'
/opt/rh/ruby193/root/usr/share/gems/gems/openshift-origin-controller-1.26.3.1/app/models/application.rb:1719:in `run_jobs'
/opt/rh/ruby193/root/usr/share/gems/gems/openshift-origin-controller-1.26.3.1/app/models/application.rb:824:in `block in add_cartridges'
/opt/rh/ruby193/root/usr/share/gems/gems/openshift-origin-controller-1.26.3.1/app/models/lock.rb:62:in `run_in_app_lock'
/opt/rh/ruby193/root/usr/share/gems/gems/openshift-origin-controller-1.26.3.1/app/models/application.rb:801:in `add_cartridges'
/opt/rh/ruby193/root/usr/share/gems/gems/openshift-origin-controller-1.26.3.1/app/models/application.rb:654:in `add_initial_cartridges'
/opt/rh/ruby193/root/usr/share/gems/gems/openshift-origin-controller-1.26.3.1/app/controllers/applications_controller.rb:170:in `create'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_controller/metal/implicit_render.rb:4:in `send_action'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/abstract_controller/base.rb:167:in `process_action'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_controller/metal/rendering.rb:10:in `process_action'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/abstract_controller/callbacks.rb:18:in `block in process_action'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:481:in `block in _run__4204384996818884849__process_action__2449202845933876977__callbacks'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:215:in `block in _conditional_callback_around_519'
/opt/rh/ruby193/root/usr/share/gems/gems/openshift-origin-controller-1.26.3.1/lib/openshift/controller/action_log.rb:80:in `set_logged_request'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:214:in `_conditional_callback_around_519'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:403:in `_run__4204384996818884849__process_action__2449202845933876977__callbacks'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:405:in `__run_callback'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:385:in `_run_process_action_callbacks'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:81:in `run_callbacks'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/abstract_controller/callbacks.rb:17:in `process_action'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_controller/metal/rescue.rb:29:in `process_action'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_controller/metal/instrumentation.rb:30:in `block in process_action'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/notifications.rb:123:in `block in instrument'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/notifications.rb:123:in `instrument'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_controller/metal/instrumentation.rb:29:in `process_action'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_controller/metal/params_wrapper.rb:207:in `process_action'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/abstract_controller/base.rb:121:in `process'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/abstract_controller/rendering.rb:45:in `process'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_controller/metal.rb:203:in `dispatch'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_controller/metal.rb:246:in `block in action'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_dispatch/routing/route_set.rb:73:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_dispatch/routing/route_set.rb:73:in `dispatch'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_dispatch/routing/route_set.rb:36:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/journey-1.0.4/lib/journey/router.rb:68:in `block in call'
/opt/rh/ruby193/root/usr/share/gems/gems/journey-1.0.4/lib/journey/router.rb:56:in `each'
/opt/rh/ruby193/root/usr/share/gems/gems/journey-1.0.4/lib/journey/router.rb:56:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_dispatch/routing/route_set.rb:600:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/mongoid-3.0.21/lib/rack/mongoid/middleware/identity_map.rb:34:in `block in call'
/opt/rh/ruby193/root/usr/share/gems/gems/mongoid-3.0.21/lib/mongoid/unit_of_work.rb:39:in `unit_of_work'
/opt/rh/ruby193/root/usr/share/gems/gems/mongoid-3.0.21/lib/rack/mongoid/middleware/identity_map.rb:34:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/rack-1.4.1/lib/rack/etag.rb:23:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/rack-1.4.1/lib/rack/conditionalget.rb:35:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_dispatch/middleware/head.rb:14:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_dispatch/middleware/params_parser.rb:21:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_dispatch/middleware/flash.rb:242:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/rack-1.4.1/lib/rack/session/abstract/id.rb:205:in `context'
/opt/rh/ruby193/root/usr/share/gems/gems/rack-1.4.1/lib/rack/session/abstract/id.rb:200:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_dispatch/middleware/cookies.rb:339:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_dispatch/middleware/callbacks.rb:28:in `block in call'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:405:in `_run__2514728056779631320__call__364474079927790510__callbacks'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:405:in `__run_callback'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:385:in `_run_call_callbacks'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:81:in `run_callbacks'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_dispatch/middleware/callbacks.rb:27:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_dispatch/middleware/remote_ip.rb:31:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/railties-3.2.8/lib/rails/rack/logger.rb:26:in `call_app'
/opt/rh/ruby193/root/usr/share/gems/gems/railties-3.2.8/lib/rails/rack/logger.rb:16:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_dispatch/middleware/request_id.rb:22:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/rack-1.4.1/lib/rack/methodoverride.rb:21:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/rack-1.4.1/lib/rack/runtime.rb:17:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/cache/strategy/local_cache.rb:72:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/rack-1.4.1/lib/rack/lock.rb:15:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_dispatch/middleware/static.rb:62:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/rack-cache-1.2/lib/rack/cache/context.rb:136:in `forward'
/opt/rh/ruby193/root/usr/share/gems/gems/rack-cache-1.2/lib/rack/cache/context.rb:143:in `pass'
/opt/rh/ruby193/root/usr/share/gems/gems/rack-cache-1.2/lib/rack/cache/context.rb:155:in `invalidate'
/opt/rh/ruby193/root/usr/share/gems/gems/rack-cache-1.2/lib/rack/cache/context.rb:71:in `call!'
/opt/rh/ruby193/root/usr/share/gems/gems/rack-cache-1.2/lib/rack/cache/context.rb:51:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/railties-3.2.8/lib/rails/engine.rb:479:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/railties-3.2.8/lib/rails/application.rb:223:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/railties-3.2.8/lib/rails/railtie/configurable.rb:30:in `method_missing'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/rack/request_handler.rb:97:in `process_request'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/abstract_request_handler.rb:521:in `accept_and_process_next_request'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/abstract_request_handler.rb:274:in `main_loop'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/rack/application_spawner.rb:206:in `start_request_handler'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/rack/application_spawner.rb:171:in `block in handle_spawn_application'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/utils.rb:470:in `safe_fork'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/rack/application_spawner.rb:166:in `handle_spawn_application'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/abstract_server.rb:180:in `start'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/rack/application_spawner.rb:129:in `start'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/spawn_manager.rb:253:in `block (2 levels) in spawn_rack_application'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/abstract_server_collection.rb:132:in `lookup_or_add'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/spawn_manager.rb:246:in `block in spawn_rack_application'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/abstract_server_collection.rb:82:in `block in synchronize'
<internal:prelude>:10:in `synchronize'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/abstract_server_collection.rb:79:in `synchronize'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/spawn_manager.rb:244:in `spawn_rack_application'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/spawn_manager.rb:137:in `spawn_application'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/spawn_manager.rb:275:in `handle_spawn_application'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/helper-scripts/passenger-spawn-server:102:in `<main>' (pid:7765)
2014-09-09 17:48:36.487 [ERROR] Encountered error during execute 'Failed to execute: 'control start' for /var/lib/openshift/540f759e19c94b7916000064/ruby
' (pid:7765)
2014-09-09 17:48:38.526 [INFO ] Completed 422 Unprocessable Entity in 23785ms (Views: 1.5ms) (pid:7765)
For the last month, we've had a bot scraping our site regularly, leading to a bunch of ArgumentError: invalid %-encoding errors because the URLs are malformed. I've looked at a bunch of issues in rack here and here and rails here, and looked at this SO thread but there doesn't seem to be a definitive solution. Is there a correct solution for GET errors? Do I have to monkeypatch rack?
edit: And here's a backtrace:
/usr/local/lib/ruby/1.9.1/uri/common.rb:898:in `decode_www_form_component'
[GEM_ROOT]/gems/rack-1.4.5/lib/rack/utils.rb:41:in `unescape'
[GEM_ROOT]/gems/rack-1.4.5/lib/rack/utils.rb:94:in `block (2 levels) in parse_nested_query'
[GEM_ROOT]/gems/rack-1.4.5/lib/rack/utils.rb:94:in `map'
[GEM_ROOT]/gems/rack-1.4.5/lib/rack/utils.rb:94:in `block in parse_nested_query'
[GEM_ROOT]/gems/rack-1.4.5/lib/rack/utils.rb:93:in `each'
[GEM_ROOT]/gems/rack-1.4.5/lib/rack/utils.rb:93:in `parse_nested_query'
[GEM_ROOT]/gems/rack-1.4.5/lib/rack/request.rb:332:in `parse_query'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/http/request.rb:269:in `parse_query'
[GEM_ROOT]/gems/rack-1.4.5/lib/rack/request.rb:186:in `GET'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/http/request.rb:225:in `GET'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/http/parameters.rb:10:in `parameters'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/http/filter_parameters.rb:33:in `filtered_parameters'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_controller/metal/instrumentation.rb:21:in `process_action'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_controller/metal/params_wrapper.rb:207:in `process_action'
[GEM_ROOT]/gems/activerecord-3.2.12/lib/active_record/railties/controller_runtime.rb:18:in `process_action'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/abstract_controller/base.rb:121:in `process'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/abstract_controller/rendering.rb:45:in `process'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_controller/metal.rb:203:in `dispatch'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_controller/metal.rb:246:in `block in action'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/routing/route_set.rb:73:in `call'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/routing/route_set.rb:73:in `dispatch'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/routing/route_set.rb:36:in `call'
[GEM_ROOT]/gems/journey-1.0.4/lib/journey/router.rb:68:in `block in call'
[GEM_ROOT]/gems/journey-1.0.4/lib/journey/router.rb:56:in `each'
[GEM_ROOT]/gems/journey-1.0.4/lib/journey/router.rb:56:in `call'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/routing/route_set.rb:601:in `call'
[GEM_ROOT]/gems/omniauth-1.1.1/lib/omniauth/strategy.rb:177:in `call!'
[GEM_ROOT]/gems/omniauth-1.1.1/lib/omniauth/strategy.rb:157:in `call'
[GEM_ROOT]/gems/sass-3.2.7/lib/sass/plugin/rack.rb:54:in `call'
[GEM_ROOT]/gems/warden-1.2.1/lib/warden/manager.rb:35:in `block in call'
[GEM_ROOT]/gems/warden-1.2.1/lib/warden/manager.rb:34:in `catch'
[GEM_ROOT]/gems/warden-1.2.1/lib/warden/manager.rb:34:in `call'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
[GEM_ROOT]/gems/rack-1.4.5/lib/rack/etag.rb:23:in `call'
[GEM_ROOT]/gems/rack-1.4.5/lib/rack/conditionalget.rb:25:in `call'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/middleware/head.rb:14:in `call'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/middleware/params_parser.rb:21:in `call'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/middleware/flash.rb:242:in `call'
[GEM_ROOT]/gems/rack-1.4.5/lib/rack/session/abstract/id.rb:210:in `context'
[GEM_ROOT]/gems/rack-1.4.5/lib/rack/session/abstract/id.rb:205:in `call'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/middleware/cookies.rb:341:in `call'
[GEM_ROOT]/gems/activerecord-3.2.12/lib/active_record/query_cache.rb:64:in `call'
[GEM_ROOT]/gems/activerecord-3.2.12/lib/active_record/connection_adapters/abstract/connection_pool.rb:479:in `call'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/middleware/callbacks.rb:28:in `block in call'
[GEM_ROOT]/gems/activesupport-3.2.12/lib/active_support/callbacks.rb:405:in `_run__497203393471184793__call__4495106819278994598__callbacks'
[GEM_ROOT]/gems/activesupport-3.2.12/lib/active_support/callbacks.rb:405:in `__run_callback'
[GEM_ROOT]/gems/activesupport-3.2.12/lib/active_support/callbacks.rb:385:in `_run_call_callbacks'
[GEM_ROOT]/gems/activesupport-3.2.12/lib/active_support/callbacks.rb:81:in `run_callbacks'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/middleware/callbacks.rb:27:in `call'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/middleware/remote_ip.rb:31:in `call'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
[GEM_ROOT]/gems/railties-3.2.12/lib/rails/rack/logger.rb:32:in `call_app'
[GEM_ROOT]/gems/railties-3.2.12/lib/rails/rack/logger.rb:16:in `block in call'
[GEM_ROOT]/gems/activesupport-3.2.12/lib/active_support/tagged_logging.rb:22:in `tagged'
[GEM_ROOT]/gems/railties-3.2.12/lib/rails/rack/logger.rb:16:in `call'
[GEM_ROOT]/gems/actionpack-3.2.12/lib/action_dispatch/middleware/request_id.rb:22:in `call'
[GEM_ROOT]/gems/rack-1.4.5/lib/rack/methodoverride.rb:21:in `call'
[GEM_ROOT]/gems/rack-1.4.5/lib/rack/runtime.rb:17:in `call'
[GEM_ROOT]/gems/activesupport-3.2.12/lib/active_support/cache/strategy/local_cache.rb:72:in `call'
[GEM_ROOT]/gems/rack-1.4.5/lib/rack/lock.rb:15:in `call'
[GEM_ROOT]/gems/rack-cache-1.2/lib/rack/cache/context.rb:136:in `forward'
[GEM_ROOT]/gems/rack-cache-1.2/lib/rack/cache/context.rb:143:in `pass'
[GEM_ROOT]/gems/rack-cache-1.2/lib/rack/cache/context.rb:172:in `rescue in lookup'
[GEM_ROOT]/gems/rack-cache-1.2/lib/rack/cache/context.rb:168:in `lookup'
[GEM_ROOT]/gems/rack-cache-1.2/lib/rack/cache/context.rb:66:in `call!'
[GEM_ROOT]/gems/rack-cache-1.2/lib/rack/cache/context.rb:51:in `call'
[GEM_ROOT]/gems/railties-3.2.12/lib/rails/engine.rb:479:in `call'
[GEM_ROOT]/gems/railties-3.2.12/lib/rails/application.rb:223:in `call'
[GEM_ROOT]/gems/railties-3.2.12/lib/rails/railtie/configurable.rb:30:in `method_missing'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/rack/request_handler.rb:96:in `process_request'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/abstract_request_handler.rb:516:in `accept_and_process_next_request'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/abstract_request_handler.rb:274:in `main_loop'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/rack/application_spawner.rb:206:in `start_request_handler'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/rack/application_spawner.rb:171:in `block in handle_spawn_application'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/utils.rb:479:in `safe_fork'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/rack/application_spawner.rb:166:in `handle_spawn_application'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/abstract_server.rb:180:in `start'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/rack/application_spawner.rb:129:in `start'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/spawn_manager.rb:253:in `block (2 levels) in spawn_rack_application'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/abstract_server_collection.rb:132:in `lookup_or_add'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/spawn_manager.rb:246:in `block in spawn_rack_application'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/abstract_server_collection.rb:82:in `block in synchronize'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/abstract_server_collection.rb:79:in `synchronize'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/spawn_manager.rb:244:in `spawn_rack_application'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/spawn_manager.rb:137:in `spawn_application'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/spawn_manager.rb:275:in `handle_spawn_application'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
/usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.13/helper-scripts/passenger-spawn-server:99:in `<main>'
if you don't mind against monkeypatching Rack then create in config/initializers file (for example rack.rb) with this content:
module Rack
module Utils
if defined?(::Encoding)
def unescape(s, encoding = Encoding::UTF_8)
begin
URI.decode_www_form_component(s, encoding)
rescue ArgumentError
URI.decode_www_form_component(URI.encode(s), encoding)
end
end
else
def unescape(s, encoding = nil)
begin
URI.decode_www_form_component(s, encoding)
rescue ArgumentError
URI.decode_www_form_component(URI.encode(s), encoding)
end
end
end
module_function :unescape
end
end
p.s. it works with passenger, but with Webrick and Thin it doesn't. It looks like both webrick and thin parse a request too, so the failure happens before initializer is loaded. For example with Thin error happens in thin-1.6.2/lib/thin/request.rb:84.
You could inject a middleware designed to detect these and fail gracefully. The basic idea is to just try to parse the query string, and if it fails, bail out with a HTTP 400. Otherwise, just allow the request through.
class RefuseInvalidRequest
def initialize(app)
#app = app
end
def call(env)
query = Rack::Utils.parse_nested_query(env['QUERY_STRING'].to_s) rescue :bad_query
if query == :bad_query
[400, {'Content-Type' => 'text/plain'}, "Bad Request"]
else
#app.call(env)
end
end
end
I haven't tested this, but the concept should work.