Strange NoMethodError during request is unhandled: undefined method `each' for 1:Fixnum

Strange failure in new_relic (maybe in combo with hoptoad?)



NoMethodError (undefined method `each' for 1:Fixnum):


  vendor/gems/newrelic_rpm-2.9.2/lib/new_relic/agent/instrumentation/rails/errors.rb:13:in `rescue_action'


  vendor/gems/newrelic_rpm-2.9.2/lib/new_relic/agent/instrumentation/controller_instrumentation.rb:138:in `perform_action'


  vendor/gems/newrelic_rpm-2.9.2/lib/new_relic/agent/method_tracer.rb:62:in `trace_method_execution_with_scope'


  vendor/gems/newrelic_rpm-2.9.2/lib/new_relic/agent/instrumentation/controller_instrumentation.rb:122:in `perform_action'


  vendor/gems/newrelic_rpm-2.9.2/lib/new_relic/agent/method_tracer.rb:38:in `trace_method_execution_no_scope'


  vendor/gems/newrelic_rpm-2.9.2/lib/new_relic/agent/instrumentation/controller_instrumentation.rb:117:in `perform_action'


  haml (2.1.0) [v] rails/./lib/sass/plugin/rails.rb:19:in `process'


  app/middleware/flash_session_cookie_middleware.rb:14:in `call'


  app/middleware/flash_session_cookie_middleware.rb:14:in `call'


  passenger (2.2.2) lib/phusion_passenger/rack/request_handler.rb:81:in `process_request'


  passenger (2.2.2) lib/phusion_passenger/abstract_request_handler.rb:203:in `main_loop'


  passenger (2.2.2) lib/phusion_passenger/railz/application_spawner.rb:340:in `start_request_handler'


  passenger (2.2.2) lib/phusion_passenger/railz/application_spawner.rb:160:in `spawn_application!'


  passenger (2.2.2) lib/phusion_passenger/utils.rb:181:in `safe_fork'


  passenger (2.2.2) lib/phusion_passenger/railz/application_spawner.rb:136:in `spawn_application!'


  passenger (2.2.2) lib/phusion_passenger/spawn_manager.rb:267:in `spawn_rails_application'


  passenger (2.2.2) lib/phusion_passenger/abstract_server_collection.rb:80:in `synchronize'


  passenger (2.2.2) lib/phusion_passenger/abstract_server_collection.rb:79:in `synchronize'


  passenger (2.2.2) lib/phusion_passenger/spawn_manager.rb:250:in `spawn_rails_application'


  passenger (2.2.2) lib/phusion_passenger/spawn_manager.rb:153:in `spawn_application'


  passenger (2.2.2) lib/phusion_passenger/spawn_manager.rb:282:in `handle_spawn_application'


  passenger (2.2.2) lib/phusion_passenger/abstract_server.rb:337:in `__send__'


  passenger (2.2.2) lib/phusion_passenger/abstract_server.rb:337:in `main_loop'


  passenger (2.2.2) lib/phusion_passenger/abstract_server.rb:187:in `start_synchronously'