Ruby on Rails

 I keep getting this type of error, and have researched this for weeks on the internet. tried every suggestion and it still persists..

An ActiveRecord::StatementInvalid occurred in customer#go_to_consultation:

  Mysql2::Error: Lost connection to MySQL server during query: SELECT  `users`.* FROM `users` WHERE `users`.`id` = xxxxx LIMIT 1
  mysql2 (0.2.18) lib/active_record/connection_adapters/mysql2_adapter.rb:265:in `query'

nginx version: nginx/1.2.4

ruby 1.8.7 (2011-06-30 patchlevel 352) [x86_64-linux]

Phusion Passenger version 3.0.18

rails (3.0.20)

mysql2 (0.2.18)

activerecord (3.0.20)

activerecord-import (0.2.11)

activerecord-mysql2-adapter (0.0.3)

Ubuntu 12.04 (precise)

other info:

  * PASSENGER_APP_SPAWNER_IDLE_TIME           : -1
  * PASSENGER_APP_TYPE                        : rack
  * PASSENGER_CONNECT_PASSWORD                : [FILTERED]
  * PASSENGER_DEBUGGER                        : false
  * PASSENGER_ENVIRONMENT                     : production
  * PASSENGER_FRAMEWORK_SPAWNER_IDLE_TIME     : -1
  * PASSENGER_FRIENDLY_ERROR_PAGES            : true
  * PASSENGER_GROUP                           :
  * PASSENGER_MAX_REQUESTS                    : 0
  * PASSENGER_MIN_INSTANCES                   : 2
  * PASSENGER_SHOW_VERSION_IN_HEADER          : true
  * PASSENGER_SPAWN_METHOD                    : smart-lv2
  * PASSENGER_USER                            :
  * PASSENGER_USE_GLOBAL_QUEUE                : true

  mysql2 (0.2.18) lib/active_record/connection_adapters/mysql2_adapter.rb:265:in `query'
  mysql2 (0.2.18) lib/active_record/connection_adapters/mysql2_adapter.rb:265:in `execute'
  activerecord (3.0.20) lib/active_record/connection_adapters/abstract_adapter.rb:202:in `log_without_newrelic_instrumentation'
  activesupport (3.0.20) lib/active_support/notifications/instrumenter.rb:21:in `instrument'
  activerecord (3.0.20) lib/active_record/connection_adapters/abstract_adapter.rb:200:in `log_without_newrelic_instrumentation'
  newrelic_rpm (3.7.2.192) lib/new_relic/agent/instrumentation/active_record.rb:46:in `log'
  newrelic_rpm (3.7.2.192) lib/new_relic/agent/method_tracer.rb:281:in `trace_execution_scoped'
  newrelic_rpm (3.7.2.192) lib/new_relic/agent/instrumentation/active_record.rb:43:in `log'
  mysql2 (0.2.18) lib/active_record/connection_adapters/mysql2_adapter.rb:265:in `execute'
  mysql2 (0.2.18) lib/active_record/connection_adapters/mysql2_adapter.rb:586:in `select'
  activerecord (3.0.20) lib/active_record/connection_adapters/abstract/database_statements.rb:7:in `select_all'
  activerecord (3.0.20) lib/active_record/connection_adapters/abstract/query_cache.rb:54:in `select_all'
  activerecord (3.0.20) lib/active_record/connection_adapters/abstract/query_cache.rb:68:in `cache_sql'
  activerecord (3.0.20) lib/active_record/connection_adapters/abstract/query_cache.rb:54:in `select_all'
  activerecord (3.0.20) lib/active_record/base.rb:473:in `find_by_sql_without_trace_ActiveRecord_self_name_find_by_sql'
  newrelic_rpm (3.7.2.192) lib/new_relic/agent/method_tracer.rb:549:in `find_by_sql'
  newrelic_rpm (3.7.2.192) lib/new_relic/agent/method_tracer.rb:281:in `trace_execution_scoped'
  newrelic_rpm (3.7.2.192) lib/new_relic/agent/method_tracer.rb:544:in `find_by_sql'
  activerecord (3.0.20) lib/active_record/relation.rb:64:in `to_a'
  activerecord (3.0.20) lib/active_record/relation/finder_methods.rb:343:in `find_first'
  activerecord (3.0.20) lib/active_record/relation/finder_methods.rb:122:in `first'
  activerecord (3.0.20) lib/active_record/relation/finder_methods.rb:244:in `send'
  activerecord (3.0.20) lib/active_record/relation/finder_methods.rb:244:in `find_by_attributes'
  activerecord (3.0.20) lib/active_record/base.rb:997:in `send'
  activerecord (3.0.20) lib/active_record/base.rb:997:in `method_missing'
  lib/authenticated_system.rb:11:in `current_user'
  app/controllers/application_controller.rb:16:in `load_org_hash'
  activesupport (3.0.20) lib/active_support/callbacks.rb:447:in `_run__1783524324__process_action__741958110__callbacks'
  activesupport (3.0.20) lib/active_support/callbacks.rb:410:in `send'
  activesupport (3.0.20) lib/active_support/callbacks.rb:410:in `_run_process_action_callbacks'
  activesupport (3.0.20) lib/active_support/callbacks.rb:94:in `send'
  activesupport (3.0.20) lib/active_support/callbacks.rb:94:in `run_callbacks'
  actionpack (3.0.20) lib/abstract_controller/callbacks.rb:17:in `process_action'
  actionpack (3.0.20) lib/action_controller/metal/rescue.rb:17:in `process_action'
  actionpack (3.0.20) lib/action_controller/metal/instrumentation.rb:30:in `process_action'
  activesupport (3.0.20) lib/active_support/notifications.rb:52:in `instrument'
  activesupport (3.0.20) lib/active_support/notifications/instrumenter.rb:21:in `instrument'
  activesupport (3.0.20) lib/active_support/notifications.rb:52:in `instrument'
  actionpack (3.0.20) lib/action_controller/metal/instrumentation.rb:29:in `process_action'
  newrelic_rpm (3.7.2.192) lib/new_relic/agent/instrumentation/rails3/action_controller.rb:38:in `process_action'
  newrelic_rpm (3.7.2.192) lib/new_relic/agent/instrumentation/controller_instrumentation.rb:339:in `perform_action_with_newrelic_trace'
  newrelic_rpm (3.7.2.192) lib/new_relic/agent/instrumentation/rails3/action_controller.rb:37:in `process_action'
  actionpack (3.0.20) lib/abstract_controller/base.rb:119:in `process'
  actionpack (3.0.20) lib/abstract_controller/rendering.rb:41:in `process'
  actionpack (3.0.20) lib/action_controller/metal.rb:138:in `dispatch'
  actionpack (3.0.20) lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
  actionpack (3.0.20) lib/action_controller/metal.rb:178:in `action'
  actionpack (3.0.20) lib/action_dispatch/routing/route_set.rb:68:in `call'
  actionpack (3.0.20) lib/action_dispatch/routing/route_set.rb:68:in `dispatch'
  actionpack (3.0.20) lib/action_dispatch/routing/route_set.rb:33:in `call'
  rack-mount (0.6.14) lib/rack/mount/route_set.rb:148:in `call'
  rack-mount (0.6.14) lib/rack/mount/code_generation.rb:93:in `recognize'
  rack-mount (0.6.14) lib/rack/mount/code_generation.rb:117:in `optimized_each'
  rack-mount (0.6.14) lib/rack/mount/code_generation.rb:92:in `recognize'
  rack-mount (0.6.14) lib/rack/mount/route_set.rb:139:in `call'
  actionpack (3.0.20) lib/action_dispatch/routing/route_set.rb:499:in `call'
  omniauth (1.1.4) lib/omniauth/strategy.rb:184:in `call!'
  omniauth (1.1.4) lib/omniauth/strategy.rb:164:in `call'
  omniauth (1.1.4) lib/omniauth/strategy.rb:184:in `call!'
  omniauth (1.1.4) lib/omniauth/strategy.rb:164:in `call'
  omniauth (1.1.4) lib/omniauth/builder.rb:49:in `call'
  newrelic_rpm (3.7.2.192) lib/new_relic/rack/error_collector.rb:55:in `call'
  newrelic_rpm (3.7.2.192) lib/new_relic/rack/agent_hooks.rb:32:in `call'
  newrelic_rpm (3.7.2.192) lib/new_relic/rack/browser_monitoring.rb:27:in `call'
  exception_notification (3.0.0) lib/exception_notifier.rb:40:in `call'
  /home/deployer/apps/mdlive/shared/bundle/ruby/1.8/bundler/gems/simple-captcha-3557b78feb5f/lib/simple_captcha/middleware.rb:20:in `call'
  actionpack (3.0.20) lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
  actionpack (3.0.20) lib/action_dispatch/middleware/head.rb:14:in `call'
  rack (1.2.8) lib/rack/methodoverride.rb:24:in `call'
  actionpack (3.0.20) lib/action_dispatch/middleware/params_parser.rb:21:in `call'
  actionpack (3.0.20) lib/action_dispatch/middleware/flash.rb:182:in `call'
  actionpack (3.0.20) lib/action_dispatch/middleware/session/abstract_store.rb:149:in `call'
  actionpack (3.0.20) lib/action_dispatch/middleware/cookies.rb:302:in `call'
  rack-ssl (1.3.3) lib/rack/ssl.rb:27:in `call'
  activerecord (3.0.20) lib/active_record/query_cache.rb:32:in `call'
  activerecord (3.0.20) lib/active_record/connection_adapters/abstract/query_cache.rb:28:in `cache'
  activerecord (3.0.20) lib/active_record/query_cache.rb:12:in `cache'
  activerecord (3.0.20) lib/active_record/query_cache.rb:31:in `call'
  activerecord (3.0.20) lib/active_record/connection_adapters/abstract/connection_pool.rb:354:in `call'
  actionpack (3.0.20) lib/action_dispatch/middleware/callbacks.rb:46:in `call'
  activesupport (3.0.20) lib/active_support/callbacks.rb:416:in `_run_call_callbacks'
  actionpack (3.0.20) lib/action_dispatch/middleware/callbacks.rb:44:in `call'
  rack (1.2.8) lib/rack/sendfile.rb:106:in `call'
  actionpack (3.0.20) lib/action_dispatch/middleware/remote_ip.rb:48:in `call'
  actionpack (3.0.20) lib/action_dispatch/middleware/show_exceptions.rb:47:in `call'
  railties (3.0.20) lib/rails/rack/logger.rb:13:in `call'
  rack (1.2.8) lib/rack/runtime.rb:17:in `call'
  activesupport (3.0.20) lib/active_support/cache/strategy/local_cache.rb:72:in `call'
  rack (1.2.8) lib/rack/lock.rb:13:in `call'
  rack (1.2.8) lib/rack/lock.rb:13:in `synchronize'
  rack (1.2.8) lib/rack/lock.rb:13:in `call'
  railties (3.0.20) lib/rails/application.rb:168:in `call'
  railties (3.0.20) lib/rails/application.rb:77:in `send'
  railties (3.0.20) lib/rails/application.rb:77:in `method_missing'
  passenger (3.0.18) lib/phusion_passenger/rack/request_handler.rb:96:in `process_request'
  passenger (3.0.18) lib/phusion_passenger/abstract_request_handler.rb:516:in `accept_and_process_next_request'
  passenger (3.0.18) lib/phusion_passenger/abstract_request_handler.rb:274:in `main_loop'
  passenger (3.0.18) lib/phusion_passenger/rack/application_spawner.rb:206:in `start_request_handler'
  passenger (3.0.18) lib/phusion_passenger/rack/application_spawner.rb:171:in `send'
  passenger (3.0.18) lib/phusion_passenger/rack/application_spawner.rb:171:in `handle_spawn_application'
  passenger (3.0.18) lib/phusion_passenger/utils.rb:470:in `safe_fork'
  passenger (3.0.18) lib/phusion_passenger/rack/application_spawner.rb:166:in `handle_spawn_application'
  passenger (3.0.18) lib/phusion_passenger/abstract_server.rb:357:in `__send__'
  passenger (3.0.18) lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
  passenger (3.0.18) lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
  passenger (3.0.18) lib/phusion_passenger/abstract_server.rb:180:in `start'
  passenger (3.0.18) lib/phusion_passenger/rack/application_spawner.rb:129:in `start'
  passenger (3.0.18) lib/phusion_passenger/spawn_manager.rb:253:in `spawn_rack_application'
  passenger (3.0.18) lib/phusion_passenger/abstract_server_collection.rb:132:in `lookup_or_add'
  passenger (3.0.18) lib/phusion_passenger/spawn_manager.rb:246:in `spawn_rack_application'
  passenger (3.0.18) lib/phusion_passenger/abstract_server_collection.rb:82:in `synchronize'
  passenger (3.0.18) lib/phusion_passenger/abstract_server_collection.rb:79:in `synchronize'
  passenger (3.0.18) lib/phusion_passenger/spawn_manager.rb:244:in `spawn_rack_application'
  passenger (3.0.18) lib/phusion_passenger/spawn_manager.rb:137:in `spawn_application'
  passenger (3.0.18) lib/phusion_passenger/spawn_manager.rb:275:in `handle_spawn_application'
  passenger (3.0.18) lib/phusion_passenger/abstract_server.rb:357:in `__send__'
  passenger (3.0.18) lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
  passenger (3.0.18) lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
  passenger (3.0.18) helper-scripts/passenger-spawn-server:99

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