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 -- MDLIVE, INC. 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