Mysql2::Error

Unknown MySQL server host 'db' (2)

Extracted source (around line #89):
87
88
89
90
91
92
              
socket = socket.to_s unless socket.nil?
connect user, pass, host, port, database, socket, flags
end
def parse_ssl_mode(mode)

Rails.root: /home/trairy/rails/trairy_new

Application Trace | Framework Trace | Full Trace
mysql2 (0.4.10) lib/mysql2/client.rb:89:in `connect'
mysql2 (0.4.10) lib/mysql2/client.rb:89:in `initialize'
activerecord (5.2.1) lib/active_record/connection_adapters/mysql2_adapter.rb:22:in `new'
activerecord (5.2.1) lib/active_record/connection_adapters/mysql2_adapter.rb:22:in `mysql2_connection'
activerecord (5.2.1) lib/active_record/connection_adapters/abstract/connection_pool.rb:809:in `new_connection'
activerecord (5.2.1) lib/active_record/connection_adapters/abstract/connection_pool.rb:853:in `checkout_new_connection'
activerecord (5.2.1) lib/active_record/connection_adapters/abstract/connection_pool.rb:832:in `try_to_checkout_new_connection'
activerecord (5.2.1) lib/active_record/connection_adapters/abstract/connection_pool.rb:793:in `acquire_connection'
activerecord (5.2.1) lib/active_record/connection_adapters/abstract/connection_pool.rb:521:in `checkout'
activerecord (5.2.1) lib/active_record/connection_adapters/abstract/connection_pool.rb:380:in `connection'
activerecord (5.2.1) lib/active_record/connection_adapters/abstract/connection_pool.rb:1008:in `retrieve_connection'
activerecord (5.2.1) lib/active_record/connection_handling.rb:118:in `retrieve_connection'
activerecord (5.2.1) lib/active_record/connection_handling.rb:90:in `connection'
activerecord (5.2.1) lib/active_record/migration.rb:554:in `call'
actionpack (5.2.1) lib/action_dispatch/middleware/callbacks.rb:28:in `block in call'
activesupport (5.2.1) lib/active_support/callbacks.rb:98:in `run_callbacks'
actionpack (5.2.1) lib/action_dispatch/middleware/callbacks.rb:26:in `call'
actionpack (5.2.1) lib/action_dispatch/middleware/executor.rb:14:in `call'
actionpack (5.2.1) lib/action_dispatch/middleware/debug_exceptions.rb:61:in `call'
actionpack (5.2.1) lib/action_dispatch/middleware/show_exceptions.rb:33:in `call'
railties (5.2.1) lib/rails/rack/logger.rb:38:in `call_app'
railties (5.2.1) lib/rails/rack/logger.rb:28:in `call'
sprockets-rails (3.2.1) lib/sprockets/rails/quiet_assets.rb:13:in `call'
actionpack (5.2.1) lib/action_dispatch/middleware/remote_ip.rb:81:in `call'
actionpack (5.2.1) lib/action_dispatch/middleware/request_id.rb:27:in `call'
rack (2.2.2) lib/rack/method_override.rb:24:in `call'
rack (2.2.2) lib/rack/runtime.rb:22:in `call'
activesupport (5.2.1) lib/active_support/cache/strategy/local_cache_middleware.rb:29:in `call'
actionpack (5.2.1) lib/action_dispatch/middleware/executor.rb:14:in `call'
actionpack (5.2.1) lib/action_dispatch/middleware/static.rb:127:in `call'
rack (2.2.2) lib/rack/sendfile.rb:110:in `call'
rack-cors (1.1.1) lib/rack/cors.rb:100:in `call'
railties (5.2.1) lib/rails/engine.rb:524:in `call'
passenger (6.0.4) src/ruby_supportlib/phusion_passenger/rack/thread_handler_extension.rb:97:in `process_request'
passenger (6.0.4) src/ruby_supportlib/phusion_passenger/request_handler/thread_handler.rb:149:in `accept_and_process_next_request'
passenger (6.0.4) src/ruby_supportlib/phusion_passenger/request_handler/thread_handler.rb:110:in `main_loop'
passenger (6.0.4) src/ruby_supportlib/phusion_passenger/request_handler.rb:415:in `block (3 levels) in start_threads'
passenger (6.0.4) src/ruby_supportlib/phusion_passenger/utils.rb:113:in `block in create_thread_and_abort_on_exception'

Request

Parameters:

{"image_type"=>"all", "who_post"=>"all"}

Response

Headers:

None