Mysql2::Error at /
==================

> Access denied for user 'my_user'@'localhost' (using password: YES)

mysql2 (0.4.9) lib/mysql2/client.rb, line 89
--------------------------------------------

``` ruby
   84         host = host.to_s unless host.nil?
   85         port = port.to_i unless port.nil?
   86         database = database.to_s unless database.nil?
   87         socket = socket.to_s unless socket.nil?
   88
>  89         connect user, pass, host, port, database, socket, flags
   90       end
   91
   92       def parse_ssl_mode(mode)
   93         m = mode.to_s.upcase
   94         if m.start_with?('SSL_MODE_')
```

App backtrace
-------------



Full backtrace
--------------

 - mysql2 (0.4.9) lib/mysql2/client.rb:89:in `initialize'
 - activerecord (5.1.4) lib/active_record/connection_adapters/mysql2_adapter.rb:21:in `mysql2_connection'
 - activerecord (5.1.4) lib/active_record/connection_adapters/abstract/connection_pool.rb:759:in `new_connection'
 - activerecord (5.1.4) lib/active_record/connection_adapters/abstract/connection_pool.rb:803:in `checkout_new_connection'
 - activerecord (5.1.4) lib/active_record/connection_adapters/abstract/connection_pool.rb:782:in `try_to_checkout_new_connection'
 - activerecord (5.1.4) lib/active_record/connection_adapters/abstract/connection_pool.rb:743:in `acquire_connection'
 - activerecord (5.1.4) lib/active_record/connection_adapters/abstract/connection_pool.rb:500:in `checkout'
 - activerecord (5.1.4) lib/active_record/connection_adapters/abstract/connection_pool.rb:374:in `connection'
 - activerecord (5.1.4) lib/active_record/connection_adapters/abstract/connection_pool.rb:931:in `retrieve_connection'
 - activerecord (5.1.4) lib/active_record/connection_handling.rb:116:in `retrieve_connection'
 - activerecord (5.1.4) lib/active_record/connection_handling.rb:88:in `connection'
 - activerecord (5.1.4) lib/active_record/migration.rb:562:in `connection'
 - activerecord (5.1.4) lib/active_record/migration.rb:553:in `call'
 - actionpack (5.1.4) lib/action_dispatch/middleware/callbacks.rb:26:in `block in call'
 - activesupport (5.1.4) lib/active_support/callbacks.rb:97:in `run_callbacks'
 - actionpack (5.1.4) lib/action_dispatch/middleware/callbacks.rb:24:in `call'
 - actionpack (5.1.4) lib/action_dispatch/middleware/executor.rb:12:in `call'
 - better_errors (2.3.0) lib/better_errors/middleware.rb:84:in `protected_app_call'
 - better_errors (2.3.0) lib/better_errors/middleware.rb:79:in `better_errors_call'
 - better_errors (2.3.0) lib/better_errors/middleware.rb:57:in `call'
 - actionpack (5.1.4) lib/action_dispatch/middleware/debug_exceptions.rb:59:in `call'
 - actionpack (5.1.4) lib/action_dispatch/middleware/show_exceptions.rb:31:in `call'
 - actionpack (5.1.4) lib/action_dispatch/middleware/executor.rb:12:in `call'
 - better_errors (2.3.0) lib/better_errors/middleware.rb:84:in `protected_app_call'
 - better_errors (2.3.0) lib/better_errors/middleware.rb:79:in `better_errors_call'
 - better_errors (2.3.0) lib/better_errors/middleware.rb:57:in `call'
 - actionpack (5.1.4) lib/action_dispatch/middleware/debug_exceptions.rb:59:in `call'
 - actionpack (5.1.4) lib/action_dispatch/middleware/show_exceptions.rb:31:in `call'
 - railties (5.1.4) lib/rails/rack/logger.rb:36:in `call_app'
 - railties (5.1.4) lib/rails/rack/logger.rb:24:in `block in call'
 - activesupport (5.1.4) lib/active_support/tagged_logging.rb:69:in `block in tagged'
 - activesupport (5.1.4) lib/active_support/tagged_logging.rb:26:in `tagged'
 - activesupport (5.1.4) lib/active_support/tagged_logging.rb:69:in `tagged'
 - railties (5.1.4) lib/rails/rack/logger.rb:24:in `call'
 - sprockets-rails (3.2.1) lib/sprockets/rails/quiet_assets.rb:13:in `call'
 - actionpack (5.1.4) lib/action_dispatch/middleware/remote_ip.rb:79:in `call'
 - actionpack (5.1.4) lib/action_dispatch/middleware/request_id.rb:25:in `call'
 - rack (2.0.3) lib/rack/runtime.rb:22:in `call'
 - activesupport (5.1.4) lib/active_support/cache/strategy/local_cache_middleware.rb:27:in `call'
 - actionpack (5.1.4) lib/action_dispatch/middleware/executor.rb:12:in `call'
 - actionpack (5.1.4) lib/action_dispatch/middleware/static.rb:125:in `call'
 - rack (2.0.3) lib/rack/sendfile.rb:111:in `call'
 - rack-mini-profiler (0.10.5) lib/mini_profiler/profiler.rb:282:in `call'
 - railties (5.1.4) lib/rails/engine.rb:522:in `call'
 - rack-cors (1.0.1) lib/rack/cors.rb:93:in `call'
 - puma (3.10.0) lib/puma/configuration.rb:225:in `call'
 - puma (3.10.0) lib/puma/server.rb:605:in `handle_request'
 - puma (3.10.0) lib/puma/server.rb:437:in `process_client'
 - puma (3.10.0) lib/puma/server.rb:301:in `block in run'
 - puma (3.10.0) lib/puma/thread_pool.rb:120:in `block in spawn_thread'