在浏览器中输入localhost：3000时,我收到上述错误.我已经尝试重新启动浏览器,但这没有工作.
这是Rubymine中服务器控制台的堆栈跟踪：
PG::ConnectionBad (FATAL: role "BetBook3" is not permitted to log in ): activerecord (3.2.8) lib/active_record/connection_adapters/postgresql_adapter.rb:1213:in `initialize' activerecord (3.2.8) lib/active_record/connection_adapters/postgresql_adapter.rb:1213:in `new' activerecord (3.2.8) lib/active_record/connection_adapters/postgresql_adapter.rb:1213:in `connect' activerecord (3.2.8) lib/active_record/connection_adapters/postgresql_adapter.rb:329:in `initialize' activerecord (3.2.8) lib/active_record/connection_adapters/postgresql_adapter.rb:28:in `new' activerecord (3.2.8) lib/active_record/connection_adapters/postgresql_adapter.rb:28:in `postgresql_connection' activerecord (3.2.8) lib/active_record/connection_adapters/abstract/connection_pool.rb:309:in `new_connection' activerecord (3.2.8) lib/active_record/connection_adapters/abstract/connection_pool.rb:319:in `checkout_new_connection' activerecord (3.2.8) lib/active_record/connection_adapters/abstract/connection_pool.rb:241:in `block (2 levels) in checkout' activerecord (3.2.8) lib/active_record/connection_adapters/abstract/connection_pool.rb:236:in `loop' activerecord (3.2.8) lib/active_record/connection_adapters/abstract/connection_pool.rb:236:in `block in checkout' C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize' activerecord (3.2.8) lib/active_record/connection_adapters/abstract/connection_pool.rb:233:in `checkout' activerecord (3.2.8) lib/active_record/connection_adapters/abstract/connection_pool.rb:96:in `block in connection' C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize' activerecord (3.2.8) lib/active_record/connection_adapters/abstract/connection_pool.rb:95:in `connection' activerecord (3.2.8) lib/active_record/connection_adapters/abstract/connection_pool.rb:404:in `retrieve_connection' activerecord (3.2.8) lib/active_record/connection_adapters/abstract/connection_specification.rb:170:in `retrieve_connection' activerecord (3.2.8) lib/active_record/connection_adapters/abstract/connection_specification.rb:144:in `connection' activerecord (3.2.8) lib/active_record/query_cache.rb:67:in `rescue in call' activerecord (3.2.8) lib/active_record/query_cache.rb:61:in `call' activerecord (3.2.8) lib/active_record/connection_adapters/abstract/connection_pool.rb:473:in `call' actionpack (3.2.8) lib/action_dispatch/middleware/callbacks.rb:28:in `block in call' activesupport (3.2.8) lib/active_support/callbacks.rb:405:in `_run__555291250__call__204891181__callbacks' activesupport (3.2.8) lib/active_support/callbacks.rb:405:in `__run_callback' activesupport (3.2.8) lib/active_support/callbacks.rb:385:in `_run_call_callbacks' activesupport (3.2.8) lib/active_support/callbacks.rb:81:in `run_callbacks' actionpack (3.2.8) lib/action_dispatch/middleware/callbacks.rb:27:in `call' actionpack (3.2.8) lib/action_dispatch/middleware/reloader.rb:65:in `call' actionpack (3.2.8) lib/action_dispatch/middleware/remote_ip.rb:31:in `call' actionpack (3.2.8) lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call' actionpack (3.2.8) lib/action_dispatch/middleware/show_exceptions.rb:56:in `call' railties (3.2.8) lib/rails/rack/logger.rb:26:in `call_app' railties (3.2.8) lib/rails/rack/logger.rb:16:in `call' actionpack (3.2.8) lib/action_dispatch/middleware/request_id.rb:22:in `call' rack (1.4.5) lib/rack/methodoverride.rb:21:in `call' rack (1.4.5) lib/rack/runtime.rb:17:in `call' activesupport (3.2.8) lib/active_support/cache/strategy/local_cache.rb:72:in `call' rack (1.4.5) lib/rack/lock.rb:15:in `call' actionpack (3.2.8) lib/action_dispatch/middleware/static.rb:62:in `call' railties (3.2.8) lib/rails/engine.rb:479:in `call' railties (3.2.8) lib/rails/application.rb:223:in `call' rack (1.4.5) lib/rack/content_length.rb:14:in `call' railties (3.2.8) lib/rails/rack/log_tailer.rb:17:in `call' rack (1.4.5) lib/rack/handler/webrick.rb:59:in `service' C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:138:in `service' C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:94:in `run' C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/server.rb:191:in `block in start_thread'
我一直在关注本教程,我删除了defalt主页并路由到我自己的位置：
http://www.codeproject.com/Articles/575551/User-Authentication-in-Ruby-on-Rails
解决方法
该错误消息解释了问题.
ALTER ROLE "BetBook3" WITH LOGIN;