安装完 homeland,启动服务，在浏览器中打开，发现 role "root" does not exist 错误，具体如下

stone1 — Sat, 29 Sep 2018 08:22:17 +0800
FATAL: role "root" does not exist 


Extracted source (around line #688): 


686
687
688
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691

         rescue ::PG::Error => error

          if error.message.include?("does not exist")

            raise ActiveRecord::NoDatabaseError

          else

            raise

          end




Rails.root: /root/home/homeland

Application Trace | Framework Trace | Full Trace 



activerecord (5.2.0) lib/active_record/connection_adapters/postgresql_adapter.rb:688:in `rescue in connect'
activerecord (5.2.0) lib/active_record/connection_adapters/postgresql_adapter.rb:683:in `connect'
activerecord (5.2.0) lib/active_record/connection_adapters/postgresql_adapter.rb:215:in `initialize'
activerecord (5.2.0) lib/active_record/connection_adapters/postgresql_adapter.rb:40:in `new'
activerecord (5.2.0) lib/active_record/connection_adapters/postgresql_adapter.rb:40:in `postgresql_connection'
activerecord (5.2.0) lib/active_record/connection_adapters/abstract/connection_pool.rb:809:in `new_connection'
activerecord (5.2.0) lib/active_record/connection_adapters/abstract/connection_pool.rb:853:in `checkout_new_connection'
activerecord (5.2.0) lib/active_record/connection_adapters/abstract/connection_pool.rb:832:in `try_to_checkout_new_connection'
activerecord (5.2.0) lib/active_record/connection_adapters/abstract/connection_pool.rb:793:in `acquire_connection'
activerecord (5.2.0) lib/active_record/connection_adapters/abstract/connection_pool.rb:521:in `checkout'
activerecord (5.2.0) lib/active_record/connection_adapters/abstract/connection_pool.rb:380:in `connection'
activerecord (5.2.0) lib/active_record/connection_adapters/abstract/connection_pool.rb:1008:in `retrieve_connection'
activerecord (5.2.0) lib/active_record/connection_handling.rb:118:in `retrieve_connection'
activerecord (5.2.0) lib/active_record/connection_handling.rb:90:in `connection'
activerecord (5.2.0) lib/active_record/migration.rb:554:in `call'
actionpack (5.2.0) lib/action_dispatch/middleware/callbacks.rb:28:in `block in call'
activesupport (5.2.0) lib/active_support/callbacks.rb:98:in `run_callbacks'
actionpack (5.2.0) lib/action_dispatch/middleware/callbacks.rb:26:in `call'
actionpack (5.2.0) lib/action_dispatch/middleware/executor.rb:14:in `call'
better_errors (2.4.0) lib/better_errors/middleware.rb:59:in `call'
actionpack (5.2.0) lib/action_dispatch/middleware/debug_exceptions.rb:61:in `call'
actionpack (5.2.0) lib/action_dispatch/middleware/show_exceptions.rb:33:in `call'
railties (5.2.0) lib/rails/rack/logger.rb:38:in `call_app'
railties (5.2.0) lib/rails/rack/logger.rb:26:in `block in call'
activesupport (5.2.0) lib/active_support/tagged_logging.rb:71:in `block in tagged'
activesupport (5.2.0) lib/active_support/tagged_logging.rb:28:in `tagged'
activesupport (5.2.0) lib/active_support/tagged_logging.rb:71:in `tagged'
railties (5.2.0) lib/rails/rack/logger.rb:26:in `call'
sprockets-rails (3.2.1) lib/sprockets/rails/quiet_assets.rb:13:in `call'
actionpack (5.2.0) lib/action_dispatch/middleware/remote_ip.rb:81:in `call'
actionpack (5.2.0) lib/action_dispatch/middleware/request_id.rb:27:in `call'
rack (2.0.5) lib/rack/method_override.rb:22:in `call'
rack (2.0.5) lib/rack/runtime.rb:22:in `call'
activesupport (5.2.0) lib/active_support/cache/strategy/local_cache_middleware.rb:29:in `call'
actionpack (5.2.0) lib/action_dispatch/middleware/executor.rb:14:in `call'
actionpack (5.2.0) lib/action_dispatch/middleware/static.rb:127:in `call'
rack (2.0.5) lib/rack/sendfile.rb:111:in `call'
rack-cors (1.0.2) lib/rack/cors.rb:97:in `call'
rack-utf8_sanitizer (1.5.0) lib/rack/utf8_sanitizer.rb:22:in `call'
railties (5.2.0) lib/rails/engine.rb:524:in `call'
puma (3.11.4) lib/puma/configuration.rb:225:in `call'
puma (3.11.4) lib/puma/server.rb:632:in `handle_request'
puma (3.11.4) lib/puma/server.rb:446:in `process_client'
puma (3.11.4) lib/puma/server.rb:306:in `block in run'
puma (3.11.4) lib/puma/thread_pool.rb:120:in `block in spawn_thread'
stone1 (stone2)

安装完 homeland,启动服务，在浏览器中打开，发现 role "root" does not exist 错误，具体如下
