PG :: ConnectionBad FATAL：角色「myapp」不存在

但是，當我轉到本地主機時，我可以使用postgres.app在Mac上使用postgres.app在應用程序內部沒有任何問題地輸入rails s： 3000它給了我這個錯誤：PG :: ConnectionBad FATAL：角色「myapp」不存在

PG::ConnectionBad 
FATAL: role "myapp" does not exist

我起初以爲問題是database.yml文件，但Heroku的文檔，甚至說有它的方式是：https://devcenter.heroku.com/articles/getting-started-with-rails4

development: 
adapter: postgresql 
encoding: unicode 
database: myapp_development 
pool: 5 
username: myapp 
password:

這裏是我的完整的日誌。我見過類似的問題，但他們只是模糊地涉及到這一點。

片段：

Started GET "/" for 127.0.0.1 at 2014-03-25 16:48:31 -0600 

PG::ConnectionBad (FATAL: role "myapp" does not exist 
): 
    activerecord (4.0.2) lib/active_record/connection_adapters/postgresql_adapter.rb:831:in `initialize' 
    activerecord (4.0.2) lib/active_record/connection_adapters/postgresql_adapter.rb:831:in `new' 
    activerecord (4.0.2) lib/active_record/connection_adapters/postgresql_adapter.rb:831:in `connect' 
    activerecord (4.0.2) lib/active_record/connection_adapters/postgresql_adapter.rb:548:in `initialize' 
    activerecord (4.0.2) lib/active_record/connection_adapters/postgresql_adapter.rb:41:in `new' 
    activerecord (4.0.2) lib/active_record/connection_adapters/postgresql_adapter.rb:41:in `postgresql_connection' 
    activerecord (4.0.2) lib/active_record/connection_adapters/abstract/connection_pool.rb:440:in `new_connection' 
    activerecord (4.0.2) lib/active_record/connection_adapters/abstract/connection_pool.rb:450:in `checkout_new_connection' 
    activerecord (4.0.2) lib/active_record/connection_adapters/abstract/connection_pool.rb:421:in `acquire_connection' 
    activerecord (4.0.2) lib/active_record/connection_adapters/abstract/connection_pool.rb:356:in `block in checkout' 
    /Users/johncurry/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/2.0.0/monitor.rb:211:in `mon_synchronize' 
    activerecord (4.0.2) lib/active_record/connection_adapters/abstract/connection_pool.rb:355:in `checkout' 
    activerecord (4.0.2) lib/active_record/connection_adapters/abstract/connection_pool.rb:265:in `block in connection' 
    /Users/johncurry/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/2.0.0/monitor.rb:211:in `mon_synchronize' 
    activerecord (4.0.2) lib/active_record/connection_adapters/abstract/connection_pool.rb:264:in `connection' 
    activerecord (4.0.2) lib/active_record/connection_adapters/abstract/connection_pool.rb:546:in

有什麼建議？

來源

2014-03-25 user3138341

的可能的複製[PG :: ConnectionBad FATAL：角色「的Myname」不存在（ http://stackoverflow.com/questions/23338356/pgconnectionbad-fatal-role-myname-does-not-exist） – Meekohi

您需要在本地機器上創建Postgres用戶。角色是您的用戶名。

來源

2014-03-25 23:14:35 CWitty

看來您並沒有爲應用程序創建用戶帳戶。在psql：

CREATE USER myapp WITH PASSWORD 'thepassword';

您還需要創建一個數據庫，如果你還沒有：

CREATE DATABASE myapp_development OWNER myapp;

來源

2014-03-26 02:00:56

是'所有者'的應用程序的所有者 - 或者只是從字面上'所有者' –

字面上'所有者'。這是一個關鍵字。請參閱「CREATE DATABASE」手冊。 –

感謝您的區別。 –

PG :: ConnectionBad FATAL：角色「myapp」不存在

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