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【 ActiveRecord::NoDatabaseError 】が出たら試してみる事!

Posted at

##$rails db:createを入力⇒下記のエラー発生##

FATAL: role "username" does not exist Couldn't create database for {"adapter"=>"postgresql", "encoding"=>"unicode", "pool"=>5, "username"=>"username", "password"=>"password", "host"=>"db", "database"=>"db_development"} rails aborted! ActiveRecord::NoDatabaseError: FATAL: role "username" does not exist

##解決策##

1.$ psql -q -c'select * from pg_user' postgres
⇒「username」のロールがあるか確認をする。

2.createuser usernameでロール作成

3.$rails db:create

##ポイント##

FATAL: role "username" does not exist とは、データーベースにusernameが無いから作成するように教えてくれてるんですね。

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