[EC-CUBE] 4.x系
[レンタルサーバ] ローカルホスト
[OS] Mac MAMP
[PHP] 7.x
[データベース] MySQL
[WEBサーバ] localhost(MAMP)
[ブラウザ] Chrome
[導入プラグインの有無] なし
[カスタマイズの有無] なし
[現象]
https://sorovider.com/2019/03/20/ec-cube4%E3%81%A7%E5%95%86%E5%93%81%E9%A0%85%E7%9B%AE%E7%AD%89%E3%81%AE%E8%BF%BD%E5%8A%A0/
上記URLを参考に、「php bin/console doctrine:schema:update --dump-sql」のコマンドを実行したところ以下エラーがでたので、その解決をしたいです。
MAMPで開発してますがその影響でしょうか？

■エラーコード
php bin/console doctrine:schema:update --dump-sql
21:45:00 ERROR [console] Error thrown while running command "'doctrine:schema:update' --dump-sql". Message: "An exception occurred in driver: SQLSTATE[HY000] [2002] Connection refused" ["exception" => Doctrine\DBAL\Exception\ConnectionException { …},"command" => "'doctrine:schema:update' --dump-sql","message" => "An exception occurred in driver: SQLSTATE[HY000] [2002] Connection refused"] ["file" => "/Applications/MAMP/htdocs/ec-cube/vendor/symfony/console/EventListener/ErrorListener.php","line" => 48,"class" => "Symfony\Component\Console\EventListener\ErrorListener","function" => "onConsoleError","uid" => "205e86b","user_id" => "N/A","session_id" => "N/A"]

In AbstractMySQLDriver.php line 93:

An exception occurred in driver: SQLSTATE[HY000] [2002] Connection refused


In PDOConnection.php line 31:

SQLSTATE[HY000] [2002] Connection refused