Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Connection refused in /data/webapps/huoniu_taoke/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:43 Stack trace: #0 /data/webapps/huoniu_taoke/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(43): PDO->__construct('mysql:host=127....', 'root', 'root', Array) #1 /data/webapps/huoniu_taoke/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOMySql/Driver.php(41): Doctrine\DBAL\Driver\PDOConnection->__construct('mysql:host=127....', 'root', 'root', Array) #2 /data/webapps/huoniu_taoke/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(360): Doctrine\DBAL\Driver\PDOMySql\Driver->connect(Array, 'root', 'root', Array) #3 /data/webapps/huoniu_taoke/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(429): Doctrine\DBAL\Connection->connect() #4 /data/webapps/huoniu_taoke/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(389): Doctrine\DBAL\Connection->getDatabasePlatformVersion() #5 /data/webapps/huoniu_taoke/vendor/doctrine/dbal/lib/Do in /data/webapps/huoniu_taoke/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php on line 103