Fatal error: Uncaught PDOException: PDO::__construct(): Error while reading greeting packet. PID=3831 in /var/www/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:43 Stack trace: #0 /var/www/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(43): PDO->__construct() #1 /var/www/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOMySql/Driver.php(41): Doctrine\DBAL\Driver\PDOConnection->__construct() #2 /var/www/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(360): Doctrine\DBAL\Driver\PDOMySql\Driver->connect() #3 /var/www/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(429): Doctrine\DBAL\Connection->connect() #4 /var/www/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(389): Doctrine\DBAL\Connection->getDatabasePlatformVersion() #5 /var/www/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(328): Doctrine\DBAL\Connection->detectDatabasePlatform() #6 /var/www/vendor/doctrine/doctrine-bundle/ConnectionFactory.php(84): Doctrine\DBAL\Connection->getDatabasePlatform() #7 /var/www/v in /var/www/vendor/doctrine/doctrine-bundle/ConnectionFactory.php on line 86