Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[HY000] [2002] Connection refused' in /www/wwwroot/pejwlzjy.pes.gov.cn/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:36 Stack trace: #0 /www/wwwroot/pejwlzjy.pes.gov.cn/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(36): PDO->__construct('mysql:host=10.1...', 'pejwlzjy', 'Xi7fZL4t7dctLG2...', Array) #1 /www/wwwroot/pejwlzjy.pes.gov.cn/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOMySql/Driver.php(47): Doctrine\DBAL\Driver\PDOConnection->__construct('mysql:host=10.1...', 'pejwlzjy', 'Xi7fZL4t7dctLG2...', Array) #2 /www/wwwroot/pejwlzjy.pes.gov.cn/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(350): Doctrine\DBAL\Driver\PDOMySql\Driver->connect(Array, 'pejwlzjy', 'Xi7fZL4t7dctLG2...', Array) #3 /www/wwwroot/pejwlzjy.pes.gov.cn/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(811): Doctrine\DBAL\Connection->connect() #4 /www/wwwroot/pejwlzjy.pes.gov.cn/web/app.php(48): Doctrine\DBAL\Connection->exec('SET NAM in /www/wwwroot/pejwlzjy.pes.gov.cn/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php on line 36