Fatal error: Uncaught PDOException: PDO::__construct(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /www/h/huyghesara1_h1/www/dao/DAO.php:21 Stack trace: #0 /www/h/huyghesara1_h1/www/dao/DAO.php(21): PDO->__construct() #1 /www/h/huyghesara1_h1/www/controller/WorkController.php(10): DAO->__construct() #2 /www/h/huyghesara1_h1/www/index.php(30): WorkController->__construct() #3 {main} Next PDOException: SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known in /www/h/huyghesara1_h1/www/dao/DAO.php:21 Stack trace: #0 /www/h/huyghesara1_h1/www/dao/DAO.php(21): PDO->__construct() #1 /www/h/huyghesara1_h1/www/controller/WorkController.php(10): DAO->__construct() #2 /www/h/huyghesara1_h1/www/index.php(30): WorkController->__construct() #3 {main} thrown in /www/h/huyghesara1_h1/www/dao/DAO.php on line 21