Warning: mysql_connect() [function.mysql-connect]: php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/mastermace/wallpapertree.com/mysql.php on line 8

Warning: mysql_connect() [function.mysql-connect]: [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known (trying to connect via tcp://wallpapertree.wallpapertree.com:3306) in /home/mastermace/wallpapertree.com/mysql.php on line 8

Warning: mysql_connect() [function.mysql-connect]: php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/mastermace/wallpapertree.com/mysql.php on line 8
I cannot connect to the database because: php_network_getaddresses: getaddrinfo failed: Name or service not known