我在AWS中设置了MySQL RDS实例。在实例化实例后,我尝试从EC2的命令行连接它,并且它没有问题。但是,当我尝试通过我的PHP代码连接时,我得到了错误。以下是我尝试测试连接的示例代码。无法通过PDO连接到AWS RDS
<?php
try{
$dbh = new pdo('aws-test-db.hibizibi.us-west-2.rds.amazonaws.com;dbname=test',
'root',
'password',
array(PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION));
die(json_encode(array('outcome' => true)));
}
catch(PDOException $ex){
die(json_encode(array('outcome' => false, 'message' => 'Unable to connect')));
}
我得到{"outcome":false,"message":"Unable to connect"}
。我的原始代码是使用idiorm(使用PDO)。与数据库连接的部分看起来像下面:
# configure ORM
ORM::configure('mysql:host='.DB_SERVER.';dbname='.DB_NAME);
ORM::configure('username', DB_SERVER_USERNAME);
ORM::configure('password', DB_SERVER_PASSWORD);
从上面我得到下面的错误跟踪:
SQLSTATE[HY000] [2005] Unknown MySQL server host 'aws-test-db.hibizibi.us-west-2.rds.amazonaws.com:3306' (11)
#0 /var/www/html/main/admin/applications/vendors/idiorm/idiorm.php(255): PDO->__construct('mysql:host=aws-...', 'root', 'password', NULL)
#1 /var/www/html/main/admin/applications/vendors/idiorm/idiorm.php(237): ORM::_setup_db('default')
UPDATE
我更新了我的测试代码,试图利用连接mysql扩展,它与mysql一起工作,但不适用于PDO
<?php
$servername = "aws-test-db.hizibizi.us-west-2.rds.amazonaws.com";
$username = "root";
$password = "password";
$dbname='test';
try{
$dbh = new pdo(
'mysql:'.$servername.';dbname='.$dbname.';',
$username,
$password,
array(PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION)
);
die(json_encode(array('outcome' => true)));
} catch(PDOException $ex) {
echo json_encode(array('outcome' => false, 'message' => $ex->getMessage()))."\n";
}
// Create connection
$conn = mysqli_connect($servername, $username, $password);
// Check connection
if (!$conn) {
die("Connection failed: " . mysqli_connect_error());
}
echo "Connected successfully\n";
现在,我在尝试通过PDO进行连接时得到了{"outcome":false,"message":"SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '\/var\/lib\/mysql\/mysql.sock' (2)"}
。我通过mysql的尝试是成功的。似乎这个问题是专门针对PDO的。有什么我可以检查吗?
您是否缺少$ dbport = $ _SERVER ['RDS_PORT'];在PHP代码? – error2007s
不应该默认尝试3306? –
尝试替换aws-test-db.hibizibi.us-west-2.rds.amazonaws.com; dbname = test; port = 3306;在dbh,然后看看你是否能够连接? – error2007s