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I have an API i want to deploy to OpenShift, everything works locally, but when trying to use it online i get some problems. When trying to connect to the database, using PDO, i get this error:

Failed to connect to the database: SQLSTATE[HY000] [2002] Connection refused

i have the database set up correctly, and i have the correct details for the connection (im pretty sure). heres some code:

$username = "myuser"; 
$password = "lmnop"; 
$host = "127.0.0.1"; 
$dbname = "loginapi"; 
$port = "3306";

$db = new PDO("mysql:host={$host};port={$port};dbname={$dbname};charset=utf8", $username, $password, $options);

what could be wrong that OpenShift is not allowing the connection? considering that this works on my local machine?

thanks!

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Try each of these steps, clear cache, refresh and check

  1. From $host = "127.0.0.1"; change to $host = "localhost";

  2. Check whether the default port is 3306 or anything else. Check the process name and port

    netstat -tln

  3. Enable skip-networking (comment out # ) in my.cnf

  4. Have a look in /etc/hosts as well to ensure everything is fine there

  5. Also --bind-address if set to 127.0.0.1, the server accepts connections only on that address

| improve this answer | |
  • Explanation is that mysql uses a unix socket for communication when using localhost but tries a network connection with the IP address. Often the mysql daemon doesn't listen on the network (via the skip-networking directive) for security reasons. – wurtel May 8 '15 at 14:29

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