request.CRITICAL: Uncaught PHP Exception DoctrineDBALExceptionConnectionException: "An exception occured in driver: SQLSTATE[HY000] [2002] Connection refused" ...

parameters:
    database_host: 127.0.0.1
    database_port: 3316
    database_name: myDbName
    database_user: MyUserName
    database_password: MyPassword
    database_unix_socket: /tmp/mysql5.sock

doctrine:
    dbal:
    driver:   pdo_mysql
    host:     "%database_host%"
    port:     "%database_port%"
    dbname:   "%database_name%"
    user:     "%database_user%"
    password: "%database_password%"
    unix_socket: "%database_unix_socket%"
    charset:  UTF8