Array
(
    [0] => 500 Service unavailable (with message)
    [1] => Array
        (
            [%type] => PDOException
            [!message] => SQLSTATE[HY000] [2002] No such file or directory
            [%function] => lock_may_be_available()
            [%file] => /var/www/rusvesna.su/public_html/includes/lock.inc
            [%line] => 167
            [severity_level] => 3
        )

)