Additional uncaught exception thrown while handling exception.

Original

PDOException: SQLSTATE[HY000] [2002] No such file or directory in drupal_is_denied() (line 2193 of /srv/http/sapi/sapi/www/includes/bootstrap.inc).

Additional

PDOException: SQLSTATE[HY000] [2002] No such file or directory in db_select() (line 2579 of /srv/http/sapi/sapi/www/includes/database/database.inc).