Additional uncaught exception thrown while handling exception.

Original

PDOException: SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) in drupal_is_denied() (line 1883 of /home/hilehost/gb500/d7/d7/includes/bootstrap.inc).

Additional

PDOException: SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) in dblog_watchdog() (line 144 of /home/hilehost/gb500/d7/d7/modules/dblog/dblog.module).