Additional uncaught exception thrown while handling exception.

Original

PDOException: SQLSTATE[HY000] [2013] Lost connection to MySQL server at 'reading initial communication packet', system error: 111 in lock_may_be_available() (line 167 of /var/www/html/wwwroot/ready_gov_build/Rel9/includes/lock.inc).

Additional

PDOException: SQLSTATE[HY000] [8] Master database server is not reachable. in lock_may_be_available() (line 167 of /var/www/html/wwwroot/ready_gov_build/Rel9/includes/lock.inc).