Additional uncaught exception thrown while handling exception.

Original

PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT expire, value FROM {semaphore} WHERE name = :name; Array ( [:name] => rules_get_cacherules_event_whitelist ) in lock_may_be_available() (line 167 of /var/www/websites/drupal-7.52/includes/lock.inc).

Additional

PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT expire, value FROM {semaphore} WHERE name = :name; Array ( [:name] => rules_get_cacherules_event_whitelist ) in lock_may_be_available() (line 167 of /var/www/websites/drupal-7.52/includes/lock.inc).


Uncaught exception thrown in shutdown function.

PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: DELETE FROM {semaphore} WHERE (value = :db_condition_placeholder_0) ; Array ( [:db_condition_placeholder_0] => 6670515215d0788f14791d1.19108619 ) in lock_release_all() (line 269 of /var/www/websites/drupal-7.52/includes/lock.inc).