Additional uncaught exception thrown while handling exception.

Original

PDOException: SQLSTATE[08004] [1040] Too many connections in _registry_check_code() (line 3169 of /www/drupal7/includes/bootstrap.inc).

Additional

PDOException: SQLSTATE[08004] [1040] Too many connections in _registry_check_code() (line 3169 of /www/drupal7/includes/bootstrap.inc).