Additional uncaught exception thrown while handling exception.

Original

PDOException: SQLSTATE[HY000] [1040] Too many connections in drupal_lookup_path() (line 176 of /var/www/drupal7/includes/path.inc).

Additional

PDOException: SQLSTATE[HY000] [1040] Too many connections in dblog_watchdog() (line 147 of /var/www/drupal7/modules/dblog/dblog.module).