Additional uncaught exception thrown while handling exception.

Original

RedisException: Connection refused in Redis->connect() (line 14 of /var/app/current/web/sites/all/modules/contrib/redis/lib/Redis/Client/PhpRedis.php).

Additional

RedisException: Connection refused in Redis->connect() (line 14 of /var/app/current/web/sites/all/modules/contrib/redis/lib/Redis/Client/PhpRedis.php).