Additional uncaught exception thrown while handling exception.

Original

RedisException: read error on connection to redis-rw.btc2.internal:6379 in Redis->hMget() (line 27 of /var/www/html/sites/all/modules/contrib/redis/lib/Redis/Cache/PhpRedis.php).

Additional

RedisException: read error on connection to redis-rw.btc2.internal:6379 in Redis->hMget() (line 27 of /var/www/html/sites/all/modules/contrib/redis/lib/Redis/Cache/PhpRedis.php).