Additional uncaught exception thrown while handling exception.

Original

RedisException: read error on connection in Redis->exec() (line 70 of /mnt/sre_apps2/webmd/apps/mdedge/htdocs/sites/all/modules/contrib/redis/lib/Redis/Cache/PhpRedis.php).

Additional

RedisException: read error on connection in Redis->exec() (line 70 of /mnt/sre_apps2/webmd/apps/mdedge/htdocs/sites/all/modules/contrib/redis/lib/Redis/Cache/PhpRedis.php).