Additional uncaught exception thrown while handling exception.

Original

RedisException: OOM command not allowed when used memory > 'maxmemory'. in Redis->setex() (line 67 of /var/www/dsd/sites/all/modules/contrib/redis/lib/Redis/Lock/PhpRedis.php).

Additional

RedisException: OOM command not allowed when used memory > 'maxmemory'. in Redis->hGetAll() (line 48 of /var/www/dsd/sites/all/modules/contrib/redis/lib/Redis/Cache/PhpRedis.php).