Additional uncaught exception thrown while handling exception.

Original

Error: Call to undefined function module_list() in bootstrap_invoke_all() (line 1343 of /home/site/wwwroot/includes/bootstrap.inc).

Additional

RedisException: php_network_getaddresses: getaddrinfo failed: Try again in Redis->connect() (line 14 of /home/site/wwwroot/sites/all/modules/redis/lib/Redis/Client/PhpRedis.php).