Failed to connect to Redis at 103.147.157.110:6379, the error returned was: Connection refused

line 355 of /cache/stores/redis/lib.php: call to debugging()
line 217 of /cache/stores/redis/lib.php: call to cachestore_redis->new_redis()
line 291 of /cache/classes/factory.php: call to cachestore_redis->__construct()
line 143 of /cache/classes/helper.php: call to core_cache\factory->create_store_from_config()
line 128 of /cache/classes/helper.php: call to core_cache\helper::initialise_cachestore_instances()
line 828 of /cache/classes/helper.php: call to core_cache\helper::get_cache_stores()
line 254 of /cache/classes/factory.php: call to core_cache\helper::get_stores_suitable_for_definition()
line 204 of /cache/classes/factory.php: call to core_cache\factory->create_cache()
line 190 of /cache/classes/cache.php: call to core_cache\factory->create_cache_from_definition()
line 1045 of /lib/moodlelib.php: call to core_cache\cache::make()
line 566 of /lib/setuplib.php: call to get_config()
line 742 of /lib/setup.php: call to initialise_cfg()
line 80 of /config.php: call to require_once()
line 30 of /index.php: call to require_once()

Failed to connect (try 1 out of 3) to Redis at redis:6379, the error returned was: php_network_getaddresses: getaddrinfo for redis failed: Temporary failure in name resolution

line 396 of /lib/classes/session/redis.php: call to debugging()
line 149 of /lib/classes/session/manager.php: call to core\session\redis->init()
line 136 of /lib/classes/session/manager.php: call to core\session\manager::start_session()
line 907 of /lib/setup.php: call to core\session\manager::start()
line 80 of /config.php: call to require_once()
line 30 of /index.php: call to require_once()

Failed to connect (try 2 out of 3) to Redis at redis:6379, the error returned was: php_network_getaddresses: getaddrinfo for redis failed: Temporary failure in name resolution

line 396 of /lib/classes/session/redis.php: call to debugging()
line 149 of /lib/classes/session/manager.php: call to core\session\redis->init()
line 136 of /lib/classes/session/manager.php: call to core\session\manager::start_session()
line 907 of /lib/setup.php: call to core\session\manager::start()
line 80 of /config.php: call to require_once()
line 30 of /index.php: call to require_once()

Failed to connect (try 3 out of 3) to Redis at redis:6379, the error returned was: php_network_getaddresses: getaddrinfo for redis failed: Temporary failure in name resolution

line 396 of /lib/classes/session/redis.php: call to debugging()
line 149 of /lib/classes/session/manager.php: call to core\session\redis->init()
line 136 of /lib/classes/session/manager.php: call to core\session\manager::start_session()
line 907 of /lib/setup.php: call to core\session\manager::start()
line 80 of /config.php: call to require_once()
line 30 of /index.php: call to require_once()

Error

Exception - Failed to connect (try 3 out of 3) to Redis at redis:6379, the error returned was: php_network_getaddresses: getaddrinfo for redis failed: Temporary failure in name resolution

Debug info:
Error code: generalexceptionmessage

Stack trace:

line 405 of /lib/classes/session/redis.php: RedisException thrown
line 149 of /lib/classes/session/manager.php: call to core\session\redis->init()
line 136 of /lib/classes/session/manager.php: call to core\session\manager::start_session()
line 907 of /lib/setup.php: call to core\session\manager::start()
line 80 of /config.php: call to require_once()
line 30 of /index.php: call to require_once()