Fatal error: Uncaught CredisException: Connection to Redis 127.0.0.1:6379 failed after 2 failures.Last Error : (1) Connection refused in /data/web/magento2/vendor/colinmollenhour/credis/Client.php:508 Stack trace: #0 /data/web/magento2/vendor/colinmollenhour/credis/Client.php(504): Credis_Client->connect() #1 /data/web/magento2/vendor/colinmollenhour/credis/Client.php(850): Credis_Client->connect() #2 /data/web/magento2/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(485): Credis_Client->__call() #3 /data/web/magento2/vendor/magento/zendframework1/library/Zend/Cache/Core.php(306): Cm_Cache_Backend_Redis->load() #4 /data/web/magento2/vendor/magento/framework/Cache/Frontend/Adapter/Zend.php(55): Zend_Cache_Core->load() #5 /data/web/magento2/vendor/magento/framework/Cache/Frontend/Decorator/Bare.php(65): Magento\Framework\Cache\Frontend\Adapter\Zend->load() #6 /data/web/magento2/vendor/magento/framework/Cache/Frontend/Decorator/Bare.php(65): Magento\Framework\Cache\Frontend\Decorator\Bare->load() #7 /da in /data/web/magento2/vendor/colinmollenhour/credis/Client.php on line 508