Fatal error: Uncaught CredisException: Connection to Redis unix:///sock/redis.sock failed after 2 failures.Last Error : (1) Connection refused in /var/www/html/vendor/colinmollenhour/credis/Client.php:590 Stack trace: #0 /var/www/html/vendor/colinmollenhour/credis/Client.php(586): Credis_Client->connect() #1 /var/www/html/vendor/colinmollenhour/credis/Client.php(973): Credis_Client->connect() #2 /var/www/html/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(502): Credis_Client->__call('hGet', Array) #3 /var/www/html/vendor/magento/zend-cache/library/Zend/Cache/Core.php(306): Cm_Cache_Backend_Redis->load('792_GLOBAL_PRIM...', false) #4 /var/www/html/vendor/magento/framework/Cache/Frontend/Adapter/Zend.php(55): Zend_Cache_Core->load('792_GLOBAL_PRIM...') #5 /var/www/html/vendor/magento/framework/Cache/Frontend/Decorator/Bare.php(65): Magento\Framework\Cache\Frontend\Adapter\Zend->load('global|primary|...') #6 /var/www/html/vendor/magento/framework/Cache/Frontend/Decorator/Bare.php(65): Magento\Framework\Cache\Frontend\Decorator\Bare->load('global|primary|...') #7 /var/www/html/vendor/magento/framework/Cache/Frontend/Decorator/Bare.php(65): Magento\Framework\Cache\Frontend\Decorator\Bare->load('global|primary|...') #8 /var/www/html/vendor/magento/framework/App/Cache/Type/AccessProxy.php(74): Magento\Framework\Cache\Frontend\Decorator\Bare->load('global|primary|...') #9 /var/www/html/vendor/magento/framework/Cache/Frontend/Decorator/Bare.php(65): Magento\Framework\App\Cache\Type\AccessProxy->load('global|primary|...') #10 /var/www/html/vendor/magento/framework/Interception/PluginList/PluginList.php(227): Magento\Framework\Cache\Frontend\Decorator\Bare->load('global|primary|...') #11 /var/www/html/vendor/magento/framework/Interception/PluginList/PluginList.php(190): Magento\Framework\Interception\PluginList\PluginList->_loadScopedData() #12 /var/www/html/generated/code/Magento/Framework/HTTP/PhpEnvironment/Response/Interceptor.php(84): Magento\Framework\Interception\PluginList\PluginList->getNext('Magento\\Framewo...', 'clearHeaders') #13 /var/www/html/vendor/magento/framework/App/Bootstrap.php(434): Magento\Framework\HTTP\PhpEnvironment\Response\Interceptor->clearHeaders() #14 /var/www/html/vendor/magento/framework/App/Bootstrap.php(275): Magento\Framework\App\Bootstrap->terminate(Object(CredisException)) #15 /var/www/html/pub/index.php(30): Magento\Framework\App\Bootstrap->run(Object(Magento\Framework\App\Http\Interceptor)) #16 {main} thrown in /var/www/html/vendor/colinmollenhour/credis/Client.php on line 590