Fatal error: Uncaught CredisException: Connection to Redis redis:6379 failed after 2 failures.Last Error : (1) Connection refused in /var/www/html/vendor/colinmollenhour/credis/Client.php:475 Stack trace: #0 /var/www/html/vendor/colinmollenhour/credis/Client.php(471): Credis_Client->connect() #1 /var/www/html/vendor/colinmollenhour/credis/Client.php(784): Credis_Client->connect() #2 /var/www/html/vendor/colinmollenhour/credis/Client.php(637): Credis_Client->__call('select', Array) #3 /var/www/html/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(393): Credis_Client->select(1) #4 /var/www/html/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(250): Cm_Cache_Backend_Redis->_applyClientOptions(Object(Credis_Client)) #5 /var/www/html/vendor/magento/zendframework1/library/Zend/Cache.php(153): Cm_Cache_Backend_Redis->__construct(Array) #6 /var/www/html/vendor/magento/zendframework1/library/Zend/Cache.php(94): Zend_Cache::_makeBackend('Cm_Cache_Backen...', Array, true, true) #7 /var/www/html/vendor/magento/framework/App/Cache/Frontend/Factory.php(156): Zend_Cache::factory('Magento\\Framewo...', 'Cm_Cache_Backen...', Array, Array, true, true, true) #8 /var/www/html/vendor/magento/framework/Cache/Frontend/Adapter/Zend.php(38): Magento\Framework\App\Cache\Frontend\Factory->Magento\Framework\App\Cache\Frontend\{closure}() #9 /var/www/html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(116): Magento\Framework\Cache\Frontend\Adapter\Zend->__construct(Object(Closure)) #10 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Framewo...', Array) #11 /var/www/html/vendor/magento/framework/ObjectManager/ObjectManager.php(56): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Framewo...', Array) #12 /var/www/html/vendor/magento/framework/App/Cache/Frontend/Factory.php(158): Magento\Framework\ObjectManager\ObjectManager->create('Magento\\Framewo...', Array) #13 /var/www/html/vendor/magento/framework/App/Cache/Frontend/Pool.php(67): Magento\Framework\App\Cache\Frontend\Factory->create(Array) #14 /var/www/html/vendor/magento/framework/App/Cache/Frontend/Pool.php(146): Magento\Framework\App\Cache\Frontend\Pool->_initialize() #15 /var/www/html/vendor/magento/framework/App/Cache/Type/FrontendPool.php(87): Magento\Framework\App\Cache\Frontend\Pool->get('default') #16 /var/www/html/vendor/magento/framework/App/Interception/Cache/CompiledConfig.php(29): Magento\Framework\App\Cache\Type\FrontendPool->get('compiled_config') #17 /var/www/html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(116): Magento\Framework\App\Interception\Cache\CompiledConfig->__construct(Object(Magento\Framework\App\Cache\Type\FrontendPool)) #18 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Framewo...', Array) #19 /var/www/html/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Framewo...') #20 /var/www/html/vendor/magento/framework/App/ObjectManager/Environment/Compiled.php(117): Magento\Framework\ObjectManager\ObjectManager->get('Magento\\Framewo...') #21 /var/www/html/vendor/magento/framework/App/ObjectManagerFactory.php(188): Magento\Framework\App\ObjectManager\Environment\Compiled->configureObjectManager(Object(Magento\Framework\Interception\ObjectManager\Config\Compiled), Array) #22 /var/www/html/vendor/magento/framework/App/Bootstrap.php(211): Magento\Framework\App\ObjectManagerFactory->create(Array) #23 /var/www/html/vendor/magento/framework/App/Bootstrap.php(126): Magento\Framework\App\Bootstrap->__construct(Object(Magento\Framework\App\ObjectManagerFactory), '/var/www/html', Array) #24 /var/www/html/pub/index.php(37): Magento\Framework\App\Bootstrap::create('/var/www/html', Array) #25 {main} thrown in /var/www/html/vendor/colinmollenhour/credis/Client.php on line 475