Fatal error: Uncaught RedisException: socket error on read socket in /app/vendor/colinmollenhour/credis/Client.php:1182 Stack trace: #0 /app/vendor/colinmollenhour/credis/Client.php(1182): Redis->isConnected() #1 /app/vendor/colinmollenhour/credis/Client.php(644): Credis_Client->__call('auth', Array) #2 /app/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(410): Credis_Client->auth('a123456') #3 /app/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(250): Cm_Cache_Backend_Redis->_applyClientOptions(Object(Credis_Client)) #4 /app/vendor/magento/framework/Cache/Backend/Redis.php(34): Cm_Cache_Backend_Redis->__construct(Array) #5 /app/vendor/magento/zendframework1/library/Zend/Cache.php(153): Magento\Framework\Cache\Backend\Redis->__construct(Array) #6 /app/vendor/magento/zendframework1/library/Zend/Cache.php(94): Zend_Cache::_makeBackend('Magento\\Framewo...', Array, true, true) #7 /app/vendor/magento/framework/App/Cache/Frontend/Factory.php(156): Zend_Cache::factory('Magento\\Framew in /app/vendor/colinmollenhour/credis/Client.php on line 1182