Fatal error: Uncaught RedisException: Cannot assign requested address in /var/www/html/vendor/snc/redis-bundle/Factory/PhpredisClientFactory.php:166 Stack trace: #0 /var/www/html/vendor/snc/redis-bundle/Factory/PhpredisClientFactory.php(166): Redis->connect('redis-master', 6379, 5) #1 /var/www/html/vendor/snc/redis-bundle/Factory/PhpredisClientFactory.php(65): Snc\RedisBundle\Factory\PhpredisClientFactory->createClient(Object(Snc\RedisBundle\DependencyInjection\Configuration\RedisDsn), 'Redis', 'session', Array) #2 /var/www/html/app/cache/prod/ContainerFpk7x2m/appProdProjectContainer.php(2042): Snc\RedisBundle\Factory\PhpredisClientFactory->create('Redis', Array, Array, 'session') #3 /var/www/html/app/cache/prod/ContainerFpk7x2m/appProdProjectContainer.php(2052): ContainerFpk7x2m\appProdProjectContainer->getSncRedis_Session_ClientService() #4 /var/www/html/app/cache/prod/ContainerFpk7x2m/appProdProjectContainer.php(2010): ContainerFpk7x2m\appProdProjectContainer->getSncRedis_Session_HandlerService() #5 /var/www/html/app/c in /var/www/html/vendor/symfony/templating/DelegatingEngine.php on line 101