Warning: RedisCluster::__construct(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /var/www/qa-8/lib/Cake/Cache/Engine/RedisClusterEngine.php on line 69

Fatal error: Uncaught RedisClusterException: Couldn't map cluster keyspace using any provided seed in /var/www/qa-8/lib/Cake/Cache/Engine/RedisClusterEngine.php:69 Stack trace: #0 /var/www/qa-8/lib/Cake/Cache/Engine/RedisClusterEngine.php(69): RedisCluster->__construct(NULL, Array, 0, 0, true, 'FnHGuEPGtWWl8Ul...') #1 /var/www/qa-8/lib/Cake/Cache/Engine/RedisEngine.php(73): RedisClusterEngine->_connect() #2 /var/www/qa-8/lib/Cake/Cache/Engine/RedisClusterEngine.php(50): RedisEngine->init(Array) #3 /var/www/qa-8/lib/Cake/Cache/Cache.php(180): RedisClusterEngine->init(Array) #4 /var/www/qa-8/lib/Cake/Cache/Cache.php(151): Cache::_buildEngine('default') #5 /var/www/qa-8/app/Config/core.php(491): Cache::config('default', Array) #6 /var/www/qa-8/lib/Cake/Core/Configure.php(72): include('/var/www/qa-8/a...') #7 /var/www/qa-8/lib/Cake/bootstrap.php(432): Configure::bootstrap(true) #8 /var/www/qa-8/app/webroot/index.php(90): include('/var/www/qa-8/l...') #9 {main} thrown in /var/www/qa-8/lib/Cake/Cache/Engine/RedisClusterEngine.php on line 69