Fatal error: Uncaught Elasticsearch\Common\Exceptions\NoNodesAvailableException: No alive nodes found in your cluster in D:\wwwroot\dev.tecoh.cn\vendor\elasticsearch\elasticsearch\src\Elasticsearch\ConnectionPool\StaticNoPingConnectionPool.php:64 Stack trace: #0 D:\wwwroot\dev.tecoh.cn\vendor\elasticsearch\elasticsearch\src\Elasticsearch\Transport.php(82): Elasticsearch\ConnectionPool\StaticNoPingConnectionPool->nextConnection() #1 D:\wwwroot\dev.tecoh.cn\vendor\elasticsearch\elasticsearch\src\Elasticsearch\Transport.php(99): Elasticsearch\Transport->getConnection() #2 D:\wwwroot\dev.tecoh.cn\vendor\elasticsearch\elasticsearch\src\Elasticsearch\Connections\Connection.php(297): Elasticsearch\Transport->performRequest('POST', '/dev_product/_s...', Array, '{"size":40,"fro...', Array) #3 D:\wwwroot\dev.tecoh.cn\vendor\react\promise\src\FulfilledPromise.php(28): Elasticsearch\Connections\Connection->Elasticsearch\Connections\{closure}(Array) #4 D:\wwwroot\dev.tecoh.cn\vendor\ezimuel\ringphp\src\Future\CompletedFutureValue.php( in D:\wwwroot\dev.tecoh.cn\vendor\elasticsearch\elasticsearch\src\Elasticsearch\ConnectionPool\StaticNoPingConnectionPool.php on line 64