Warning: mysqli_connect(): (HY000/2002): �������ӷ���һ��ʱ���û����ȷ�𸴻����ӵ�����û�з�Ӧ�����ӳ���ʧ�ܡ� in D:\web\site\model\SitesModel.class.php on line 53 连接 MySQL 失败: �������ӷ���һ��ʱ���û����ȷ�𸴻����ӵ�����û�з�Ӧ�����ӳ���ʧ�ܡ� Warning: mysqli_close() expects parameter 1 to be mysqli, boolean given in D:\web\site\model\SitesModel.class.php on line 92 Warning: mysqli_query() expects parameter 1 to be mysqli, boolean given in D:\web\site\model\SitesModel.class.php on line 88 Warning: mysqli_query() expects parameter 1 to be mysqli, boolean given in D:\web\site\model\SitesModel.class.php on line 76 Warning: mysqli_close() expects parameter 1 to be mysqli, boolean given in D:\web\site\model\SitesModel.class.php on line 92 Warning: Invalid argument supplied for foreach() in D:\web\site\model\SitesModel.class.php on line 40 Fatal error: Uncaught Elasticsearch\Common\Exceptions\NoNodesAvailableException: No alive nodes found in your cluster in D:\web\site\esphp\vendor\elasticsearch\elasticsearch\src\Elasticsearch\ConnectionPool\StaticNoPingConnectionPool.php:64 Stack trace: #0 D:\web\site\esphp\vendor\elasticsearch\elasticsearch\src\Elasticsearch\Transport.php(82): Elasticsearch\ConnectionPool\StaticNoPingConnectionPool->nextConnection() #1 D:\web\site\esphp\vendor\elasticsearch\elasticsearch\src\Elasticsearch\Transport.php(99): Elasticsearch\Transport->getConnection() #2 D:\web\site\esphp\vendor\elasticsearch\elasticsearch\src\Elasticsearch\Client.php(1637): Elasticsearch\Transport->performRequest('POST', '/unionall/_sear...', Array, '{"track_total_h...', Array) #3 D:\web\site\esphp\vendor\elasticsearch\elasticsearch\src\Elasticsearch\Client.php(1220): Elasticsearch\Client->performRequest(Object(Elasticsearch\Endpoints\Search)) #4 D:\web\site\model\Es.class.php(214): Elasticsearch\Client->search(Array) #5 D:\web\site\model\EsData.class.php(4 in D:\web\site\esphp\vendor\elasticsearch\elasticsearch\src\Elasticsearch\ConnectionPool\StaticNoPingConnectionPool.php on line 64