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[elastic 8.x]java客户端连接elasticsearch与操作索引与文档

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By NoSuchAlgorithm Exception, KeyStore Exception, Certificate trustedCa, builder.setDefault Headers
| CSDN
初始化客户端 <dependency> <groupId>co.elastic.clients</groupId> <artifactId>elasticsearch-java</artifactId> <version>8.10.2</version> </dependency> 为了方便演示，我关闭了elasticsearch的安全验证，带安全验证的初始化方式将在最后专门介绍 String serverUrl="http://127.0.0.1:9200"; RestClient restClient=RestClient .builder(HttpHost .create(serverUrl)) .build(); ElasticsearchTransport transport=new RestClientTransport(restClient,new JacksonJsonpMapper()); ElasticsearchClient esClient=new ElasticsearchClient(transport); 索引 void createIndex(){...
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Elasticsearch：使用 Elasticsearch Java client 8.0 来连接带有 HTTPS 的集群

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By NoSuchAlgorithm Exception, KeyStore Exception, Certificate trustedCa, builder.setDefault Headers
| CSDN
在我之前的教程 “Elasticsearch：使用最新的 Elasticsearch Java client 8.0 来创建索引并搜索”，我详述了如何使用 Java client 8.0 来连接一个 Elasticsearch 8.x 的集群。在那个例子中，我们的 Elasticsearch 集群是不带有 HTTPS 的安全设置的。在 Elasticsearch 8.x 的安装中，HTTPS 的配置是默认的，而且它的证书是自签名的。我们该如何修改我们的 Java 客户端代码来进行含有证书的连接呢？ 如果你还没有安装好自己的 Elasticsearch 集群，你可以参考我之前的文章 “如何在 Linux，MacOS 及 Windows 上进行安装 Elasticsearch” 来进行安装。 在接下来的示例中，我将使用 Elasticsearch 8.1.1 来进行展示。为了大家更好地理解我下面的代码，我把代码放到 github 上。你可以通过如下的命令来进行下载： git clone...
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