Java High Level REST Client 官方文档
https://www.elastic.co/guide/en/elasticsearch/client/java-rest/7.2/java-rest-high.html
Javadoc
Maven依赖
<dependency>
<groupId>org.elasticsearch.client</groupId>
<artifactId>elasticsearch-rest-high-level-client</artifactId>
<version>7.2.1</version>
</dependency>
创建客户端
RestHighLevelClient client = new RestHighLevelClient(RestClient.builder(
new HttpHost("IP地址", 9200, "http"),
new HttpHost("IP地址", 9200, "http"),
new HttpHost("IP地址", 9200, "http")));
关闭客户端
client.close();
ElasticSearch-Java High Level REST Client学习
原文：https://www.cnblogs.com/wait-me/p/11585948.html