截至7.15前版本的Java api官网已废弃。
1、添加依赖
<dependency> <groupId>co.elastic.clients</groupId> <artifactId>elasticsearch-java</artifactId> <version>7.16.2</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.12.3</version> </dependency>讯享网
2、账号密码连接集群
讯享网 String nodes = "192.168.1.96:9200,192.168.1.97:9200,192.168.1.98:9200";//集群节点 HttpHost[] httpHosts = Arrays.stream(nodes.split(",")).map(x -> { String[] hostInfo = x.split(":"); return new HttpHost(hostInfo[0], Integer.parseInt(hostInfo[1])); }).toArray(HttpHost[]::new); final CredentialsProvider credentialsProvider = new BasicCredentialsProvider(); credentialsProvider.setCredentials( AuthScope.ANY, new UsernamePasswordCredentials("elastic", ""));//账号密码 RestClientBuilder builder = RestClient.builder(httpHosts) .setHttpClientConfigCallback(httpClientBuilder -> httpClientBuilder.setDefaultCredentialsProvider(credentialsProvider)); RestClient restClient = builder.build(); ElasticsearchTransport transport = new RestClientTransport( restClient, new JacksonJsonpMapper()); ElasticsearchClient client = new ElasticsearchClient(transport);
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