ES的测试连通性

package com.atguigu.es.test;

import org.apache.http.HttpHost;
import org.elasticsearch.client.RestClient;
import org.elasticsearch.client.RestHighLevelClient;

import java.io.IOException;

public class ESTest_Client_Test {

    public static void main(String[] args) throws IOException {
        //创建ES客户端
        HttpHost httpHost = new HttpHost("localhost", 9200, "http");
        RestHighLevelClient esClient = new RestHighLevelClient(RestClient.builder(httpHost));
        //关闭ES客户端
        esClient.close();

    }
}