pom.xml co.elastic.clients elasticsearch-java 8.7.0 com.fasterxml.jackson.core jackson-databind 2.12.3 소스코드 // Create the low-level client RestClient restClient = RestClient.builder(new HttpHost(es_ip, es_port)).build(); ElasticsearchTransport transport = new RestClientTransport(restClient, new JacksonJsonpMapper()); ElasticsearchAsyncClient asyncClient = new ElasticsearchAsyncClient(transport);..