Using transport bulk from java

[DaeyunKim]

I am executing using bulk api. then some error
elasticsearch version : 5.1.2

org.elasticsearch.action.ActionRequestValidationException: Validation Failed: 1: no requests added;

import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;

import java.net.InetAddress;

import org.elasticsearch.action.bulk.BulkRequestBuilder;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.InetSocketTransportAddress;
import org.elasticsearch.transport.client.PreBuiltTransportClient;

public class EsBulk {

	public EsBulk() {
		System.out.println("inside Java ");
		insertES();
		System.out.println("Execute From scala ES ");
	}
	
	void insertES() {
		try {
			Settings settings = Settings.builder()
					.put("cluster.name","elasticsearch")
					.put("client.transport.ignore_cluster_name",true)
					.put("client.transport.ping_timeout","20s")
					.build();



			TransportClient client = new PreBuiltTransportClient(settings)
					.addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName("127.0.0.1"), 9300));

			BulkRequestBuilder bulkRequest = client.prepareBulk();
			bulkRequest.get();

			// either use client#prepare, or use Requests# to directly build index/delete
			// requests
			bulkRequest.add(client.prepareIndex("twitter", "tweet", "1")
					.setSource(jsonBuilder().startObject().field("user", "kimchy").field("postDate", 100)
							.field("message", "trying out Elasticsearch").endObject()));

			bulkRequest.add(client.prepareIndex("twitter", "tweet", "2").setSource(jsonBuilder().startObject()
					.field("user", "kimchy").field("postDate", 200).field("message", "another post").endObject()));

			
			System.out.println("ElasticSearch tesing");
			BulkResponse bulkResponse = bulkRequest.get();
			
			if (bulkResponse.hasFailures()) {
				// process failures by iterating through each bulk response item
				System.out.println("fail");
			}
		} catch (Exception e) {
			System.err.println(e);
		}		
	}
	void testConnect() {
		System.out.println("Java Program !!! ");
	}
	
}

my elasticsearch.yml

network.bind_host: 0.0.0.0
network.publish_host: 127.0.0.1
# Set a custom port for HTTP:
#
# http.port: 9200
#
transport.tcp.port: 9300
transport.tcp.compress: true
transport.host: 0.0.0.0
bootstrap.seccomp: false
script.engine.groovy.inline.search: on
script.engine.groovy.inline.aggs: on

http.cors.enabled: true
http.cors.allow-origin: "*"

what shoud i do ?? plz help

[dadoonet (David Pilato)]

Remove the first:

bulkRequest.get();