Elasticsearch create index with mappings

gistfile1.txt

## Code
	public IResult createIndex(String indexName, String mappings, String numberOfShards, String numberOfReplicas)  {
		//System.out.println("ProviderClient.createIndex "+mappings);
		IResult result = new ResultPojo();
		IndexSettings.Builder isb = new IndexSettings.Builder();
		isb.numberOfShards(numberOfShards);
		isb.numberOfReplicas(numberOfReplicas);
		
		//@see https://github.com/elastic/elasticsearch-java/blob/66da097630dccc29da677f4a32ed8b468bceff3d/java-client/src/test/java/co/elastic/clients/json/WithJsonTest.java
		CreateIndexRequest.Builder b = new CreateIndexRequest.Builder()
				.index(indexName)
				.settings(isb.build())
				.withJson(new StringReader(mappings));
		try {
			CreateIndexResponse createIndexResponse = client.indices().create(b.build()); <<<<<<<<<<<<<<<<
			result.setResultObject(new Boolean(createIndexResponse.acknowledged()));
		} catch (Exception e) {
			e.printStackTrace();
			environment.logError(e.getMessage(), e);
		}
		return result;
	}

## ES console
[2022-06-12T14:00:30,007][WARN ][o.e.x.s.t.n.SecurityNetty4HttpServerTransport] [Jacks-MacBook-Pro.local] received plaintext http traffic on an https channel, closing connection Netty4HttpChannel{localAddress=/127.0.0.1:9200, remoteAddress=/127.0.0.1:64392}

## Java console

org.apache.http.ConnectionClosedException: Connection is closed
	at org.elasticsearch.client.RestClient.extractAndWrapCause(RestClient.java:908)
	at org.elasticsearch.client.RestClient.performRequest(RestClient.java:299)
	at org.elasticsearch.client.RestClient.performRequest(RestClient.java:287)
	at co.elastic.clients.transport.rest_client.RestClientTransport.performRequest(RestClientTransport.java:146)
	at co.elastic.clients.elasticsearch.indices.ElasticsearchIndicesClient.create(ElasticsearchIndicesClient.java:266)
	at org.topicquests.es.ProviderClient.createIndex(ProviderClient.java:108)   <<<<<<<<<<<<<<<,
	at devtests.FirstQueryTest.setMappings(FirstQueryTest.java:142)
	at devtests.FirstQueryTest.<init>(FirstQueryTest.java:41)
	at devtests.TestHarness.main(TestHarness.java:19)