[大数据]Flink elasticsearch

public class ElasticSearchTest {
    public static void main(String[] args) throws Exception {

        StreamExecutionEnvironment environment = StreamExecutionEnvironment.getExecutionEnvironment();
        environment.enableCheckpointing(5000L);
        
        DataStreamSource<String> streamSource = environment.addSource(new SocketTextStreamFunction("hadoop01", 4401, ",", 3));

        ArrayList<HttpHost> httpHosts = new ArrayList<>();
        httpHosts.add(new HttpHost("hadoop01", 9200, "http"));

        ElasticsearchSink.Builder<String> elasticsearchBuilder = new ElasticsearchSink.Builder<>(httpHosts, new ElasticsearchSinkFunction<String>() {

            public IndexRequest createIndexRequest(String element) {
                Map<String, String> json = new HashMap<>();
                json.put("data", element);

                return Requests.indexRequest()
                        .index("my-index")
                        .type("my-type")
                        .source(json);
            }

            @Override
            public void process(String element, RuntimeContext ctx, RequestIndexer indexer) {
                indexer.add(createIndexRequest(element));
            }
        });

        // configuration for the bulk requests; this instructs the sink to emit after every element, otherwise they would be buffered
        elasticsearchBuilder.setBulkFlushMaxActions(1);

//        // provide a RestClientFactory for custom configuration on the internally created REST client
//        elasticsearchBuilder.setRestClientFactory(
//                restClientBuilder -> {
//                    restClientBuilder.setDefaultHeaders(...)
//                    restClientBuilder.setMaxRetryTimeoutMillis(...)
//                    restClientBuilder.setPathPrefix(...)
//                    restClientBuilder.setHttpClientConfigCallback(...)
//                }
//        );

        streamSource.addSink(elasticsearchBuilder.build());

        environment.execute();

    }
}

执行过程中报错 java.lang.NoClassDefFoundError: org/apache/http/client/config/RequestConfig

其中pom.xml

<dependency>
      <groupId>org.apache.flink</groupId>
      <artifactId>flink-connector-elasticsearch6_2.11</artifactId>
      <version>1.11.2</version>
    </dependency>

elasticsearch 6.3.1 依赖 httpclient 4.2.5

pom.xml

<dependency>
  <groupId>org.apache.httpcomponents</groupId>
  <artifactId>httpclient</artifactId>
  <version>4.5.8</version>
</dependency>