public List<SimplifiedLog> consume(String topicName, int topicPartitions, int expectedMsg) throws InterruptedException { ConsumerConnector consumer = KafkaUtils.createConsumer(zkServer.getConnectString(), "test_group", "1"); List<KafkaStream<String, SimplifiedLog>> streams = KafkaUtils.getConsumerStreams(consumer, topicName, topicPartitions); List<Callable<List<SimplifiedLog>>> tasks = new ArrayList<>(); streams.forEach(stream -> tasks.add(createConsumerThread(stream.iterator(), expectedMsg))); ExecutorService executor = Executors.newFixedThreadPool(streams.size()); List<Future<List<SimplifiedLog>>> futures = executor.invokeAll(tasks, 5 * expectedMsg, TimeUnit.SECONDS); List<SimplifiedLog> received = getResultsFromFutures(futures); consumer.shutdown(); return received; }