Example usage for org.springframework.kafka.core DefaultKafkaConsumerFactory createConsumer

List of usage examples for org.springframework.kafka.core DefaultKafkaConsumerFactory createConsumer

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Introduction

In this page you can find the example usage for org.springframework.kafka.core DefaultKafkaConsumerFactory createConsumer.

Prototype

default Consumer<K, V> createConsumer()

Source Link

Document

Create a consumer with the group id and client id as configured in the properties.

Usage

From source file:org.springframework.kafka.listener.ConcurrentMessageListenerContainerTests.java

@Test
public void testAckOnErrorRecord() throws Exception {
    logger.info("Start ack on error");
    Map<String, Object> props = KafkaTestUtils.consumerProps("test9", "false", embeddedKafka);
    DefaultKafkaConsumerFactory<Integer, String> cf = new DefaultKafkaConsumerFactory<>(props);
    final CountDownLatch latch = new CountDownLatch(4);
    ContainerProperties containerProps = new ContainerProperties(topic9);
    containerProps.setMessageListener((MessageListener<Integer, String>) message -> {
        logger.info("auto ack on error: " + message);
        latch.countDown();//from   w w  w.ja  v  a2s  .  c o  m
        if (message.value().startsWith("b")) {
            throw new RuntimeException();
        }
    });
    containerProps.setSyncCommits(true);
    containerProps.setAckMode(AckMode.RECORD);
    containerProps.setAckOnError(false);
    ConcurrentMessageListenerContainer<Integer, String> container = new ConcurrentMessageListenerContainer<>(cf,
            containerProps);
    container.setConcurrency(2);
    container.setBeanName("testAckOnError");
    container.start();
    ContainerTestUtils.waitForAssignment(container, embeddedKafka.getPartitionsPerTopic());
    Map<String, Object> senderProps = KafkaTestUtils.producerProps(embeddedKafka);
    ProducerFactory<Integer, String> pf = new DefaultKafkaProducerFactory<>(senderProps);
    KafkaTemplate<Integer, String> template = new KafkaTemplate<>(pf);
    template.setDefaultTopic(topic9);
    template.sendDefault(0, 0, "foo");
    template.sendDefault(1, 0, "bar");
    template.sendDefault(0, 0, "baz");
    template.sendDefault(1, 0, "qux");
    template.flush();
    assertThat(latch.await(60, TimeUnit.SECONDS)).isTrue();
    container.stop();
    Consumer<Integer, String> consumer = cf.createConsumer();
    consumer.assign(Arrays.asList(new TopicPartition(topic9, 0), new TopicPartition(topic9, 1)));
    // this consumer is positioned at 1, the next offset after the successfully
    // processed 'foo'
    // it has not been updated because 'bar' failed
    assertThat(consumer.position(new TopicPartition(topic9, 0))).isEqualTo(1);
    // this consumer is positioned at 1, the next offset after the successfully
    // processed 'qux'
    // it has been updated even 'baz' failed
    assertThat(consumer.position(new TopicPartition(topic9, 1))).isEqualTo(2);
    consumer.close();
    logger.info("Stop ack on error");
}

From source file:org.springframework.kafka.listener.KafkaMessageListenerContainerTests.java

@Test
public void testRecordAck() throws Exception {
    logger.info("Start record ack");
    Map<String, Object> props = KafkaTestUtils.consumerProps("test6", "false", embeddedKafka);
    DefaultKafkaConsumerFactory<Integer, String> cf = new DefaultKafkaConsumerFactory<>(props);
    ContainerProperties containerProps = new ContainerProperties(topic6);
    containerProps.setMessageListener((MessageListener<Integer, String>) message -> {
        logger.info("record ack: " + message);
    });//from   w w  w . java  2 s  .c o m
    containerProps.setSyncCommits(true);
    containerProps.setAckMode(AckMode.RECORD);
    containerProps.setAckOnError(false);

    KafkaMessageListenerContainer<Integer, String> container = new KafkaMessageListenerContainer<>(cf,
            containerProps);
    container.setBeanName("testRecordAcks");
    container.start();
    Consumer<?, ?> containerConsumer = spyOnConsumer(container);
    final CountDownLatch latch = new CountDownLatch(2);
    willAnswer(invocation -> {

        @SuppressWarnings({ "unchecked" })
        Map<TopicPartition, OffsetAndMetadata> map = (Map<TopicPartition, OffsetAndMetadata>) invocation
                .getArguments()[0];
        try {
            return invocation.callRealMethod();
        } finally {
            for (Entry<TopicPartition, OffsetAndMetadata> entry : map.entrySet()) {
                if (entry.getValue().offset() == 2) {
                    latch.countDown();
                }
            }
        }

    }).given(containerConsumer).commitSync(any());
    ContainerTestUtils.waitForAssignment(container, embeddedKafka.getPartitionsPerTopic());
    Map<String, Object> senderProps = KafkaTestUtils.producerProps(embeddedKafka);
    ProducerFactory<Integer, String> pf = new DefaultKafkaProducerFactory<>(senderProps);
    KafkaTemplate<Integer, String> template = new KafkaTemplate<>(pf);
    template.setDefaultTopic(topic6);
    template.sendDefault(0, 0, "foo");
    template.sendDefault(1, 0, "bar");
    template.sendDefault(0, 0, "baz");
    template.sendDefault(1, 0, "qux");
    template.flush();
    assertThat(latch.await(60, TimeUnit.SECONDS)).isTrue();
    Consumer<Integer, String> consumer = cf.createConsumer();
    consumer.assign(Arrays.asList(new TopicPartition(topic6, 0), new TopicPartition(topic6, 1)));
    assertThat(consumer.position(new TopicPartition(topic6, 0))).isEqualTo(2);
    assertThat(consumer.position(new TopicPartition(topic6, 1))).isEqualTo(2);
    container.stop();
    consumer.close();
    logger.info("Stop record ack");
}

From source file:org.springframework.kafka.listener.KafkaMessageListenerContainerTests.java

@Test
public void testBatchAck() throws Exception {
    logger.info("Start batch ack");

    Map<String, Object> senderProps = KafkaTestUtils.producerProps(embeddedKafka);
    ProducerFactory<Integer, String> pf = new DefaultKafkaProducerFactory<>(senderProps);
    KafkaTemplate<Integer, String> template = new KafkaTemplate<>(pf);
    template.setDefaultTopic(topic7);/*from w  ww. j  a va  2s.c  o  m*/
    template.sendDefault(0, 0, "foo");
    template.sendDefault(0, 0, "baz");
    template.sendDefault(1, 0, "bar");
    template.sendDefault(1, 0, "qux");
    template.flush();

    Map<String, Object> props = KafkaTestUtils.consumerProps("test6", "false", embeddedKafka);
    props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
    DefaultKafkaConsumerFactory<Integer, String> cf = new DefaultKafkaConsumerFactory<>(props);
    ContainerProperties containerProps = new ContainerProperties(topic7);
    containerProps.setMessageListener((MessageListener<Integer, String>) message -> {
        logger.info("batch ack: " + message);
    });
    containerProps.setSyncCommits(true);
    containerProps.setAckMode(AckMode.BATCH);
    containerProps.setPollTimeout(10000);
    containerProps.setAckOnError(false);

    KafkaMessageListenerContainer<Integer, String> container = new KafkaMessageListenerContainer<>(cf,
            containerProps);
    container.setBeanName("testBatchAcks");
    container.start();
    Consumer<?, ?> containerConsumer = spyOnConsumer(container);
    final CountDownLatch firstBatchLatch = new CountDownLatch(1);
    final CountDownLatch latch = new CountDownLatch(2);
    willAnswer(invocation -> {

        @SuppressWarnings({ "unchecked" })
        Map<TopicPartition, OffsetAndMetadata> map = (Map<TopicPartition, OffsetAndMetadata>) invocation
                .getArguments()[0];
        for (Entry<TopicPartition, OffsetAndMetadata> entry : map.entrySet()) {
            if (entry.getValue().offset() == 2) {
                firstBatchLatch.countDown();
            }
        }
        try {
            return invocation.callRealMethod();
        } finally {
            for (Entry<TopicPartition, OffsetAndMetadata> entry : map.entrySet()) {
                if (entry.getValue().offset() == 2) {
                    latch.countDown();
                }
            }
        }

    }).given(containerConsumer).commitSync(any());

    assertThat(firstBatchLatch.await(9, TimeUnit.SECONDS)).isTrue();

    assertThat(latch.await(60, TimeUnit.SECONDS)).isTrue();
    Consumer<Integer, String> consumer = cf.createConsumer();
    consumer.assign(Arrays.asList(new TopicPartition(topic7, 0), new TopicPartition(topic7, 1)));
    assertThat(consumer.position(new TopicPartition(topic7, 0))).isEqualTo(2);
    assertThat(consumer.position(new TopicPartition(topic7, 1))).isEqualTo(2);
    container.stop();
    consumer.close();
    logger.info("Stop batch ack");
}

From source file:org.springframework.kafka.listener.KafkaMessageListenerContainerTests.java

@Test
public void testBatchListener() throws Exception {
    logger.info("Start batch listener");

    Map<String, Object> senderProps = KafkaTestUtils.producerProps(embeddedKafka);
    ProducerFactory<Integer, String> pf = new DefaultKafkaProducerFactory<>(senderProps);
    KafkaTemplate<Integer, String> template = new KafkaTemplate<>(pf);
    template.setDefaultTopic(topic8);// w  w  w .j  a  v a 2s  .  co m
    template.sendDefault(0, 0, "foo");
    template.sendDefault(0, 0, "baz");
    template.sendDefault(1, 0, "bar");
    template.sendDefault(1, 0, "qux");
    template.flush();

    Map<String, Object> props = KafkaTestUtils.consumerProps("test8", "false", embeddedKafka);
    props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
    DefaultKafkaConsumerFactory<Integer, String> cf = new DefaultKafkaConsumerFactory<>(props);
    ContainerProperties containerProps = new ContainerProperties(topic8);
    containerProps.setMessageListener((BatchMessageListener<Integer, String>) messages -> {
        logger.info("batch listener: " + messages);
    });
    containerProps.setSyncCommits(true);
    containerProps.setAckMode(AckMode.BATCH);
    containerProps.setPollTimeout(10000);
    containerProps.setAckOnError(false);

    KafkaMessageListenerContainer<Integer, String> container = new KafkaMessageListenerContainer<>(cf,
            containerProps);
    container.setBeanName("testBatchListener");
    container.start();
    Consumer<?, ?> containerConsumer = spyOnConsumer(container);
    final CountDownLatch firstBatchLatch = new CountDownLatch(1);
    final CountDownLatch latch = new CountDownLatch(2);
    willAnswer(invocation -> {

        @SuppressWarnings({ "unchecked" })
        Map<TopicPartition, OffsetAndMetadata> map = (Map<TopicPartition, OffsetAndMetadata>) invocation
                .getArguments()[0];
        for (Entry<TopicPartition, OffsetAndMetadata> entry : map.entrySet()) {
            if (entry.getValue().offset() == 2) {
                firstBatchLatch.countDown();
            }
        }
        try {
            return invocation.callRealMethod();
        } finally {
            for (Entry<TopicPartition, OffsetAndMetadata> entry : map.entrySet()) {
                if (entry.getValue().offset() == 2) {
                    latch.countDown();
                }
            }
        }

    }).given(containerConsumer).commitSync(any());

    assertThat(firstBatchLatch.await(9, TimeUnit.SECONDS)).isTrue();

    assertThat(latch.await(60, TimeUnit.SECONDS)).isTrue();
    Consumer<Integer, String> consumer = cf.createConsumer();
    consumer.assign(Arrays.asList(new TopicPartition(topic8, 0), new TopicPartition(topic8, 1)));
    assertThat(consumer.position(new TopicPartition(topic8, 0))).isEqualTo(2);
    assertThat(consumer.position(new TopicPartition(topic8, 1))).isEqualTo(2);
    container.stop();
    consumer.close();
    logger.info("Stop batch listener");
}

From source file:org.springframework.kafka.listener.KafkaMessageListenerContainerTests.java

@Test
public void testBatchListenerManual() throws Exception {
    logger.info("Start batch listener manual");

    Map<String, Object> senderProps = KafkaTestUtils.producerProps(embeddedKafka);
    ProducerFactory<Integer, String> pf = new DefaultKafkaProducerFactory<>(senderProps);
    KafkaTemplate<Integer, String> template = new KafkaTemplate<>(pf);
    template.setDefaultTopic(topic9);//w  w w  .ja  va2  s  .  c  o m
    template.sendDefault(0, 0, "foo");
    template.sendDefault(0, 0, "baz");
    template.sendDefault(1, 0, "bar");
    template.sendDefault(1, 0, "qux");
    template.flush();

    Map<String, Object> props = KafkaTestUtils.consumerProps("test9", "false", embeddedKafka);
    props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
    DefaultKafkaConsumerFactory<Integer, String> cf = new DefaultKafkaConsumerFactory<>(props);
    ContainerProperties containerProps = new ContainerProperties(topic9);
    final CountDownLatch latch = new CountDownLatch(4);
    containerProps.setMessageListener((BatchAcknowledgingMessageListener<Integer, String>) (messages, ack) -> {
        logger.info("batch listener manual: " + messages);
        for (int i = 0; i < messages.size(); i++) {
            latch.countDown();
        }
        ack.acknowledge();
    });
    containerProps.setSyncCommits(true);
    containerProps.setAckMode(AckMode.MANUAL_IMMEDIATE);
    containerProps.setPollTimeout(10000);
    containerProps.setAckOnError(false);

    KafkaMessageListenerContainer<Integer, String> container = new KafkaMessageListenerContainer<>(cf,
            containerProps);
    container.setBeanName("testBatchListenerManual");
    container.start();
    Consumer<?, ?> containerConsumer = spyOnConsumer(container);
    final CountDownLatch commitLatch = new CountDownLatch(2);
    willAnswer(invocation -> {

        @SuppressWarnings({ "unchecked" })
        Map<TopicPartition, OffsetAndMetadata> map = (Map<TopicPartition, OffsetAndMetadata>) invocation
                .getArguments()[0];
        try {
            return invocation.callRealMethod();
        } finally {
            for (Entry<TopicPartition, OffsetAndMetadata> entry : map.entrySet()) {
                if (entry.getValue().offset() == 2) {
                    commitLatch.countDown();
                }
            }
        }

    }).given(containerConsumer).commitSync(any());

    assertThat(latch.await(60, TimeUnit.SECONDS)).isTrue();
    assertThat(commitLatch.await(60, TimeUnit.SECONDS)).isTrue();
    Consumer<Integer, String> consumer = cf.createConsumer();
    consumer.assign(Arrays.asList(new TopicPartition(topic9, 0), new TopicPartition(topic9, 1)));
    assertThat(consumer.position(new TopicPartition(topic9, 0))).isEqualTo(2);
    assertThat(consumer.position(new TopicPartition(topic9, 1))).isEqualTo(2);
    container.stop();
    consumer.close();
    logger.info("Stop batch listener manual");
}

From source file:org.springframework.kafka.listener.KafkaMessageListenerContainerTests.java

@Test
public void testBatchListenerErrors() throws Exception {
    logger.info("Start batch listener errors");

    Map<String, Object> senderProps = KafkaTestUtils.producerProps(embeddedKafka);
    ProducerFactory<Integer, String> pf = new DefaultKafkaProducerFactory<>(senderProps);
    KafkaTemplate<Integer, String> template = new KafkaTemplate<>(pf);
    template.setDefaultTopic(topic10);//  w  w w  .  j a  v a  2s  .c om
    template.sendDefault(0, 0, "foo");
    template.sendDefault(0, 0, "baz");
    template.sendDefault(1, 0, "bar");
    template.sendDefault(1, 0, "qux");
    template.flush();

    Map<String, Object> props = KafkaTestUtils.consumerProps("test9", "false", embeddedKafka);
    props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
    DefaultKafkaConsumerFactory<Integer, String> cf = new DefaultKafkaConsumerFactory<>(props);
    ContainerProperties containerProps = new ContainerProperties(topic10);
    containerProps.setMessageListener((BatchMessageListener<Integer, String>) messages -> {
        logger.info("batch listener errors: " + messages);
        throw new RuntimeException("intentional");
    });
    containerProps.setSyncCommits(true);
    containerProps.setAckMode(AckMode.BATCH);
    containerProps.setPollTimeout(10000);
    containerProps.setAckOnError(true);
    final CountDownLatch latch = new CountDownLatch(4);
    containerProps.setGenericErrorHandler((BatchErrorHandler) (t, messages) -> {
        new BatchLoggingErrorHandler().handle(t, messages);
        for (int i = 0; i < messages.count(); i++) {
            latch.countDown();
        }
    });

    KafkaMessageListenerContainer<Integer, String> container = new KafkaMessageListenerContainer<>(cf,
            containerProps);
    container.setBeanName("testBatchListenerErrors");
    container.start();
    Consumer<?, ?> containerConsumer = spyOnConsumer(container);
    final CountDownLatch commitLatch = new CountDownLatch(2);
    willAnswer(invocation -> {

        @SuppressWarnings({ "unchecked" })
        Map<TopicPartition, OffsetAndMetadata> map = (Map<TopicPartition, OffsetAndMetadata>) invocation
                .getArguments()[0];
        try {
            return invocation.callRealMethod();
        } finally {
            for (Entry<TopicPartition, OffsetAndMetadata> entry : map.entrySet()) {
                if (entry.getValue().offset() == 2) {
                    commitLatch.countDown();
                }
            }
        }

    }).given(containerConsumer).commitSync(any());

    assertThat(latch.await(60, TimeUnit.SECONDS)).isTrue();
    assertThat(commitLatch.await(60, TimeUnit.SECONDS)).isTrue();
    Consumer<Integer, String> consumer = cf.createConsumer();
    consumer.assign(Arrays.asList(new TopicPartition(topic10, 0), new TopicPartition(topic10, 1)));
    assertThat(consumer.position(new TopicPartition(topic10, 0))).isEqualTo(2);
    assertThat(consumer.position(new TopicPartition(topic10, 1))).isEqualTo(2);
    container.stop();
    consumer.close();
    logger.info("Stop batch listener errors");
}

From source file:org.springframework.kafka.listener.TransactionalContainerTests.java

@SuppressWarnings("unchecked")
@Test//from w w w.j  av a2s. c o m
public void testRollbackRecord() throws Exception {
    logger.info("Start testRollbackRecord");
    Map<String, Object> props = KafkaTestUtils.consumerProps("txTest1", "false", embeddedKafka);
    props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
    props.put(ConsumerConfig.GROUP_ID_CONFIG, "group");
    props.put(ConsumerConfig.ISOLATION_LEVEL_CONFIG, "read_committed");
    DefaultKafkaConsumerFactory<Integer, String> cf = new DefaultKafkaConsumerFactory<>(props);
    ContainerProperties containerProps = new ContainerProperties(topic1, topic2);
    containerProps.setGroupId("group");
    containerProps.setPollTimeout(10_000);

    Map<String, Object> senderProps = KafkaTestUtils.producerProps(embeddedKafka);
    senderProps.put(ProducerConfig.RETRIES_CONFIG, 1);
    DefaultKafkaProducerFactory<Integer, String> pf = new DefaultKafkaProducerFactory<>(senderProps);
    pf.setTransactionIdPrefix("rr.");

    final KafkaTemplate<Integer, String> template = new KafkaTemplate<>(pf);
    final AtomicBoolean failed = new AtomicBoolean();
    final CountDownLatch latch = new CountDownLatch(3);
    final AtomicReference<String> transactionalId = new AtomicReference<>();
    containerProps.setMessageListener((MessageListener<Integer, String>) message -> {
        latch.countDown();
        if (failed.compareAndSet(false, true)) {
            throw new RuntimeException("fail");
        }
        /*
         * Send a message to topic2 and wait for it so we don't stop the container too soon.
         */
        if (message.topic().equals(topic1)) {
            template.send(topic2, "bar");
            template.flush();
            transactionalId.set(KafkaTestUtils.getPropertyValue(
                    ProducerFactoryUtils.getTransactionalResourceHolder(pf).getProducer(),
                    "delegate.transactionManager.transactionalId", String.class));
        }
    });

    @SuppressWarnings({ "rawtypes" })
    KafkaTransactionManager tm = new KafkaTransactionManager(pf);
    containerProps.setTransactionManager(tm);
    KafkaMessageListenerContainer<Integer, String> container = new KafkaMessageListenerContainer<>(cf,
            containerProps);
    container.setBeanName("testRollbackRecord");
    container.start();

    template.setDefaultTopic(topic1);
    template.executeInTransaction(t -> {
        template.sendDefault(0, 0, "foo");
        return null;
    });
    assertThat(latch.await(60, TimeUnit.SECONDS)).isTrue();
    container.stop();
    Consumer<Integer, String> consumer = cf.createConsumer();
    final CountDownLatch subsLatch = new CountDownLatch(1);
    consumer.subscribe(Arrays.asList(topic1), new ConsumerRebalanceListener() {

        @Override
        public void onPartitionsRevoked(Collection<TopicPartition> partitions) {
            // empty
        }

        @Override
        public void onPartitionsAssigned(Collection<TopicPartition> partitions) {
            subsLatch.countDown();
        }

    });
    ConsumerRecords<Integer, String> records = null;
    int n = 0;
    while (subsLatch.getCount() > 0 && n++ < 600) {
        records = consumer.poll(Duration.ofMillis(100));
    }
    assertThat(subsLatch.await(1, TimeUnit.MILLISECONDS)).isTrue();
    assertThat(records.count()).isEqualTo(0);
    // depending on timing, the position might include the offset representing the commit in the log
    assertThat(consumer.position(new TopicPartition(topic1, 0))).isGreaterThanOrEqualTo(1L);
    assertThat(transactionalId.get()).startsWith("rr.group.txTopic");
    assertThat(KafkaTestUtils.getPropertyValue(pf, "consumerProducers", Map.class)).isEmpty();
    logger.info("Stop testRollbackRecord");
    pf.destroy();
    consumer.close();
}

From source file:org.springframework.kafka.listener.TransactionalContainerTests.java

@Test
public void testMaxFailures() throws Exception {
    logger.info("Start testMaxFailures");
    Map<String, Object> props = KafkaTestUtils.consumerProps("txTestMaxFailures", "false", embeddedKafka);
    props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
    props.put(ConsumerConfig.GROUP_ID_CONFIG, "group");
    props.put(ConsumerConfig.ISOLATION_LEVEL_CONFIG, "read_committed");
    DefaultKafkaConsumerFactory<Integer, String> cf = new DefaultKafkaConsumerFactory<>(props);
    ContainerProperties containerProps = new ContainerProperties(topic3);
    containerProps.setPollTimeout(10_000);

    Map<String, Object> senderProps = KafkaTestUtils.producerProps(embeddedKafka);
    senderProps.put(ProducerConfig.RETRIES_CONFIG, 1);
    DefaultKafkaProducerFactory<Object, Object> pf = new DefaultKafkaProducerFactory<>(senderProps);
    pf.setTransactionIdPrefix("maxAtt.");
    final KafkaTemplate<Object, Object> template = new KafkaTemplate<>(pf);
    final CountDownLatch latch = new CountDownLatch(1);
    AtomicReference<String> data = new AtomicReference<>();
    containerProps.setMessageListener((MessageListener<Integer, String>) message -> {
        data.set(message.value());//from ww w  . ja  v  a 2s  .c  o m
        if (message.offset() == 0) {
            throw new RuntimeException("fail for max failures");
        }
        latch.countDown();
    });

    @SuppressWarnings({ "rawtypes", "unchecked" })
    KafkaTransactionManager tm = new KafkaTransactionManager(pf);
    containerProps.setTransactionManager(tm);
    KafkaMessageListenerContainer<Integer, String> container = new KafkaMessageListenerContainer<>(cf,
            containerProps);
    container.setBeanName("testMaxFailures");
    final CountDownLatch recoverLatch = new CountDownLatch(1);
    DeadLetterPublishingRecoverer recoverer = new DeadLetterPublishingRecoverer(template) {

        @Override
        public void accept(ConsumerRecord<?, ?> record, Exception exception) {
            super.accept(record, exception);
            recoverLatch.countDown();
        }

    };
    DefaultAfterRollbackProcessor<Integer, String> afterRollbackProcessor = spy(
            new DefaultAfterRollbackProcessor<>(recoverer, 3));
    container.setAfterRollbackProcessor(afterRollbackProcessor);
    final CountDownLatch stopLatch = new CountDownLatch(1);
    container.setApplicationEventPublisher(e -> {
        if (e instanceof ConsumerStoppedEvent) {
            stopLatch.countDown();
        }
    });
    container.start();

    template.setDefaultTopic(topic3);
    template.executeInTransaction(t -> {
        RecordHeaders headers = new RecordHeaders(
                new RecordHeader[] { new RecordHeader("baz", "qux".getBytes()) });
        ProducerRecord<Object, Object> record = new ProducerRecord<>(topic3, 0, 0, "foo", headers);
        template.send(record);
        template.sendDefault(0, 0, "bar");
        return null;
    });
    assertThat(latch.await(60, TimeUnit.SECONDS)).isTrue();
    assertThat(data.get()).isEqualTo("bar");
    assertThat(recoverLatch.await(10, TimeUnit.SECONDS)).isTrue();
    container.stop();
    Consumer<Integer, String> consumer = cf.createConsumer();
    embeddedKafka.consumeFromAnEmbeddedTopic(consumer, topic3DLT);
    ConsumerRecord<Integer, String> dltRecord = KafkaTestUtils.getSingleRecord(consumer, topic3DLT);
    assertThat(dltRecord.value()).isEqualTo("foo");
    DefaultKafkaHeaderMapper mapper = new DefaultKafkaHeaderMapper();
    Map<String, Object> map = new HashMap<>();
    mapper.toHeaders(dltRecord.headers(), map);
    MessageHeaders headers = new MessageHeaders(map);
    assertThat(new String(headers.get(KafkaHeaders.DLT_EXCEPTION_FQCN, byte[].class)))
            .contains("RuntimeException");
    assertThat(headers.get(KafkaHeaders.DLT_EXCEPTION_MESSAGE, byte[].class))
            .isEqualTo("fail for max failures".getBytes());
    assertThat(headers.get(KafkaHeaders.DLT_EXCEPTION_STACKTRACE)).isNotNull();
    assertThat(headers.get(KafkaHeaders.DLT_ORIGINAL_OFFSET, byte[].class)[3]).isEqualTo((byte) 0);
    assertThat(headers.get(KafkaHeaders.DLT_ORIGINAL_PARTITION, byte[].class)[3]).isEqualTo((byte) 0);
    assertThat(headers.get(KafkaHeaders.DLT_ORIGINAL_TIMESTAMP, byte[].class)).isNotNull();
    assertThat(headers.get(KafkaHeaders.DLT_ORIGINAL_TIMESTAMP_TYPE, byte[].class)).isNotNull();
    assertThat(headers.get(KafkaHeaders.DLT_ORIGINAL_TOPIC, byte[].class)).isEqualTo(topic3.getBytes());
    assertThat(headers.get("baz")).isEqualTo("qux".getBytes());
    pf.destroy();
    assertThat(stopLatch.await(10, TimeUnit.SECONDS)).isTrue();
    verify(afterRollbackProcessor).clearThreadState();
    logger.info("Stop testMaxAttempts");
}