List of usage examples for org.springframework.kafka.core ProducerFactoryUtils getTransactionalResourceHolder
public static <K, V> KafkaResourceHolder<K, V> getTransactionalResourceHolder( final ProducerFactory<K, V> producerFactory)
From source file:org.springframework.kafka.listener.TransactionalContainerTests.java
@SuppressWarnings("unchecked") @Test//from ww w .j a v a 2 s .co 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(); }