Java 值在使用ConsumerRecord时不返回调用方法<&燃气轮机;在listner中 卡夫卡
这是一个已知的问题;我正在研究解决方案;请求/应答处理基于spring消息传递;当您使用原始Java 值在使用ConsumerRecord时不返回调用方法<&燃气轮机;在listner中 卡夫卡,java,spring,spring-boot,spring-kafka,Java,Spring,Spring Boot,Spring Kafka,这是一个已知的问题;我正在研究解决方案;请求/应答处理基于spring消息传递;当您使用原始消费者记录时,由于绕过了消息传递逻辑,因此回复处理不起作用 解决方法是将方法改为public Object UpdateProduct(Message Message) 标题包含在message.getHeaders()中,键位于标题KafkaHeaders.message\u键中 ProductViewModel是消息。getPayload()可能是因为kafka没有启动,或者端口错误。没有kafka正
消费者记录时,由于绕过了消息传递逻辑,因此回复处理不起作用
解决方法是将方法改为public Object UpdateProduct(Message Message)
标题包含在message.getHeaders()
中,键位于标题KafkaHeaders.message\u键中
ProductViewModel
是消息。getPayload()
可能是因为kafka没有启动,或者端口错误。没有kafka正在运行,到kafka的连接正常。您可以将回复超时时间增加到其他时间吗没有增加超时时间,正如@Gary在回答中提到的那样
@KafkaListener(id = ProductTopicConstants.UPDATE_PRODUCT, topics = ProductTopicConstants.UPDATE_PRODUCT,
containerFactory = "addUpdateProductContainerFactory")
@SendTo
public Object UpdateProduct(ConsumerRecord<String, ProductViewModel> productViewModel) {
String id = productViewModel.key();
Product product = productRepository.findByid(id);
if (product != null) {
product.setName(productViewModel.name());
product.setPrice(productViewModel.price());
product.setDescription(productViewModel.description());
return productRepository.save(product);
}
return KafkaNull.INSTANCE;
}
public GenericResponse<ProductViewModel> Update(ProductViewModel product, String id) throws InterruptedException, ExecutionException, TimeoutException {
RequestReplyFuture<String, Object, Object> future =
this._replyTemplate.sendAndReceive(new ProducerRecord<>(ProductTopicConstants.UPDATE_PRODUCT,0, id,product));
LOG.info(future.getSendFuture().get(kafkaConstants.kafkaTimeout, TimeUnit.SECONDS).getRecordMetadata().toString());
Object productDb = future.get(kafkaConstants.kafkaTimeout, TimeUnit.SECONDS).value();
if (productDb == null)
return null;
if (productDb == HttpStatus.CONFLICT)
return new GenericResponse<ProductViewModel>(null, HttpStatus.CONFLICT);
Product mappedProducts = mapper.convertValue(productDb, new TypeReference<Product>() {});
return new GenericResponse<ProductViewModel>(new ProductViewModel(mappedProducts.getId(), mappedProducts.getName(), mappedProducts.getPrice(), mappedProducts.getDescription(), mappedProducts.getVersion()), null);
}
@Bean
public ConsumerFactory<String, ProductViewModel> consumerFactoryAddUpdateProduct() {
return new DefaultKafkaConsumerFactory<>(consumerConfigs(),
new StringDeserializer(),
new JsonDeserializer<>(ProductViewModel.class));
}
@Bean
public KafkaListenerContainerFactory<?> addUpdateProductContainerFactory(ProducerFactory<String, Object> pf) {
ConcurrentKafkaListenerContainerFactory<String, ProductViewModel> factory =
new ConcurrentKafkaListenerContainerFactory<>();
factory.setConsumerFactory(consumerFactoryAddUpdateProduct());
factory.setReplyTemplate(kafkaTemplate(pf));
return factory;
}
org.springframework.kafka.requestreply.KafkaReplyTimeoutException: Reply timed out
at org.springframework.kafka.requestreply.ReplyingKafkaTemplate.lambda$scheduleTimeout$3(ReplyingKafkaTemplate.java:339) ~[spring-kafka-2.5.2.RELEASE.jar:2.5.2.RELEASE]
at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54) ~[spring-context-5.2.7.RELEASE.jar:5.2.7.RELEASE]
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) ~[na:na]
at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264) ~[na:na]
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java) ~[na:na]
at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na]
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) ~[na:na]
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) ~[na:na]
at java.base/java.lang.Thread.run(Thread.java:832) ~[na:na]