Kafkatemplate send timeout. ms can provide more time for operations to complete.
Kafkatemplate send timeout send()），看似异步，实则可能阻塞。 由于发送消息前需要获取元数据Metadata，如果一直获取失败（可能原因包括Broker连接失败、Topic未创建等），将导致长时间阻塞。 Apr 11, 2024 · 获取 Kafka 生产者：通过 KafkaTemplate 内部维护的 ProducerFactory 获取 Kafka 生产者实例。 调用 Kafka 生产者的 send() 方法：将 ProducerRecord 对象传递给 Kafka 生产者的 send() 方法进行实际的消息发送。 处理发送结果：根据发送的结果，可以选择同步或异步方式处理发送结果。 Jun 15, 2023 · 1. ms=60000 2. await() the second call gets a TimeoutException while fetching topic metadata. 10 and JDK 17 in a reactive stack. New record in database, not rollback!!! (view sample) Expected behavior I do not expect a new record in the database Actual behavior I can see a new record in the DB with kafka down. properties. KafkaException: Send failed; nested exception is org. ylt. SOME_TIME = 1200ms, retries = 2, request. password="password"; I had changed value oauth. at org. But it seems the Kafka Listener is timing Oct 16, 2024 · With using KafkaTemplate I am able to send event to the target topic and many others with transactionality. errors. Mainly because KafkaTemplate sends messages asynchronously, we can look at the source code of KafkaTemplate This is the send message method we just called. name}") private String topic; @Autowired private KafkaTemplate<Integer, String> kafkaTemplate; public void produceMessage(String msg) { kafkaTemplate. Alongside session. info("kafka异步发送topic:&quo Feb 28, 2020 · I was wondering if there is a way to catch an exception/throwable when producing a kafka message via the Kafka Template. ms]=30000 spring. In this case, it's also set to a single server at localhost:9092. Oct 29, 2022 · In this article, you will learn how to use Kafka transactions with the Spring Kafka project in your Spring Boot app. Producer application is also deployed in Azure. They don't any method that accept List of objects and send them individually to different partitions. Nov 18, 2024 · Photo by Glenn Carstens-Peters on Unsplash Here’s a step-by-step guide to integrate Apache Kafka with Spring Boot 3. Jan 20, 2019 · 接下来就是具体的发送，用过kafka的小伙伴都知道producer. util Starting with version 3. 2. 5. yml. May 4, 2025 · To send messages in a Spring Boot app, you use a KafkaTemplate. The following listing shows the relevant methods from KafkaTemplate: Mar 1, 2011 · The KafkaTemplate wraps a producer and provides convenience methods to send data to Kafka topics. AckMode. send () does not invoke FailureCallback when broker is down #1807 Jan 4, 2024 · bootstrap-servers: Similar to the consumer, this property specifies the Kafka server (s) that the producer will connect to. Feb 1, 2023 · 2023-02-01 03:47:41. It simplifies the process of producing and consuming messages in Kafka by abstracting away many of the low - level details. In this Sep 24, 2022 · Ok, next then i stop kafka. Spring Boot の概要から各機能の詳細までが網羅された公式リファレンスドキュメントです。開発者が最初に読むべき Mar 1, 2022 · package com. KafkaTemplate (ProducerFactory < K, V > producerFactory, boolean autoFlush) Create an instance using the The KafkaTemplate wraps a producer and provides convenience methods to send data to Kafka topics. The following listing shows the relevant methods from KafkaTemplate: Jul 18, 2025 · The diagram above illustrates a robust Kafka error-handling architecture that addresses these challenges. Dec 31, 2022 · I am trying to understand how spring boot KafkaTemplate works with async producer and handle exceptions. in the above, after the first retry, the producer resends the send (and it succeeds at some time t = 1500ms Jan 31, 2023 · Kafka生产者异步发送消息的方法（如Spring Boot中的 kafkaTemplate. send () and has a callback for the ListenableFuture that it returns. ms 属性的示例： 使用官方的Java客户端库（kafka The KafkaTemplate wraps a producer and provides convenience methods to send data to Kafka topics. However, retries behave differently in traditional (blocking) vs. Perfect for unit testing! 或者，您可以配置 KafkaTemplate 替换为 ProducerListener 要获取包含发送结果（成功或失败）的异步回调，而不是等待 Future 以完成。 The message payload is the data. send(String data)这个方法发送消息到Kafka中，显然这个方法并不能满足我们系统的需求，那我们需要查看一下KafkaTemplate所实现的接口，看看还提供了什么方法。 当我们发送消息到Kafka后，我们又怎么去确认消息是否发送成功呢？这就涉及到K Aug 30, 2024 · In microservices architectures, asynchronous communication between services is crucial for ensuring system scalability and resilience. The following listing shows the relevant methods from KafkaTemplate: Dec 19, 2024 · 在Kafka中，可以通过设置 request. This timeout provides a hard limit and prevents the producer from retrying indefinitely. ms 属性来调整消息发送超时时间。这个属性用于控制客户端等待服务器响应的最长时间。当设置为0时，表示没有超时限制，客户端将无限期地等待服务器的响应。 以下是如何在不同的Java客户端库中设置 request. This is a helper that lets you send messages to a topic without digging into the Kafka client directly. ms, the heartbeat. [linger. When I try to send 2 messages to 2 different topics and wait for each send to complete by calling . ms and retry. send(): This is a method of KafkaTemplate used to send a message to Kafka. KafkaOperations. Nov 29, 2021 · 1. Jan 3, 2019 · Caused by: org. Mainly because KafkaTemplate sends messages asynchronously, we can look at the source code of KafkaTemplate. This should be a KafkaTemplate and not a ReplyingKafkaTemplate which is used on the client-side for request/reply processing. Mar 29, 2022 · I'm using spring-kafka version 2. KafkaTemplate; import The KafkaTemplate wraps a producer and provides convenience methods to send data to Kafka topics. Please help me to provide the correct code for transactions to be sent to kafka without waiting for others. client. This guide will help you get started with unit testing your Kafka producer code and ensure that your messages are being sent successfully. If converting whenComplete(BiConsumer) or thenApply(BaseFunction) to CompletableFuture. common. Mar 1, 2011 · The KafkaTemplate wraps a producer and provides convenience methods to send data to Kafka topics. Does not support transactions, flush(), metrics(), and execute(org. May 17, 2025 · Apache Kafka is designed for high availability, but failures still happen—network issues, broker crashes, or cluster downtime. What Is a Listener Container in Spring for Apr 25, 2025 · Master the use of KafkaTemplate in Spring Boot with this guide, covering configuration, best practices, transactional messaging, and real-world examples. apache. ms properties to control how many retries will happen within a given period of time, as explained in the docs. Then let the powerful KafkaTemplate take care of anything else; configure it and wait for your data-packed message payloads to arrive in topics across the land. When line kafkaTemplate. 1 Using Spring for Apache Kafka 3. Let’s break down each component: Core Components Producer: Sends messages to Kafka topics Target Topic: The main topic where messages are initially published Consumer: Processes messages from the target topic DLT (Dead Letter Topic): Stores messages that have exhausted all retry attempts May 27, 2025 · Increase request. 4 in spring-boot 2. Oct 22, 2019 · So there is no direct way to send the bulk messages to kafka directly using KafkaTemplate or KafkaProducer. KafkaOperations DEFAULT_POLL_TIMEOUT Constructor Summary Constructors Constructor Description KafkaTemplate (ProducerFactory < K, V > producerFactory) Create an instance using the supplied producer factory and autoFlush false. error("something wrong happened The KafkaTemplate wraps a producer and provides convenience methods to send data to Kafka topics. May 3, 2022 · As I said, there are no hooks; I was suggesting that if you get a timeout, use the admin client to see if it was a connectivity problem. properties: Aug 6, 2017 · One way of achieving it could be by setting the properties parameter max. Both asynchronous and synchronous methods are provided, with the async methods returning a Future. Jan 5, 2023 · CompletableFuture<SendResult<String, String>> sendResultCompletableFuture = kafkaTemplate. 6. See KafkaProducer. ms till this method throws exception. Autowired; import org. You can use this annotation to start Kafka container in tests both with JUnit5 and JUnit4. 7) to publish message onto Azure EventHub namespace. When the sending time is long, it will cause the process to shut down in advance and the callback time cannot be called. timeout. send是个异步操作，会返回一个Future<RecordMetadata> 类型的结果。 那么为什么单线程和多线程send效率会较大的差距呢，我们进入KafkaProducer内部看下producer. KafkaTemplate. request-timeout-ms=60000 but, when I'm starting the consumer service, I can see it is not overriding the value Is I'm defining property properly??? or need to add override property somewhere??? Specify a timeout in milliseconds for how long this KafkaProducerMessageHandler should wait for send operation results. return types include CompletableFuture<?>, Mono<?> and Kotlin suspend functions. Topic Naming Convention Follow a consistent topic naming convention. java:259) Jan 4, 2024 · Introduction Kafka is a distributed streaming platform widely used for building real-time data pipelines and streaming applications. Kafka also provides a MockProducer to mock a producer application. I don't see anything where it would throw a KafkaException if something fai Feb 9, 2022 · The first lesson which we learned for Kafka, is the Producer timeout issue that happened in our production environment. When the method exits, the database transaction will commit followed by the Kafka transaction. thenApply(java. The following listing shows the relevant methods from KafkaTemplate: Sep 16, 2020 · Kafka Producer异步发送消息时可能因缓冲池耗尽或Metadata更新而阻塞。当缓冲池内存不足或Sender线程处理速度跟不上消息发送速度时，会导致发送延迟。优化buffer. How do kafka producer send messages to kafka ? KafkaProducer Kafka producer create batch of records and then send these all records at once, for more information The producer consists of I am trying to test spring kafka (2. sendEvent(Event. addCallback (new In order to support @SendTo, the listener container factory must be provided with a KafkaTemplate (in its replyTemplate property), which is used to send the reply. delivery. This is kafka Apr 2, 2024 · I'm using SpringKafka (Springboot version 3. start a first Kafka test container and set a bootstrap servers of started container to default Spring Boot properties Aug 13, 2019 · @Async public void sendMessage(String topicName, Message message) { ListenableFuture<SendResult<String, Message >> future = kafkaTemplate. ms can provide more time for operations to complete. One of the critical aspects of building resilient Kafka applications is implementing a robust retry mechanism. Upon completion of a specific event (triggered by http request) a new thread is created (via Spring @Async) which calls kafkatemplate. Everything was working good till last week, but last Type Parameters: K - the key type. The following listing shows the relevant methods from KafkaTemplate: Learn how to mock KafkaTemplate results in your Spring applications using best practices and code examples. NetworkClient : [Producer clientId=producer-1] Cancelled in-flight METADATA request with correlation id 617 due to node 0 being disconnected (elapsed time since creation: 108ms, elapsed time since send: 108ms, request timeout: 2000ms) Apr 28, 2022 · @MockBean KafkaTemplate<String,EventDto> kafkaTemplate; @Test void testSendEvent() { //omitted lines regarding second assert that works EventProducer producer = new EventProducer(something); EventDto dto = producer. It seems to be the TCP timeout. TimeoutException: Failed to update metadata after 60000 ms. send(topic, msg); } } I have configure the following properties in Spring boot configuration file application. ms parameter indicates the maximum time in milliseconds that the group coordinator can wait for a consumer to send a heartbeat before triggering a partition rebalance. newBuilder(). function. Apr 23, 2025 · I want to send message to kafka using completable future for every transaction but above code gives us issue as thread accumulating. Handling failures gracefully is crucial to ensure data integrity and system reliability. KafkaProducerException: Failed to send; nested exception is org. Feb 21, 2025 · The KafkaTemplate is used to interact with Kafka, queuing the messages efficiently. As per The interceptor for the @Transactional annotation starts the transaction and the KafkaTemplate will synchronize a transaction with that transaction manager; each send will participate in that transaction. send (producerRecord). core, class: KafkaTemplate Methods inherited from class org. In this tutorial, we’ll cover Spring support for Kafka and its abstraction level over native Kafka Java client APIs. isNotNull(); //there is a second assert here that passes, nothing to do with kafka } But there's something odd with this Apr 28, 2025 · Here are some common exceptions in Apache Kafka and examples of how to handle them in your code: 1. Now, since most of the business domain logic is validated through unit tests, applications generally mock all I/O operations in JUnit. This is the send message method we just called. I want to handle all kinds of errors including network errors. Why Using KafkaTemplate to Receive This section covers how to use KafkaTemplate to receive messages. One of the things I've noticed was ListenableFuture<SendResult<String, Object>> future = kafkaTemplate. The following listing shows the relevant methods from KafkaTemplate: Dec 16, 2023 · this. 本文介绍了使用KafkaTemplate发送消息的详细配置、消息发送逻辑和错误处理方法，适合需要了解KafkaTemplate使用细节的读者。 Nov 16, 2020 · I'm a software engineer and here is where I write down what I learn at work or in my own time. Why the timeout exception was not for 1s. This configuration enables the user-service to act as a Kafka producer, sending multiple messages to the specified topic with ease. beans. [request. KafkaTemplate afterSingletonsInstantiated, closeProducer, clusterId, doSend, execute Feb 8, 2025 · It's strongly recommended to use delivery. When using Spring Boot, it will auto-configure the template into the factory; when configuring your own Dec 7, 2023 · Description: When observability is enabled in a Spring Boot application using Spring Kafka, we are encountering an issue where the application is unable to obtain Kafka cluster information. It was written with Java and Scala, so platform … May 3, 2022 · I have a simple KafkaTemplate, that shall send data to a KafkaCluster. Sep 5, 2022 · spring. The implementation doesn’t depend on some test framework, just on the Spring Framework. Expected behavior I want the listener to process the event and send back the reponse. send (message); future. g. * @param autoFlush true to flush after each send. interval. However, in distributed systems, failures are inevitable. V - the value type. IMPORTANT: That timeout is 120 seconds by default so you may wish to reduce it to get more timely failures. I want to increase the timeout. json. The following listing shows the relevant methods from KafkaTemplate: Jun 10, 2019 · Thanks for the info Gary! To clarify a point, when you say "after the get() times out then you can get duplicates", are you referring to a scenario with a get() timeout SOME_TIME < retries * request. Sep 10, 2024 · As we can observe from the exception and logs, the producer attempted to send the message multiple times and ultimately timed out after two minutes. ms, request. An example is a customer order processing system designed to process orders after a delay of X seconds, accommodating cancellations within this timeframe. If the Kafka topic is set with CreateTime all send operations will use the user provided time if provided, else KafkaProducer will generate one If the topic is set with LogAppendTime then the user provided timestamp will be ignored and instead will be the Kafka broker local time when the message is appended All Known Implementing Classes This has been changed for consistency because you may get unexpected behavior (Spring may time out the send(), while it is actually, eventually, successful). completable(). Apr 19, 2023 · So the application tries to send data in Kafka, waits the same period of time as it specified in delivery. memory参数和监控集群负载可提升性能。本文通过代码示例和源码分析揭示阻塞原因及解决方案。 May 27, 2015 · The new timeout. reactive (non-blocking) Kafka producers. onCom The KafkaTemplate wraps a producer and provides convenience methods to send data to Kafka topics. Defaults to the kafka delivery. requests. ms and spring. Set a ProducerListener which will be invoked when Kafka acknowledges a send operation. Mar 22, 2025 · AckMode. backoff. 8, the template has four receive() methods: Oct 14, 2025 · Best Practices Asynchronous Sending Sending messages to Kafka asynchronously can significantly improve the performance of your application. If you are using Spring Boot, you can configure a bean as follows: Apr 29, 2022 · The KafkaTemplate does really nothing fancy about connection and publishing. ms = 3000 In this case ack = all means that the leader will not respond untill it receives acknowledgement for the full set of in-sync replicas (ISR) and the maximum wait time to get this acknowledgement will be 3000 ms. ms property and in case of failure it returns 500 HTTP response. The issues arise with ReplyingKafkaTemplate. ms]=100 spring. Jan 7, 2025 · UPDATE: I tried to increase the timeout, in case kafka is running out of time. Jul 7, 2017 · org. 1. KafkaMessageProducer With KafkaTemplate, it's as simple as writing a letter. send("so75823718", "foo"); is reached, it throws exception and that exception is not ex in whenComplete Jan 24, 2017 · Even if i set kafkaTemplate. It provides a Java library so that applications can write data to, or read data from, a Kafka topic. connection = 1. annotation. flight. request. [batch. spring. If the timeout is reached without reply Oct 3, 2019 · 1 Scenario/Use Case: I have a Spring Boot application using Spring for Kafka to send messages to Kafka topics. 8. springframework. ms property works with the ack configuration of the producer. producer. ms = 1000ms)? E. Is there another way to close the prodcuer that is wrapped by the KafkaTemplate? Jun 20, 2024 · Kafka Producer Introduction In previous article we have seen Basic Kafka Producer example. 2. The following listing shows the relevant methods from KafkaTemplate: A KafkaTemplate that routes messages based on the topic name. Step 6: Kafka Producer Service service/KafkaProducerService. In this post, we will create Spring Boot Kafka Producer Mar 14, 2020 · 我们使用KafkaTemplate. id to dummy in order to provoke org. The timeout is applied Also applies when sending to the success or failure channels. This can happen if the broker is unavailable, if there is network congestion, or if the request takes too long to complete. 1 Sending Messages with the KafkaTemplate The KafkaTemplate wraps a producer and provides convenience methods to send data to kafka topics. Learn how KafkaTemplate from the Spring for Apache Kafka library works and how to use Spring to produce messages to Confluent Cloud. Kafka Producer Retry Basics. KafkaTemplate$1. Learn how to mock the KafkaTemplate send method with a simple example. Sometimes, we may want to delay the processing of messages from Kafka. We can see that KafkaTemplate will use ProducerRecord to encapsulate the Sending a Message Spring’s KafkaTemplate is auto-configured, and you can autowire it directly in your own beans, as shown in the following example: Nov 2, 2021 · The KafkaTemplate wraps a producer and provides convenience methods to send data to Kafka topics. Based on that I would like to updat KafkaTemplate 封装了一个生产者，并提供了方便的方法将数据发送到 Kafka topic。以下列表展示了 KafkaTemplate 中的相关方法 Aug 13, 2021 · The best way to do so though is using a combination of delivery. get (1000,TimeUnit. ms If the network is flaky or brokers are under heavy load, increasing these timeouts via spring. Sep 9, 2022 · Thanks Gary for your quick demo . MILLISECONDS) It still waits to 60s -> max. The E2E result for this issue is a single message sending takes more than Sep 7, 2017 · I am using Kafka in my app and I want to handle timeout exceptions during kafka send message. doSend (KafkaTemplate. Create a KafkaProducer service, autowire KafkaTemplate, and start sending messages. I tried to do next: on callback throw Runtime exception and catch it in the method call. clients. The following listing shows the relevant methods from KafkaTemplate: Dec 20, 2024 · A Deep Dive into Distributed Messaging System Kafka Apache Kafka was first conceived and implemented for LinkedIn, and afterwards open sourced. May 25, 2024 · Apache Kafka is an event streaming platform that collects, processes, stores, and integrates data at scale. Relation to CompletionStage It is possible to obtain a CompletionStage from a KafkaFuture instance by calling toCompletionStage(). The following listing shows the definition of the ProducerListener interface: My point is suppose i am send 10 messages and for some reason 7th future is in pending state then what will happen to my application?Will it keep waiting for 7th future completion indefinitely ?And is this even a possible scenario? Fields inherited from interface org. ms, is set to 120000 milliseconds by default, which equals 2 minutes. IMPORTANT: That timeout is 120 seconds by default, so you may wish to reduce it to get more timely failures. * @param producerFactory the producer factory. BiConsumer) or CompletableFuture. kafkaTemplate: KafkaTemplate is a part of Spring Kafka and is used for sending messages to a Kafka topic. Optionally, you can configure the KafkaTemplate with a ProducerListener to get an asynchronous callback with the results of the send (success or failure) instead of waiting for the Future to complete. KafkaTemplate closeProducer, doSend, execute, executeInTransaction, flush, getDefaultTopic Oct 21, 2022 · @Autowired private KafkaTemplate<String, String> kafkaTemplate; kafkaTemplate. send (KafkaTemplate. Mar 3, 2010 · The KafkaTemplate wraps a producer and provides convenience methods to send data to Kafka topics. Everything is delegated to the KafkaProducer. java:574) at org. Jul 13, 2017 · I'm using Spring-Kafka version 1. The code is something like this: Learn the basics of KafkaTemplate, configure KafkaTemplate with custom properties, and configure producer and consumer factories with examples. In this blog post, we will declaration: package: org. JsonDeserializer; import org. To ensure message delivery, applications must implement retry mechanisms. kafka. ms and delivery. send(payloadMsg); sendResultCompletableFuture. To implement a retry logic for message processing in Kafka, we need to select an AckMode. This is the preferred way to control retry behavior. Nov 17, 2023 · @Component public class MessageProducer { @Value("${topic. The following listing shows the relevant methods from KafkaTemplate: Mar 3, 2010 · The KafkaTemplate wraps a producer and provides convenience methods to send data to Kafka topics. send () without handling the ListenableFuture returned, you're effectively blocking the calling thread until the message is acknowledged by the Kafka broker. How shall I stop the producer from sending records? I meant stop calling kafkaTemplate. ms]=200000 request. In this article, we’ll explore consumer processing of Kafka Nov 25, 2021 · org. controller; import org. Avoid blocking operations in the producer code. The following listing shows the relevant methods from KafkaTemplate: Jan 8, 2024 · Learn methods for testing Kafka applications with Spring Boot to ensure robust and reliable performance. Tried with retry configs but A flexible future which supports call chaining and other asynchronous programming patterns. java:369) Aug 6, 2018 · the problem with wrong import class as there are two classes JsonDeserializer: import org. What you describe here would happen exactly even if you'd use just plain Kafka Client. build()); assertThat(dto). per. Mar 23, 2023 · oauth. This issue results in a TimeoutException during Jan 20, 2025 · In this tutorial, I will guide you all on how to send messages to Apache Kafka using the KafkaTemplate class of Spring for Apache Kafka. send() thianking everything will work fine. The following listing shows the relevant methods from KafkaTemplate: Jan 30, 2022 · It provides a “ KafkaTemplate ” as a high-level abstraction for sending messages. java: Methods inherited from class org. send("topic", "message to send"); And finnally, kafka configuration: The KafkaTemplate wraps a producer and provides convenience methods to send data to Kafka topics. But I want to know if there is an even direct or alternate way of sending messages Jan 8, 2024 · The session. Reproduce Create and send events to the topic that I want to get a synchronous reply. To enable this feature, set the commitRecovered and kafkaTemplate properties on the DefaultAfterRollbackProcessor. 5 with Kotlin 1. I could see you are using spring default container factory for listener. Everything works, but when the server is unavailable, the onFailure event is processed for a long ti Sep 8, 2018 · 在前几章中，我们使用KafkaTemplate. addCallback(new ListenableFutureCallback<>() { @Override public void onSuccess(SendResult<String, Message > result) { //do nothing } @Override public void onFailure(Throwable ex) { log. Jan 8, 2024 · Kafka is a message processing system built around a distributed messaging queue. Sample A link to a GitHub repository with a minimal, reproducible, sample. Discover how to effectively handle `Mockito` exceptions during KafkaTemplate testing in your Spring Boot applications for seamless integration and reliable d Mar 1, 2010 · The KafkaTemplate wraps a producer and provides convenience methods to send data to Kafka topics. TIME: In this manual mode, the consumer sends an acknowledgment after a certain amount of time has passed. size]=100000 spring. It’s the total time allotted for the entire send operation, including retries. in. ms property + 5 seconds. For example consider the following situation ack = all timeout. whenComplete(java. 1. The Kafka Template is a utility provided by Spring for interacting with Apache Kafka in a more convenient and structured way. The following listing shows the relevant methods from KafkaTemplate: Nov 23, 2023 · When the StreamBridge#send method calls, the underlying KafkaTemplate will use the same transactional resource created by the custom KafkaTransactionManager file. Once all messages are queued, the endpoint returns a success response, confirming that the operation was completed. ProducerCallback), only simple send operations. * @param configOverrides producer configuration properties to override This has been changed for consistency because you may get unexpected behavior (Spring may time out the send(), while it is actually, eventually, successful). ms instead of relying on a huge retry count. send() JavaDocs: * @throws TimeoutException If the record could not be appended to the send buffer due to memory unavailable * or missing metadata within {@code max Nov 14, 2024 · Java 设置 Kafka 生产者 Send 超时 在使用 Kafka 作为消息队列时，经常会遇到需要设置生产者的发送超时时间的情况。超时设置可以帮助我们更好地处理消息投递的延迟，确保生产者能够在合适的时间内进行重试或报告失败。本文将介绍如何在 Java 中设置 Kafka 生产者的发送超时时间，并详细讲解每一步的 Jan 10, 2024 · This property, spring. Starting with version 2. Jun 27, 2023 · 问题描述 使用KafkaTemplate作为生产者发送消息时为了不影响主流业务会采用异步发送的方式，如下 public void producerSendFuture(String topic, String data) { logger. block. Jan 10, 2022 · Trying to build a list of possible errors that can potentially happen during the execution of kafkaTemplate. send(). Jul 25, 2022 · However, this is not working as expected because the timeoutException is only thrown after 60 seconds, which is the default time out value if i am mistaken. kafkaspringboot. [delivery. ms how long the producer will wait for a reply from the server when sending data will control by this parameter. send() method: Errors related serialization process; Some network issues or broker is do Oct 14, 2025 · Kafka is a popular distributed streaming platform that enables high - throughput, fault - tolerant data processing. delivery. Apache Kafka, a distributed streaming platform, has become one of the most popular tools for this purpose. Though ReplyingTemplate extends KafkaTemplate would there be any issues if I use the my customListenerFactory?Basically how would the setReplytemplate differentiates two different templates (Producer ones). Since an error occurs when sending a message to the queue by the producer, I increased the value of the corresponding parameter in the producer settings, in application. Spring Kafka brings the simple and typical Spring template programming model with a KafkaTemplate and Message-driven POJOs via @KafkaListener annotation. If it didn't receive the expected May 5, 2025 · If you're using KafkaTemplate. Mar 25, 2017 · Apache Kafka is a distributed and fault-tolerant stream processing system. KafkaTemplate is the key Spring abstraction used to send messages to Kafka topics. TimeoutException This exception is thrown when a timeout occurs while waiting for a response from Kafka. Transaction: send message to kafka and insert in database. onCompletion(KafkaTemplate. consumer. KafkaException: Failed to construct kafka producer and to see where the flow will end up. Feb 6, 2024 · I'm migrating to spring-kafka 3. send(topicName, message); future. 1 and, when the Kafka server is down/unreachable, the asynchronous send calls block for a time. send的具体源码实现来找下答案 Jan 17, 2022 · 如果不看代码，我站在设计者角度结合类图猜想：生产端实际使用的是KafkaTemplate的send方法，具体的参数都是由DefaultKafkaProducerFactory接收。 Then, if you are using the DeadLetterPublishingRecoverer to publish a failed record, the processor will send the recovered record’s offset in the original topic/partition to the transaction. whenComplete((data, ex) -> { 3. It also provides support for Message-driven POJOs with @KafkaListener annotations and a “listener container”. In this post, we'll explore how to set up and integrate Kafka with Spring Boot to manage message exchange between services efficiently and robustly Jun 14, 2025 · In our daily development using Kafka in Spring Boot, we often send messages using kafkaTemplate. 2, @KafkaListener (and @KafkaHandler) methods can be specified with asynchronous return types, letting the reply be sent asynchronously. ms indicates the frequency in milliseconds that a consumer sends heartbeats to the group coordinator. . x: Sep 14, 2022 · We are using AggregatingReplyingKafkaTemplate for sending and recieving a reply of messages. util. MANUAL: In this manual mode, the consumer doesn’t send an acknowledgment for the messages it processes. Introduction With Spring Boot, sending messages to Apache Kafka is a breeze! No fussing over extra dependencies – the mighty Apache Kafka core comes with all you’ll need. factory. Mar 23, 2020 · 我们使用KafkaTemplate. May 20, 2021 · KafkaTemplate. In this article I am going to cover advanced kafka producer configurations to send kafka messages with Mar 26, 2018 · I'm trying to implement an asynchronous REST method of sending a message to Kafka in Spring MVC. 228 INFO 3524 --- [ad | producer-1] org. kafka The KafkaTemplate wraps a producer and provides convenience methods to send data to Kafka topics. Dec 7, 2023 · Description: When observability is enabled in a Spring Boot application using Spring Kafka, we are encountering an issue where the application is unable to send message using kafkaTemplate. How can i configure the KafkaTemplate so that the wrapped producer stops trying to connect to the KafkaCluster to fetch the metadata for the given topic in case the Kafka Cluster is not reachable? Jun 17, 2020 · 2，同步发送消息的结果 （1）默认情况下 KafkaTemplate 发送消息是采取异步方式发送的，如果希望同步发送消息只需要在 send 方法后面调用 get 方法即可， get 方法返回的即为结果（如果发送失败则抛出异常） If the factory implementation does not support the copy operation, * a generic copy of the ProducerFactory is created which will be of type * DefaultKafkaProducerFactory. Now consider, that the KafkaCluster goes down (not just temporarily). connect. send(String data)这个方法发送消息到Kafka中，显然这个方法并不能满足我们系统的需求，那我们需要查看一下Ka Aug 6, 2025 · Learn how to implement the request-reply synchronous messaging pattern when working with a Kafka message broker in Java. RELEASE) where when producer send message with kafkatemplate, i like to know if that message was sent successfully or not. ms: The total time allowed for message delivery, including retries. This behavior is consistent with the default settings of KafkaProducer: KafkaTemplate sends messages asynchronously When the sending time is long, it will cause the process to shut down in advance and the callback time cannot be called. send(String data)这个方法发送消息到Kafka中，显然这个方法并不能满足我们系统的需求， 那我们需要查看一下KafkaTemplate所实现的接口，看看还提供了什么方法。 当我们发送消息到Kafka后，我们又怎么去确认消息是否发送成功呢？这就涉及到 Nov 7, 2025 · ProducerFactory defines Kafka producer properties and serializers. core. TimeoutException: Topic not present in metadata after 60000 ms. The KafkaTemplate sends messages asynchronously by default. Optionally, you can configure the KafkaTemplate with a ProducerListener to get an asynchronous callback with the results of the send (success or failure) instead of waiting for the Future to complete. ms (e. vkwqdo lbut oeuo kjvnnqw gmoccmc fvyam ihdtmio yuixt idqbfk dufyrk qnmq rfx dmfdun xxls lyvcj