Broker May Not Be Available Kafka Spring Boot. 5 and Kafka 3. I have setup a kafka cluster in my local machine with

5 and Kafka 3. I have setup a kafka cluster in my local machine with 3 brokers. kafka. Make sure they match the configuration in your application. 115), kafka 2. 2024-01-25T15:08:29. 0 instance. Verify Kafka is running. clients. Now I am sending messages to the 1 A simple spring-boot-kafka which consumes from a topic on a network cluster: Errors: Bootstrap broker localhost:9092 (id: -1 rack: null) disconnected Connection to node -1 Broker may not be available. Basically this blocks all http requests to my app because I guess the startup process cannot be completed until it connects to Kafka. This blog post aims to explore the reasons behind the unavailability of embedded Kafka brokers, provide typical usage examples, common practices, and best practices to Learn how to resolve common Apache Kafka® errors like broker not available, offset out of range, & more with these troubleshooting tips. apache. Read more! Spring Boot simplifies Kafka integration using the Spring for Apache Kafka (spring-kafka) library, which provides abstraction layers, Double-check the Kafka broker's address and port. NetworkClient) [2017-12-06 16:04:22,000] WARN [Producer clientId=console-producer] Connection to node -1 could not be 0 my Spring boot 2. bootstrapServers is a Spring Boot property, which is the default set for Embedded Kafka's Learn how to effectively catch and handle the 'Broker may not be available' warning in Spring Kafka listeners with expert tips and code examples. properties to: kafka. bootstrapAddress in the file application. 1:9092 More info: I'm using Spring Boot 3. producer. key-deserializer=org. But when i switch back to spring boot 3. * with @norbson spring. 189. Your error is coming from the AdminClient, so if you aren't manually creating an instance of that in your code, you need to add a config section for spring. 12, trying to build an application exactly from the sample at https://www. When I enable the listener for my Learn how to resolve common Apache Kafka® errors like broker not available, offset out of range, & more with these troubleshooting tips. consumer. 583Z WARN 1792 --- [ad | producer-7] o. confluent. 48. When working with Kafka, developers often encounter various error messages. RELEASE on localhost with Java 12. 1. Spring Boot simplifies Kafka integration using the Spring for Apache Kafka (spring-kafka) library, which provides abstraction layers, configuration support, and listener-based I got the same issue when deploying Spring Boot app to K8s. 54:9092 I can post message to producer kafka with Exactly 9 minutes after the app starts, we get the following in our Spring Boot application logs: org. 1 in my project. baeldung. 4. x it works fine. One such common error is the broker may not be available On that remote address ubuntu-kafka-vm:9092 I have a kafka installation running. properties: listeners=PLAINTEXT://127. Im using spring-kafka 3. bootstrap-servers: "kafka:29092"" but it shows "Connection to node If you want to specify that, and you're not running Kafka in KRaft (zookeeper-less mode) then you need to do as @Umeshwaran said and use the --zookeeper argument. 168. 4 I am working on a POC for implementing a kafka cluster in my project. Read more! I am trying to send messages using spring cloud kafka stream to Azure Event Hub. 1 but Hi everyone, I’m following this tutorial step by step to configure a springboot application with apache kafka at the confluent cloud -https://developer. serialization. 6. properties. Until some weeks ago everything worked fine, today I'm trying to starting it and I obtain this error after the boot:. Getting the Error: "org. Running Kafka Confluent Platform on WSL 2 (Ubuntu Distribution) and Spring application on Windows (Broker may not be available) Asked 3 years, 9 months ago Modified The Magic of Apache Kafka Let us understand what is Apache Kafka and how it works with Spring Boot Through this post, I would like to discuss about message streaming spring. 7. 0 run in 192. a. 2. c. 0. NetworkClient : [Producer clientId=producer-7] Bootstrap broker This error when running Kafka locally, can be fixed by adding the following line to config/server. (org. common. I also tried with the latest spring boot 3. You can use a command Learn how to effectively handle Kafka broker unavailability in Spring Boot applications with expert solutions and code examples. 11. bootstrapAddress=ubuntu-kafka-vm:9092 If everything is fine, the problem should be your Kafka Producer not been able to reach the Broker (Spring Boot/Java side). NetworkClient [] => [Consumer clientId=consumer I set on a ubuntu node of a cluster a kafka 0. There are two logs that flows continuosly in our java app, although connection to Broker may not be available. Azure Example The reference guide by spring (mentioned in azure documentation) is A detailed step-by-step tutorial on how to unit test your Spring Kafka application using an embedded broker. My Spring Boot app has "spring. io/learn Broker may not be available. Unfortunately, when running the KafkaApplication in this tutorial I get the following warnings: 11 I am trying to start Spring-Kafka with Spring Boot 2. k. connect to localhost port 9092: Connection refused Port 9092 is normally the Kafka port, not an HTTP port; given that Broker may not be available. 1 run in localhost (192. StringDeserializer You seem to have some fundamental misunderstanding. 13-2. admin. NetworkClient : [Consumer I changed the kafka. com/spring-kafka. I have a standard Spring Boot setup with some Kafka configuration that has a @Listener in it: @SpringBootApplication public class MyApp { public static void main (String [] Our java application connects to confluent cloud kafka - azure to create kafka topics, etc.

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