Broker may not be available kafka spring boot. clients. and Aug 22, 2019 · 11 I am trying to start Spring-Kafka with Spring Boot 2. Both kafka and kafka-ui are in containers. [org. bootstrap-servers property is a crucial setting in a Spring Boot application that uses Apache Kafka. 1 Kafka: 3. It tells your application where to find the Kafka brokers it needs to connect to. applicat Apr 21, 2023 · 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 [] args) { SpringAppli Feb 21, 2021 · But the problem occurred when I tried to run spring boot test with the above testcontainer configuration because testcontainer dynamically generates broker ports but NetworkClient continuously accessing the broker with localhost:9092 even though I dynamically override properties on @SpringBootTest code like below Oct 29, 2019 · I have a Spring boot application where I'm consuming from a Kafka topic. If you read the Sep 2, 2025 · The spring. common. I want to avoid this behaviour since it's expected that the app continues to work because it has other functionalities. 1 OS: Windows Admin client timing out and broker not available: org. Nov 3, 2020 · I am running into a problem with spring boot kafka docker, tried all the things mentioned in the below link but the issues still remain. " I tried switching the Java Version to 11 and 8 and various Properties Aug 26, 2021 · Spring-kafka 2. Spring Boot and Apache Kafka are widely used in the software industry for developing microservices and handling streaming data, respectively. Aug 4, 2023 · Spring boot: 3. NetworkClient - [Consumer clientId=consumer-3, groupId=] Connection to node -1 could not be established. ) to Kafka on Docker, AWS, or any other machine. springframework. 7. I'll list all the docker commands I've used to get a local one node setup running. Thanks to the tutorial bellow now I understand properly how to setup a podman bridge network and how to configure advertised listeners in kafka. apache. 4 - not able to connect to dev broker when using @RetryableTopic #1921 Answered by garyrussell vivekkamineni asked this question in Q&A vivekkamineni. This article discusses strategies and coding practices to handle these situations effectively, ensuring that your Aug 11, 2018 · While the spring-boot app is running and if I shutdown the broker completely ( both kafka and zookeeper ) I am seeing this warn in console for infinite amount of time. One common issue developers encounter when integrating Kafka with Spring Boot is handling scenarios when the Kafka broker is not available. How to troubleshoot connectivity between Kafka clients (Python, Java, Spring, Go, etc. errors. 4. How can I make sure that my service stays up even if the broker is Dec 27, 2018 · 4 I am working on a POC for implementing a kafka cluster in my project. I have setup a kafka cluster in my local machine with 3 brokers. Jan 24, 2026 · A practical guide to diagnosing and resolving "Broker May Not Be Available" connection errors in Apache Kafka, including network troubleshooting, configuration fixes, and preventive measures. Mar 21, 2022 · Broker may not be available. 13:57:45. kafka. NetworkClient : [Consumer clientId=consumer-1, groupId=inter] Connection to node -1 could not be established. 1. 223 [main] WARN o. Spring Boot containers can not connect to the Kafka container Learn how to effectively handle Kafka broker unavailability in Spring Boot applications with expert solutions and code examples. Jun 26, 2019 · Broker may not be available. TimeoutException: Timed out waiting to send the call. Oct 14, 2025 · Use Kafka monitoring tools like Kafka Manager or Confluent Control Center to monitor the health of Kafka brokers. Now I am sending messages to the Kafka server using Spring MVC REST service which is internally using Spring Kafka to produce and consume messages to and from the Kafka cluster. These tools can provide insights into broker load, disk usage, and other important metrics. Think of it as the address book for your Kafka cluster. I developed spring boot application with kafka,producer and consumer in the same application . Note: podman or docker, the commands are the same. RELEASE on localhost with Java 12. Feb 20, 2021 · I am new to docker and I'm having a problem running a Kafka broker inside a Docker container. Bootstrap broker localhost:9092 (id: -1 rack: null) disconnected I have a look this articles: Confluent Why Can’t I Connect to Kafka? | Troubleshoot Connectivity How to troubleshoot connectivity between Kafka clients (Python, Java, Spring, Go, etc. Getting the Error: "org. The problem is that if the broker is unavailable, the application will shutdown. Jul 27, 2022 · I've wasted a lot of time trying to get Kafka-GUI running. Broker may not be available. ykw uvx hup pse xng frw eek ska pky cwd hgj noa ldw qav ibb