Скачать или смотреть Troubleshooting message.max.bytes Configuration in Bitnami Docker Kafka

Discover how to resolve the Kafka `Invalid value for configuration message.max.bytes` issue in Bitnami Docker Kafka for a smoother setup!
---
This video is based on the question https://stackoverflow.com/q/77862009/ asked by the user 'xDD' ( https://stackoverflow.com/u/21204595/ ) and on the answer https://stackoverflow.com/a/77862468/ provided by the user 'Shkolar' ( https://stackoverflow.com/u/1543945/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: bitnami docker kafka: Invalid value for configuration message.max.bytes

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Troubleshooting the message.max.bytes Configuration in Bitnami Docker Kafka

If you're a developer working with Apache Kafka in a Docker environment, you may encounter a frustrating issue related to the message.max.bytes configuration. This problem can seemingly arise out of nowhere, causing your Kafka broker to throw an error that halts your development process. But don't worry; help is at hand! In this guide, we'll explore the error, its root cause, and the solution to get your Kafka broker up and running.

The Problem: Invalid value for configuration message.max.bytes

Users have reported receiving the following exception when trying to launch a Bitnami Kafka broker inside a Docker container:

[[See Video to Reveal this Text or Code Snippet]]

This error occurs during the initialization of the Kafka broker, often after switching to different systems, such as from an Intel MacBook to an M3 MacBook, which may have different libraries or configurations.

Context

In your case, you have already set up your Docker environment and defined your docker-compose file. However, after switching systems, the Kafka configuration has thrown an error related to message.max.bytes. This can be frustrating since the same setup worked flawlessly on your previous machine.

The Solution: Update the Docker Configuration

The core of the issue lies in the Kafka configuration that you're using in your docker-compose file. To resolve the Invalid value for configuration message.max.bytes error, you need to add an environment variable that explicitly defines the maximum bytes allowed for messages. Here’s how:

Step-by-Step Guide

Open your Docker Compose file: Locate the docker-compose.yml file that you’ve been working with.

Add the Environment Variable: Under the environment section for your Kafka service, include the following line:

[[See Video to Reveal this Text or Code Snippet]]

This line sets the maximum size of a message to 20 million bytes, which should suffice for most use cases.

Updated Example Configuration: Your docker-compose file should now look like this:

[[See Video to Reveal this Text or Code Snippet]]

Deploy Your Changes: Save the changes to your docker-compose.yml file and run the following commands to apply the changes:

[[See Video to Reveal this Text or Code Snippet]]

Verify the Fix: Check the logs after starting your Kafka service to make sure the error does not appear and that Kafka is running correctly.

Conclusion

By making this simple adjustment to your Kafka configuration, you can effectively resolve the Invalid value for configuration message.max.bytes error. This tweak not only allows you to get your Kafka instance running smoothly on a new system but also provides you with a better understanding of how message sizes can be controlled in your setup.

If you continue to experience issues or have any questions, feel free to leave comments below. Happy coding!