Скачать или смотреть How to Configure kafka-topics.sh with SASL_PLAINTEXT Authentication in Apache Kafka

Learn how to successfully set up `kafka-topics.sh` with SASL_PLAINTEXT authentication in Apache Kafka. This guide breaks down the process into simple steps and provides solutions to common issues.
---
This video is based on the question https://stackoverflow.com/q/69752997/ asked by the user 'Alex.P' ( https://stackoverflow.com/u/17269981/ ) and on the answer https://stackoverflow.com/a/69802771/ provided by the user 'Mickael Maison' ( https://stackoverflow.com/u/1765189/ ) 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: Kafka-topics.sh authentication

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.
---
A Comprehensive Guide to Configuring kafka-topics.sh with SASL_PLAINTEXT Authentication

Are you struggling to get the kafka-topics.sh script to work with SASL_PLAINTEXT authentication in your Apache Kafka setup? You're not alone! Many Kafka users encounter issues when configuring authentication for their servers, especially with SASL. In this guide, we will walk through the proper steps to authenticate using kafka-topics.sh, troubleshoot common errors, and ensure a secure and efficient Kafka environment.

Understanding the Problem

When working with Apache Kafka, you might have configured your server to use SASL_PLAINTEXT security protocols, which requires a few specific settings in your server.properties and JAAS configuration files. Here is a brief summary of what you might typically find in your configurations:

Server Configuration (server.properties)

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

JAAS Configuration

You might have provided your JAAS configuration via the KAFKA_OPTS variable as such:

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

Common Authentication Errors

You may have noticed error messages in your Kafka logs, such as:

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

This indicates that the authentication process is not working as intended, usually due to configuration issues.

Step-by-Step Solution

1. Create a Configuration File

First, create a new configuration file called config.properties. This file will hold your necessary SASL credentials and configuration parameters as follows:

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

2. Run kafka-topics.sh with the Config File

Once your configuration file is ready, you can execute the kafka-topics.sh script with the following command:

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

3. Important Security Note

Be aware that with SASL_PLAINTEXT, your credentials and data are transmitted in clear text over the network. It is highly recommended that you enable SSL encryption to secure communications between clients and brokers to prevent potential data breaches.

Conclusion

By following these steps, you should be able to successfully authenticate and utilize the kafka-topics.sh script with SASL_PLAINTEXT on your Kafka server. If you continue to experience issues, revisit your configurations and ensure that all credentials are correctly set up. Remember, setting up authentication can be tricky at first, but with practice, it will become easier! Happy Kafka-ing!