Robin Moffatt 3/13/2025

Why is kcat showing the wrong topics?

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The article details a troubleshooting scenario where the kcat (kafkacat) CLI tool displayed Kafka topics from an unexpected broker. The cause was a configuration file (~/.config/kcat.conf) taking precedence over command-line arguments, overriding the specified broker address. It serves as a technical note for developers and DevOps engineers using Kafka tools.

Why is kcat showing the wrong topics?

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