Bitnami Kafka docker container not starting on Ubuntu – Docker

The Problem:

A docker-compose configuration is provided to run bitnami/zookeeper and bitnami/kafka containers. However, only the zookeeper container starts successfully. Inspecting the logs of the kafka container reveals warnings related to missing listeners for the CONTROLLER and the absence of KAFKA_KRAFT_CLUSTER_ID. The user has verified that port 9092 is not in use by any other process, and the techBankNet network exists. The issue needs to be identified and resolved to start the bitnami/kafka container successfully.

The Solutions:

Solution 1: Examine Kafka Logs with BITNAMI_DEBUG

To diagnose the issue, set BITNAMI_DEBUG=true in the environment configuration to enable additional logging:

kafka:
  image: bitnami/kafka
  ports:
    - "9092:9092"
  volumes:
    - "kafka_data:/bitnami"
  environment:
    - BITNAMI_DEBUG=true
    - KAFKA_CFG_ZOOKEEPER_CONNECT=zookeeper:2181
    - ALLOW_PLAINTEXT_LISTENER=yes
    - KAFKA_CFG_LISTENERS=PLAINTEXT://:9092
    - KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://localhost:9092
  depends_on:
    - zookeeper

This will provide more detailed error messages, which can help identify the root cause of the issue.

Video Explanation:

The following video, titled "Kafka Running in Less Than 5 Minutes - YouTube", provides additional insights and in-depth exploration related to the topics discussed in this post.

Get Kafka up and running fast on your machine with docker/docker-compose. Bitnami Kafka Docker compose file: ...