I thought this would be a simple task.
I already had a Python Kafka producer running. Kafka was up in Docker. The topic existed, and I could send a message into it successfully.
The next step sounded straightforward:
Python Producer
↓
Why Spark Couldn't Read from Kafka: A Real Debugging Journey Across PySpark, Hadoop, Docker, and Kafka
A step-by-step troubleshooting case study covering PySpark, Spark Kafka connectors, Windows/Hadoop issues, Docker networking, Kafka advertised.listeners, and Ivy cache failures.
2,736 words~12 min read
