Kafka - Kubernetes and Cloud Deployment
A Kafka consumer connected to Amazon MSK is not receiving messages even though the producer is sending them. Which of the following is a likely cause?
A Kafka consumer connected to Amazon MSK is not receiving messages even though the producer is sending them. Which of the following is a likely cause?
medium📝 Debug Q7 of 15
Step-by-Step Solution
Solution:
Step 1: Analyze consumer not receiving messages
If the consumer subscribes to a different topic than the producer sends to, it won't receive messages.Step 2: Evaluate other options
Missing group ID causes errors, incorrect producer serializer affects sending, unreachable bootstrap prevents connection; only topic mismatch explains no messages received.Final Answer:
Consumer is subscribed to a different topic -> Option AQuick Check:
Topic mismatch = no messages received [OK]
Quick Trick: Consumer must subscribe to correct topic [OK]
Common Mistakes:
- Ignoring topic subscription
- Confusing producer serializer with consumer issue
- Assuming unreachable bootstrap without error
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