Kafka - Kubernetes and Cloud Deployment
You configured your Kafka consumer in Confluent Cloud but it never receives messages. Which of the following is a likely cause?
You configured your Kafka consumer in Confluent Cloud but it never receives messages. Which of the following is a likely cause?
medium📝 Debug Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Check consumer group ID importance
Consumer group ID is required for Kafka consumers to join a group and receive messages.Step 2: Identify impact of missing group ID
Without a valid group ID, the consumer won't be assigned partitions and won't receive messages.Final Answer:
Consumer group ID is missing or incorrect -> Option BQuick Check:
Missing group ID = no messages received [OK]
Quick Trick: Always set a valid consumer group ID [OK]
Common Mistakes:
MISTAKES- Using localhost bootstrap servers
- Assuming topic has no partitions
- Confusing producer ack settings
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