Spring Boot - Messaging
Which annotation is used to mark a method as a Kafka message listener in Spring Boot?
Which annotation is used to mark a method as a Kafka message listener in Spring Boot?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the listener annotation
The annotation to listen to Kafka topics is @KafkaListener.Step 2: Exclude other incorrect annotations
@KafkaProducer and @KafkaConsumer are not valid Spring annotations; @KafkaHandler is for message handling but not listener registration.Final Answer:
@KafkaListener -> Option CQuick Check:
Listener annotation = @KafkaListener [OK]
Quick Trick: Use @KafkaListener to receive Kafka messages [OK]
Common Mistakes:
- Using @KafkaConsumer instead of @KafkaListener
- Confusing @KafkaHandler with listener annotation
- Assuming @KafkaProducer listens to messages
Master "Messaging" in Spring Boot
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