Spring Boot - Messaging
Which Spring Boot annotation is commonly used to listen to messages including those routed to a Dead Letter Queue?
Which Spring Boot annotation is commonly used to listen to messages including those routed to a Dead Letter Queue?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify Spring Boot messaging annotations
@RabbitListener is the standard annotation for RabbitMQ message listeners in Spring Boot.Step 2: Match annotation to DLQ listening
DLQ messages are consumed like normal messages, so @RabbitListener applies; others are unrelated or incorrect.Final Answer:
@RabbitListener -> Option BQuick Check:
Listener annotation = @RabbitListener [OK]
Quick Trick: Use @RabbitListener to consume messages including DLQ ones [OK]
Common Mistakes:
- Confusing Kafka and RabbitMQ annotations
- Using non-existent @QueueListener
- Mixing @MessageMapping with messaging listeners
Master "Messaging" in Spring Boot
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