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Dead letters in Spring Boot: why RabbitMQ messages end up in the DLQ, and how to replay them
From the Warren blog : dead-letter operations for RabbitMQ. A @RabbitListener throws. What happens next depends on three Spring AMQP settings most services never set on purpose: whether the message is requeued, whether it is retried, and what the last retry does with it. Get them wrong and one bad…