A sample of non-blocking retries and dead letter topics (aka reliable reprocessing and dead letter queues) with Apache Kafka using Spring Boot and Spring Kafka.

📹 Replay messages from (RabbitMQ) AMQP dead-letter queue

dotnet tool for managing dead letters in Azure Service Bus

Terraform module which creates a lambda function, monitoring via CloudWatch and a dead-letter queue with roles

RabbitMQ Dead-Letter Explained