Symfony Messenger Retry & Failure Handling

This skill provides comprehensive patterns for managing asynchronous message failures within the Symfony ecosystem. It enables developers to implement sophisticated retry logic including exponential backoff, custom retry strategies, and the classification of recoverable versus unrecoverable exceptions. By setting up dedicated failure transports (dead letter queues) and monitoring tools, it ensures that transient errors are handled automatically while permanent failures are safely captured for manual intervention, resulting in highly resilient background processing systems.

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