How to Fix Infinite Retry Loops in Node.js Background Job Workers

Uncontrolled retry loops in Node.js worker queues can exhaust all worker slots and delay healthy messages, making them an availability risk rather than a simple configuration issue. The root cause is often a mismatch between multiple retry counters maintained separately by the broker, worker library, and application code. Developers are advised to assign each background job a finite attempt budget and classify failures as permanent or temporary before scheduling another delivery. Permanent failures should be routed to a dead-letter queue, which operators can redrive only after deliberate review. Metadata such as job ID, attempt count, and redrive generation must be preserved across retries to enable accurate incident reconstruction and prevent invalid jobs from receiving a fresh attempt budget.