AB-4012 redelivery_exhausted
| Class | Delivery |
| HTTP status | n/a (n/a) |
| Retryable | no |
When it happens
Carried in system.undeliverable when max delivery attempts were reached.
Hint
Message
{id}was delivered {n} times without a transport ack and moved to the dead-letter queue. The recipient sidecar is accepting connections but not persisting; check its disk and logs.
Troubleshooting
Recipient: agentbus doctor checks local inbox DB health.