Troubleshooting

Symptoms and their causes, and the transport's less obvious behaviour.

Troubleshooting

Fix common NestJS JetStream issues, from connection errors and consumer lag to RPC timeouts, DLQ publish failures and stream migration recovery.

Edge Cases & FAQ

NestJS JetStream transport FAQ: publisher-only mode, consumer self-healing, NATS header limits, fire-and-forget messaging, and DeliverPolicy edge cases.