PostgreSQLERRORNotableTransaction RollbackHIGH confidence

transaction rollback

Q: How to fix PostgreSQL 40000 transaction rollback?

Implement retry logic for transaction rollbacks: Rollback codes (class 40) generally indicate transient conflicts that can be resolved by retrying the transaction. Implement exponential backoff retry in the application layer.

What this means

SQLSTATE 40000 is the generic transaction rollback code. It is raised when a transaction is rolled back due to a conflict or error that does not map to a more specific 40xxx code. The transaction must be restarted.

Why it happens

1Generic transaction rollback not covered by 40001 (serialization failure) or 40P01 (deadlock)

How to reproduce

Generic transaction rollback scenario.

expected output

ERROR:  transaction rollback

Fix

Implement retry logic for transaction rollbacks

WHEN When 40000 appears in production logs.

Why this works

Rollback codes (class 40) generally indicate transient conflicts that can be resolved by retrying the transaction. Implement exponential backoff retry in the application layer.

Sources

Official documentation ↗

Class 40 — Transaction Rollback

Content generated with AI assistance and reviewed for accuracy. Found an error? hello@errcodes.dev

At a glance

PlatformPostgreSQL SQLSTATE Errors

Code40000

ClassTransaction Rollback

SeverityERROR

TierNotable

ConfidenceHIGH