Error code
PostgreSQL 40001
POSTGRESQL40001
Database Error Code· An error code returned by a database server such as PostgreSQL or MySQL.
What it means
serialization_failure — the transaction conflicted with a concurrent write.
How to fix it
- Retry the transaction from the beginning on this error code.
- Reduce transaction scope or lower isolation level to READ COMMITTED where serializable reads are not required.
- Use SKIP LOCKED in queue-consumer patterns to avoid contention.
Not affiliated with PostgreSQL. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More PostgreSQL codes
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- 23514check_violation — a row failed a table check constraint
- 25P02in_failed_sql_transaction — the current transaction has already failed
- 28000invalid_authorization_specification — the role is not permitted to connect