PostgreSQL server text log

PostgreSQL server text log. Database server diagnostic text including authentication errors.

Source and collection

Configured service log destination; commonly under /var/log or the service data directory.

Record the exact log format directive, rotation policy, time zone and service version.

Native example and provenance

upstream test fixture. Published example; no independent capture provenance claimed.

Original publisher / pinned upstream fixture — line 3

One complete record selected; values unchanged.

Pinned source commit: 9ae756f00f82786ac3496ce99c2dd288c5a5c031

Download the exact sample · Offline research kit

SHA-256: 894da953f9df68cee0fe8dbf1e6373d324bea070d10b89d5e6cb8b8d78d0d955

2020-04-15 12:04:45.416 CEST [24981] FATAL:  password authentication failed for user "root"

Structure and field interpretation

Observed structure in this specific sample
Field/path	Serialized type
`raw record`	text

Timestamp: May omit year or time zone depending on configuration.
Message: Parse according to the exact service format, preserving quoted request fields.

Investigation uses

Investigate failed authentication alongside connection and database audit evidence.
Preserve quoting, escaping and complete multiline records when applicable.

Validation boundaries

log_line_prefix is configurable; server error logs are not a complete SQL audit trail.

This text sample passed byte-integrity and record-framing checks. Its field interpretation follows the cited format; a vendor-specific semantic parser has not been certified.

For a simulation, first parse this fixture offline, then create a separately labelled synthetic variant and test it against the intended collector in an isolated lab. Never replay public example identities or destinations into production.

Ecosystem connections

References

PostgreSQL: Documentation: 18: 19.8. Error Reporting and Logging

Sample provenance is linked above. Field availability and product behavior must be checked against the deployed version.