Intermittent 504 (Gateway time-out) status code errors on OAI-PMH queries

Incident Report for Crossref

Resolved

This incident has been resolved.
Posted Aug 12, 2025 - 19:47 UTC

Update

We believe our changes have solved this issue, but we're going to continue to monitor this over the weekend. -IF
Posted Aug 08, 2025 - 15:09 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Aug 06, 2025 - 18:26 UTC

Update

We are continuing to work on a fix for this issue.
Posted Jul 30, 2025 - 16:03 UTC

Identified

This issue has been identified and we'll be releasing a fix during tomorrow's maintenance window. -IF
Posted Jul 28, 2025 - 18:49 UTC

Update

We are continuing to investigate this issue.
Posted Jul 25, 2025 - 20:40 UTC

Update

We are continuing to investigate this issue.
Posted Jul 24, 2025 - 15:28 UTC

Investigating

We have had metadata users report that they are receiving intermittent 504 (Gateway time-out) status code errors on calls to OAI-PMH endpoints. We have been able to replicate and are currently investigating. -IF
Posted Jul 23, 2025 - 19:12 UTC
This incident affected: Metadata Plus (Plus OAI-PMH) and APIs (OAI-PMH).