Debugging experience
VerifiedAn outdated User-Agent caused vendor PDF requests to return 502s.
- Failed attempt
- Increasing the request timeout did not change the failure.
- Intervention
- Updated the request header for the vendor endpoint.
- Evidence
- Controlled request, merged PR, passing CI, and production recovery.
- Applies when
- Debugging 502s from this vendor, endpoint, or service.
When the symptom returns, a future agent sees the verified cause and the failed timeout path before repeating the investigation.