CourseArc incident
"503 Service Temporarily Unavailable" Error
CourseArc experienced a critical incident on January 19, 2025 affecting Application, lasting 1d 21h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jan 19, 2025, 06:29 AM UTC
We are investigating a "503 Service Temporarily Unavailable" message that users are seeing.
- monitoring Jan 19, 2025, 07:35 AM UTC
A fix has been implemented and we are closely monitoring.
- monitoring Jan 19, 2025, 09:33 PM UTC
We are seeing "504 Gateway Time-out" errors and are currently investigating.
- monitoring Jan 19, 2025, 09:39 PM UTC
We are continuing to monitor for any further issues.
- investigating Jan 19, 2025, 09:39 PM UTC
We are currently investigating this issue.
- monitoring Jan 19, 2025, 10:06 PM UTC
A fix has been implemented and we are monitoring very closely and making adjustments to ensure reliability going forward.
- investigating Jan 20, 2025, 04:33 PM UTC
Some users are experiencing intermittent 502 errors but they are resolving quickly. Please refresh and try again if you encounter one. We are working on a fix.
- resolved Jan 21, 2025, 03:53 AM UTC
We have addressed the underlying issue causing intermittent errors and this incident has been resolved.