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HTTP 503 error on action=revert for specific Commons file
Open, Needs TriagePublicBUG REPORT

Description

Steps to replicate the issue (include links if applicable):

What happens?:

Error page:
Request from XX.1XX.XX.XX via cp6009 cp6009, Varnish XID 67503684
Error: 503, Backend fetch failed at Fri, 18 Aug 2023 06:41:07 GMT

What should have happened instead?:

Revert should have been done.

Software version (skip for WMF-hosted wikis like Wikipedia):

Other information (browser name/version, screenshots, etc.):

Happening for some days now.

Event Timeline

Aklapper renamed this task from https://commons.wikimedia.org/w/index.php?title=File:CSD_Berlin_2023_015.webm&action=revert fails for days now to HTTP 503 error on action=revert for specific Commons file.Aug 18 2023, 9:15 AM

If I visit the link in the bug report, the error message I get is "Unexpected value: "oldimage"="".

Oldimage is a needed parameter and obviously hidden in a post parameter. I have changed the URL ins this ticket, but of course the problem remains the same.