List of steps to reproduce (step by step, including full links if applicable):
What happens?:
The thumbnails are not created. (The files could be downloaded, though)
Error message, for example in https://upload.wikimedia.org/wikisource/jv/thumb/f/f7/Laksitardjo.pdf/page1-180px-Laksitardjo.pdf.jpg
Unauthorized This server could not verify that you are authorized to access the document you requested.
What should have happened instead?:
Thumbnails should be shown. See also https://jv.wikisource.org/wiki/Index:Laksitardjo.pdf and https://jv.wikisource.org/w/index.php?title=Kaca:Laksitardjo.pdf/1&action=edit&redlink=1, for example, you'll notice the images are missing.
Compare to:
- https://jv.wikisource.org/wiki/Index:Het_boek_Adji_Såkå.pdf
- https://jv.wikisource.org/w/index.php?title=Kaca:Het_boek_Adji_Såkå.pdf/22&action=edit&redlink=1
Files from Commons have no such problem
The source file from en.wp have no such problem
Coincidentally, I submit a similar bug on another newly created wiki years ago: https://phabricator.wikimedia.org/T46872