| Addshore added a comment. |
Looking at the request URLs this seems to be users requesting invalid language codes, and the code makes it all the way into the cache key, that is then invalid as it contains bad chars.
Example:
https://www.wikidata.org/wiki/Q101971?uselang=%E2%A7%BClang%E2%A7%BD
Each single hit on a page like that results in multiple log messages.
I wonder why we bother formating entity ids for invalid languages
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To: Addshore
Cc: Addshore, WMDE-leszek, Aklapper, Krinkle, Lahi, Gq86, GoranSMilovanovic, QZanden, LawExplorer, Wikidata-bugs, aude, Jdforrester-WMF, Mbch331, Jay8g, Krenair
Cc: Addshore, WMDE-leszek, Aklapper, Krinkle, Lahi, Gq86, GoranSMilovanovic, QZanden, LawExplorer, Wikidata-bugs, aude, Jdforrester-WMF, Mbch331, Jay8g, Krenair
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