This is a mistake / problem that cost me at least 3 years.
I have complex, dynamic pages in ASP.NET that use a lot of javascript (more or less static).
Now I have a behavior that only happens in Firefox, and then only every 10,000 requests.
Users play on my site, so they click the same page again and again every day. And then the game is blocked with javascript errors on the page. I could never find out what exactly is happening. Is the file corrupt? Shift-F5 or a simple reboot does not help. If the user clears his cache, the problem has disappeared.
This has been reported hundreds of times. Every time the user was a Firefox user, every time the cache was cleared, the problem was fixed.
I cannot nail a mistake, because I cannot reproduce it. There are many reports that Firefox caches files that it should not cache. But it doesn't seem to be a problem in my case. Something else is happening.
Has anyone understood what is happening?
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