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In the last month we had on 2 different sites the problem where W3 total cache has cached an error message.
What happened:
– For some reason the site has a problem for a few seconds (maybe database or some other error)
– W3 total puts the error page in cache (disk based enhanced)
– A few seconds later the problem is resolved and the site works fine, however nobody can visit the site because W3 total cache serves the error from cache.
Has something changed with w3 total cache in recent updates? Does it not recognise WordPress error messages anymore?