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From Graham Leggett <>
Subject Re: issue with "uncacheable" cache revalidations
Date Tue, 01 Dec 2015 17:15:07 GMT
On 1 Dec 2015, at 15:50, Eric Covener <> wrote:

> I've been looking at an issue where a revalidation
> of a stale cache entry fails because the 304 response
> on the revalidation doesn't contain its own CC or Expires
> but the URL has a query string.  This kicks the revalidation
> response out of the cache save filter early and we never
> get to look at the stale handle and update the headers.

As I recall there is a specific code path for responses that say "we've asked for revalidation,
revalidation was successful but not cacheable. Return cached data but invalidate it, it is
the best we can do".


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