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From Graham Leggett <minf...@sharp.fm>
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 <covener@gmail.com> 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".

Regards,
Graham
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