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From Alf Eaton <eaton....@googlemail.com>
Subject Re: [users@httpd] Force caching of responses with no explicit expiry date, where the request contains a query string
Date Sun, 28 Feb 2010 12:33:09 GMT
On 27 February 2010 04:12, Jonathan Zuckerman <j.zuckerman@gmail.com> wrote:
> On Fri, Feb 26, 2010 at 6:39 AM, Alf Eaton <alf@hubmed.org> wrote:
>>
>> This seems to be something that's been around for a while, but I
>> haven't been able to find anything conclusive saying that it's
>> supposed to work this way:
>>
>> I'm using Apache 2.2 as a forward proxy, aiming to cache all responses.
>>
>> I've set CacheDefaultExpire to 86400 (1 day), so any requests that
>> don't have explicit expiry dates should still be cached.
>>
>> In the logs, I'm still seeing the message.
>> "not cached. Reason: Query string present but no explicit expiration time"
>>
>> It seems that if there's a query string in the request, the default
>> expiry date isn't applied, so the response isn't cached.
>>
>> Is there a way to force responses that have no explicit expiry date to
>> be cached, even where the request contains a query string?
>>
>> alf
>>
>> Related:
>> http://markmail.org/thread/sxxi27pqbce33hlu ("mod_cache:
>> CacheDefaultExpire is ignored?")
>> http://markmail.org/thread/yy4feryppagv4lem ("mod_disk_cache problem")
>> http://markmail.org/thread/6jdxhgn63m7sew3z ("mod_cache and query
>> strings")
>>
>
> this might be helpful:
> http://httpd.apache.org/docs/2.2/mod/mod_cache.html#cacheignorequerystring

Thanks, I did try CacheIgnoreQueryString, but it treats all responses
the same regardless of their query string (i.e. requests with
different query strings all get the same cached response). I need to
be able to cache responses with different query strings distinctly -
as if they had query strings and an expiry header.

alf

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