I think I have this figured out, but am interested to know if this is
a bug or expected behavior.
So I had Spring add a Cache-Control: max-age=600 header in the
configuration. I was also adding a Cache-Control: private header in
the Java code in a specific place, more or less for testing. I could
see both headers come through on Firefox and Chrome, but mod_cache
refused to obey the private header and would cache that request. I
took out the automatic spring stuff and just added the private header
in my code. My gosh, it worked! Mod_cache would NOT cache that
specific request, exactly what I wanted.
My thought is that two Cache-Control headers were coming through and
mod_cache obeyed one or the other, not both (and it happened to not
obey the private one probably because of the order).
Does this sound feasible? Bug?
On Wed, Oct 5, 2011 at 9:00 AM, Brendon Anderson <brendona@xxxxxxxxx> wrote:
> I am 100% sure. I am adding the header using Java code on Tomcat
> behind Apache. If I remove that particular line from the code, the
> Cache-Control: private header is not being sent.
>
> Java code, if it matters:
> response.addHeader("Cache-Control", "private");
>
> On Wed, Oct 5, 2011 at 8:53 AM, Tom Evans <tevans.uk@xxxxxxxxxxxxxx> wrote:
>> On Wed, Oct 5, 2011 at 2:16 PM, Brendon Anderson <brendona@xxxxxxxxx> wrote:
>>> I am setting the Cache-Control: private header in a response on a
>>> certain url, but mod_cache is still caching this url.
>>>
>>> Response Headers as indicated by Firefox (Chrome reports similar results):
>>>
>>> Response Headers
>>> Date Wed, 05 Oct 2011 12:58:41 GMT
>>> Server Apache/2.2.20 (Win32) mod_jk/1.2.32
>>> Expires Wed, 05 Oct 2011 12:59:25 GMT
>>> Cache-Control private
>>> Content-Language en-US
>>> Content-Length 7046
>>> Age 15
>>> Content-Type text/html;charset=UTF-8
>>> X-Cache MISS from x.y.z.com
>>> Via 1.0 x.y.z.com:80 (squid/2.6.STABLE22)
>>> Proxy-Connection keep-alive
>>>
>>
>> Are you 100% sure that the Cache-Control header is being sent with the
>> content, and it is not being added by the Squid cache that you are
>> also going through?
>>
>> Cheers
>>
>> Tom
>>
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