[Zope] Caching prob with headers or reverse proxy?

[Germer, Carsten]

Hi there,

I have set up an Apache as reverse proxy and it works fine so far.
The actual problem is that I only get "image"s to cache, no pagelike
items...

Now I have tail -f on both the zope.log and the apache.log and access things
with lynx -mime_header [-reload] to check the header and caching ability.

If I load an item of type "image" a few times I get this header
  HTTP/1.1 200 OK
  Date: Thu, 17 Apr 2003 13:29:03 GMT
  Server: Zope/(Zope 2.6.1 (source release, python 2.1, linux2), python
2.2.2, linux2) ZServer/1.1b1
  Last-Modified: Thu, 17 Apr 2003 13:07:21 GMT
  Content-Length: 3686456
  Accept-Ranges: bytes
  Content-Type: image/bmp
  Via: 1.1 wof1.desy.de (Apache/1.3.27)
  Age: 1237
  X-Cache: HIT from wof1.desy.de
  Connection: close

Voila! Delivered from my caching apache as I can also tell from the logs.
Apache has a 200 and full content length and zope has no hit in the log at
all.

Now I try the same with a page template and I always get it fully delivered
from zope. Bummer.
  HTTP/1.1 200 OK
  Date: Thu, 17 Apr 2003 13:31:17 GMT
  Server: Zope/(Zope 2.6.1 (source release, python 2.1, linux2), python
2.2.2, linux2) ZServer/1.1b1
  Content-Length: 298
  Etag:
  Content-Type: text/html
  Via: 1.1 wof1.desy.de (Apache/1.3.27)
  X-Cache: MISS from wof1.desy.de
  Connection: close

Ok, I haven't used a cache-manager yet, so I drop an "Accelerated HTTP cache
manager" in the folder and associate the page with it.
After a few loads I _still_ have every load in the zope.log with full 200
and content length. Allthough the header _seems_ to be correctly set now, I
still have a MISS:
  HTTP/1.1 200 OK
  Date: Thu, 17 Apr 2003 13:33:44 GMT
  Server: Zope/(Zope 2.6.1 (source release, python 2.1, linux2), python
2.2.2, linux2) ZServer/1.1b1
  Content-Length: 298
  Etag:
  Cache-Control: max-age=3600000
  Expires: Thu, 29 May 2003 05:33:44 GMT
  Content-Type: text/html
  Via: 1.1 wof1.desy.de (Apache/1.3.27)
  X-Cache: MISS from wof1.desy.de
  Connection: close

Anyone any idea, hint or experience to share for this problem?

Nice holidays everyone :) /Gem


-- 
Carsten Germer, Weboffice    Tel.: +49 (0) 40 8998 1661
DESY                         Email: carsten.germer@desy.de
Notkestr. 85                 WWW: http://www.desy.de/
D-22607 Hamburg                   http://www.germer.org/

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