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RE: Webpage partially downloaded via squid

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Hi Amos, 

Thanks for getting back to me on this.

Interesting that you actually get the entire page in your testing, which is only possible if you initiate a refresh from the browser in our environment.

This is the bit that I don't understand. If you manually refresh the page when using squid it works, however the initial download fails. Do you have any idea why the second attempt, which also goes through the proxy server succeeds?

Here is some more detail on what is happening:

squid logs. Initial request. No refresh:

1256518175.833      2 128.184.148.154 TCP_IMS_HIT/304 334 GET http://www.movebank.org/community/info_icon.gif gerards NONE/- image/gif
1256518176.074   1046 128.184.148.154 TCP_MISS/200 19179 GET http://www.movebank.org/community gerards DIRECT/128.112.89.94 text/html
1256518176.594    519 128.184.148.154 TCP_MISS/404 638 GET http://www.movebank.org/bar_1_10.gif gerards DIRECT/128.112.89.94 text/html

squid log. Refresh from browser:

1256518384.321   1435 128.184.148.154 TCP_MISS/200 25382 GET http://www.movebank.org/community gerards DIRECT/128.112.89.94 text/html
1256518384.367    557 128.184.148.154 TCP_REFRESH_MISS/200 4042 GET http://www.movebank.org/community/IEFixes.css gerards DIRECT/128.112.89.94 text/css
1256518384.367    557 128.184.148.154 TCP_REFRESH_MISS/200 1830 GET http://www.movebank.org/community/plone_minwidth.js gerards DIRECT/128.112.89.94 application/x-javascript
1256518385.720   1911 128.184.148.154 TCP_REFRESH_MISS/200 67129 GET http://www.movebank.org/community/portal_javascripts/Plone%20Tableless/ploneScripts3251.js gerards DIRECT/128.112.89.94 application/x-javascript
1256518386.462    720 128.184.148.154 TCP_REFRESH_MISS/200 681 GET http://www.movebank.org/community/portal_css/Plone%20Tableless/ploneStyles1912.css gerards DIRECT/128.112.89.94 text/css
1256518387.491   1752 128.184.148.154 TCP_REFRESH_MISS/200 77641 GET http://www.movebank.org/community/portal_css/Plone%20Tableless/ploneStyles2899.css gerards DIRECT/128.112.89.94 text/css
1256518388.042    536 128.184.148.154 TCP_REFRESH_MISS/200 681 GET http://www.movebank.org/community/portal_css/Plone%20Tableless/ploneStyles2817.css gerards DIRECT/128.112.89.94 text/css
1256518388.583    538 128.184.148.154 TCP_REFRESH_MISS/200 676 GET http://www.movebank.org/community/portal_css/Plone%20Tableless/ploneStyles4785.css gerards DIRECT/128.112.89.94 text/css
1256518389.155    565 128.184.148.154 TCP_REFRESH_HIT/304 336 GET http://www.movebank.org/community/bar_1_10.gif gerards DIRECT/128.112.89.94 -
1256518389.163    575 128.184.148.154 TCP_REFRESH_HIT/304 336 GET http://www.movebank.org/community/newsitem_icon.gif gerards DIRECT/128.112.89.94 -
1256518389.165    577 128.184.148.154 TCP_REFRESH_HIT/304 336 GET http://www.movebank.org/community/info_icon.gif gerards DIRECT/128.112.89.94 -
1256518389.170    580 128.184.148.154 TCP_REFRESH_HIT/304 336 GET http://www.movebank.org/community/user.gif gerards DIRECT/128.112.89.94 -
1256518389.177    589 128.184.148.154 TCP_REFRESH_HIT/304 336 GET http://www.movebank.org/community/print_icon.gif gerards DIRECT/128.112.89.94 -
1256518389.180    585 128.184.148.154 TCP_REFRESH_HIT/304 336 GET http://www.movebank.org/community/linkTransparent.gif gerards DIRECT/128.112.89.94 -
1256518389.684    528 128.184.148.154 TCP_REFRESH_HIT/304 336 GET http://www.movebank.org/community/bullet.gif gerards DIRECT/128.112.89.94 -
1256518389.700    529 128.184.148.154 TCP_REFRESH_HIT/304 405 GET http://www.movebank.org/community/logo.gif gerards DIRECT/128.112.89.94 -
1256518389.720    541 128.184.148.154 TCP_REFRESH_HIT/304 336 GET http://www.movebank.org/community/input_background.gif gerards DIRECT/128.112

You can see from the above that the first request doesn't get any of the javascript/CSS. The refresh picks this up. This behaviour can be reproduced across all of our squid servers.

The fact that is works on your system, despite the garbage headers etc.. indicates to me that the problem *may* just be with our implementation of squid. Although I have had a pretty good look and there is nothing obvious that would result in the results we are seeing.

Cheers,
Gerard.



I can confirm that.

Duplicate Expires and Content-Language headers, the first ones filled 
with complete garbage.

I do get the full page content though.


squidclient -h www.movebank.org -p 80 -H 'Host: www.movebank.org\n' 
/community


HTTP/1.1 200 OK
Date: Tue, 27 Oct 2009 06:38:19 GMT
Server: Zope/(Zope 2.9.8-final, python 2.4.4, linux2) ZServer/1.1 
Plone/2.5.4-2
Expires: Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, 
Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Ja
n 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 
00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT
, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 
Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000
00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 
GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat,
01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 
2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:0
0 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, 
Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan
2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 
00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT,
Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 
Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00
:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 
GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01
  Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 
00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00
GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 
01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 20
00 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 
00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 
GMT, Sa
t, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 
2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:0
0:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, 
Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 J
an 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 
00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GMT, Sat, 01 Jan 2000 00:00:00 GM
T
Content-Language: en, en, en, en, en, en, en, en, en, en, en, en, en, 
en, en, en, en, en, en, en, en, en, en, en, en, en, en, en, en, en, en, e
n, en, en, en, en, en, en, en, en, en, en, en, en, en, en, en, en, en, 
en, en, en, en, en, en, en, en, en, en, en, en, en, en, en, en, en, en,
en, en
Content-Length: 24931
Expires: Sat, 01 Jan 2000 00:00:00 GMT
Content-Type: text/html;charset=utf-8
Content-Language: en
Connection: close


Amos
-- 
Please be using
   Current Stable Squid 2.7.STABLE7 or 3.0.STABLE19
   Current Beta Squid 3.1.0.14


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