Mantis - Resin
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ID: Category: Severity: Reproducibility: Date Submitted: Last Update:
1460 major always 11-15-06 12:53 11-27-06 14:34
Reporter: ve6eei Platform:  
Assigned To: ferg OS:  
Priority: normal OS Version:  
Status: closed Product Version: 3.0.21  
Product Build: Resolution: fixed  
Projection: none      
ETA: none Fixed in Version: 3.1.0  
Summary: 0001460: IE6 not responding to http 304 message properly
Description: We are running into a problem with ie6 and ie7 not responding properly to http 304 message from Resin Applications. If ie6/7 sends a If-Modified-Since header in a request for a static file like a .gif file the browser will not load the file from it's cache.

SENT:

GET https://itswiki.epsb.ca:443/confluence/images/icons/print_16.gif [^] HTTP/1.1
Accept: */*
Referer: https://itswiki.epsb.ca/confluence/dashboard.action [^]
Accept-Language: en-us
Accept-Encoding: gzip, deflate
If-Modified-Since: Fri, 01 Aug 2003 07:46:10 GMT
If-None-Match: "4oe9phDSl61"
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
Host: itswiki.epsb.ca
Connection: Keep-Alive
Cookie: JSESSIONID=abcAnPjeoInbF_4onoT7q


RESPONSE:

HTTP/1.1 304 Not Modified
Connection: close
Date: Wed, 15 Nov 2006 20:06:49 GMT
Server: Microsoft-IIS/6.0
ETag: "4oe9phDSl61"
Content-length: 0
X-Transfer-Encoding: chunked
Content-length: 0

Is there a way to have resin not respond to If-Modified-Since headers?

This is happening on all of our servers, production and development.

This problem doesn't exist under Fire Fox, and if I proxy the IE6 thru WebScarab to see what is happening the problem goes away.

Thanks,

Evan
Steps To Reproduce:
Additional Information: The web servers are Windows 2003 Enterprise. IIS6 and Resin Pro 3.0.21
Relationships
Attached Files:

Notes
(0001587)
ve6eei   
11-15-06 14:59   
I just found that if you set IE6 to use http 1.0 instead of Http 1.1 the problem goes away as well. The only thing I can see different is HTTP 1.0 doesn't support chunked encoding. I can't tell is the problem is a bad header from the server, or a cache bug in IE.

--Evan
(0001588)
ve6eei   
11-16-06 09:33   
I've narrowed it down some more. IE6/7 doesn't seem to like the Chunked Encoding along with the HTTP 304. I stepped back to V3.0.14 which doesn't respond with Chunked Encoding, and is well. So for now I will have to back rev to V3.0.14 until there is a work around for this problem.

--Evan
(0001589)
ve6eei   
11-16-06 09:38   
Here is an example of one that is working.

SENT:

GET https://itswiki.epsb.ca:443/confluence/images/border/border_bottom.gif [^] HTTP/1.1
Accept: */*
Referer: https://itswiki.epsb.ca/confluence/homepage.action [^]
Accept-Language: en-us
Accept-Encoding: gzip, deflate
If-Modified-Since: Wed, 28 May 2003 08:12:24 GMT
If-None-Match: "917MTWheLTd"
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
Host: itswiki.epsb.ca
Connection: Keep-Alive
Cookie: JSESSIONID=aeSEyh6P7g-4KCQ1X7

RESPONSE:
HTTP/1.1 304 Not Modified
Connection: close
Date: Thu, 16 Nov 2006 17:36:09 GMT
Server: Microsoft-IIS/6.0
ETag: "917MTWheLTd"
Content-length: 0