[Building Sakai] Sakai 2.6 cache headers and Internet Explorer

Matthew Jones jonespm at umich.edu
Fri Aug 28 06:15:49 PDT 2009


This question was asked/resolved a few days on the saka-user list.
This isn't a sakai specific problem. The problem is that tomcat adds
cache headers to ssl requests. There are some workarounds on the
thread and the bug report. Most common way is to have apache/iis
handle the ssl through a proxy to tomcat, but you can make some urls
insecure or not cached with various tomcat settings.

Thread:
http://collab.sakaiproject.org/pipermail/sakai-user/2009-August/000507.html

Solutions:
https://issues.apache.org/bugzilla/show_bug.cgi?id=27122#c16
http://jira.atlassian.com/browse/JRA-8179

On Fri, Aug 28, 2009 at 9:02 AM, Tom Helmer Hansen<thelmer at ruc.dk> wrote:
> Hi All
>
> Download of ressources are failing in Internet Explorer 7 (and maybe 8 as
> well).
>
> I get the error "The file could not be written to the cache" and it seems to
> be a known problem when combining "Pragma: no-cache" and "Cache-Control:
> no-cache" with https.
>
> Explorer has a setting to where you can prevent files from being saved from
> https sites but it has no effect on this.
>
> How do we solve this ?
>
> Regards, Tom
>
> Deployment details
> --------------------------------
> Java version   1.5.0_17
> Sakai version  2.6.0
> Tomcat version 5.5.27
> Linux kernel:  2.6.26-2-amd64
> --------------------------------
>
>
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