[Using Sakai] Internet Explorer Downloading files problem

[Matthew Jones]

There are known issues with IE and certain values in headers (
http://support.microsoft.com/kb/316431) specifically those that alter
caching. Sakai doesn't add these, but some firewalls/load balancers may. I
would verify whether or not you're having the problem with the 2.5 QA server
and see what headers your server is returning for those resources causing a
problem.

I tested with IE 7 on Vista on the QA server and didn't have any problems
uploading/downloading resources.

http://qa5-us.sakaiproject.org/

For instance, this public resource I created on this server shows the
following headers. According to the support bulletin, problematic ones are
"Pragma: no-cache & Cache-control: no-cache,max-age=0,must-revalidate"

curl -I -k "
http://qa5-us.sakaiproject.org/access/content/user/test/TESTDOC.doc"


HTTP/1.1 200 OK
Date: Mon, 24 Aug 2009 16:05:31 GMT
Server: Apache/2.2.8 (Ubuntu) mod_jk/1.2.25 PHP/5.2.4-2ubuntu5.6 with
Suhosin-Patch
Set-Cookie: JSESSIONID=28572a42-3ef3-40a8-8367-5d5f577b7caa.tartar; Path=/
Content-Disposition: attachment; filename="TESTDOC.doc"
Accept-Ranges: none
Content-Length: 22016
Content-Type: application/msword

On Mon, Aug 24, 2009 at 11:45 AM, Laura McCord <mccordl at southwestern.edu>wrote:

> I don't think it's the name of the file because it doesn't have any
> special characters or spaces; WoodwardCellBioF09Lec1.ppt
>
> Thanks,
> Laura
>
>
>
> Kevin Longo wrote:
> > Hi Laura,
> >
> > We’ve seen this in IE when the file users are trying to download files
> > with spaces or special characters (such as a period or a pound sign)
> > in the filename.  Because we have so many users and they’re all using
> > different browsers, office suites, and operating systems, we’ve been
> > training users not to upload files that contain anything but alpha
> > and/or numeric values.  So, instead of uploading “John’s Journal
> > #1.doc”, the user would upload “JohnsJournal1.doc”.  This has
> > alleviated many of our issues related to resources.
> >
> > Regards,
> > -Kevin
> >
> >
> >
> > Kevin Longo
> > RINET Systems Analyst
> > 646 Camp Avenue
> > North Kingstown, RI 02852
> > (401) 295-9200
> > kevin at staff.ri.net
> >
> >
> > On 8/24/09 11:23 AM, "Laura McCord" <mccordl at southwestern.edu> wrote:
> >
> >     We are running a Sakai 2.5.4 and when we try to download a
> >     resource from
> >     Internet Explorer 7 or version 8 we get an error stating, "Explorer
> >     cannot download the requested file.  Site is unavailable.  Try again
> >     later.". Downloading works perfectly fine from Firefox.
> >
> >     Any suggestions on how to get this fixed?
> >
> >     Thanks,
> >      Laura
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