I found Chrome 7 on one of my machines so I tested it. It works correctly. Also my IE8 started working after I bypassed the proxy. So now only my Chrome9 and Safari are misbehaving. Maybe it's a webkit bug and not a brainless appengine user (me) that's causing the problem.
--Steve On Nov 3, 8:28 pm, Steve <unetright.thebas...@xoxy.net> wrote: > Hi, > > I'm afraid maybe my question was not clear. I can send the 304s with > no problem. My trouble is that I cannot get IE8 or Chrome9(dev) to > send the If-None-Match header in the request. > > I've since installed Opera and Safari. Opera, like Firefox, performs > well and sends the If-None-Match. Safari performs like Chrome and IE > and doesn't send it. > > Is there some magical combination of other response headers required > (last modified, cache control, expires??) necessecary to get IE and > Chrome to save the etag and issue conditional requests? > > You mentioned Chrome 6 worked as expected. I'll have to try > installing an older version. I don't have the no-cache or expires > trouble because I'm specifically sending 'Cache-Control: public, must- > revalidate' and removing the expires header. > > Thanks, > Steve > > On Nov 3, 8:16 pm, 风笑雪 <kea...@gmail.com> wrote: > > > > > > > > > Just simply compare Etag and If-None-Match,then send 304 status when > > matching, it works on Chrome 6, Firefox 3.5 and Opera > > 10.5:http://bitbucket.org/keakon/yui/src/tip/yui.py#cl-820 > > > For those browsers which have no affect at all, you can try deploy to > > app server since the dev server always send "Cache-Control: no-cache" > > and "Expires: Fri, 01 Jan 1990 00:00:00 GMT" to prevent cache. > > > ---------- > > keakon > > > On Thu, Nov 4, 2010 at 8:26 AM, Steve <unetright.thebas...@xoxy.net> wrote: > > > Can anyone tell me what the secret is to get Google Chrome (9/dev) or > > > IE8 to send If-None-Match headers? I've gone to a lot of work to > > > organize my application so it sends ETags and short-circuits doing > > > work when an etag matches the "If-None-Match" header. Firefox works > > > beautifully and I send out lots of cheap 304s. But, I'm getting bald > > > spots from ripping my hair out trying to get Chrome or IE to do the > > > same. > > > > Has anybody conquered this before? > > > > Thanks! > > > > Steve > > > > -- > > > You received this message because you are subscribed to the Google Groups > > > "Google App Engine" group. > > > To post to this group, send email to google-appeng...@googlegroups.com. > > > To unsubscribe from this group, send email to > > > google-appengine+unsubscr...@googlegroups.com. > > > For more options, visit this group > > > athttp://groups.google.com/group/google-appengine?hl=en. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appeng...@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.