Thanks for the prompt reply!
I don't quite understand what you meant by server not supporting it.
It is running against central GAE server, not my local development
server.
As for the date format, This is the dump of the HTTP header through a
network sniffer as follow.. It seems to be conforming to HTTP spec. Do
you see anything wrong?
GET /ClientBin/oob.xap HTTP/1.1
If-Modified-Since: Tue, 16 Mar 2010 00:28:17 GMT
User-Agent: Silverlight
Thanks,
On Mar 15, 2:22 pm, Alkis Evlogimenos ('Αλκης Ευλογημένος)
<[email protected]> wrote:
> If-Modified-Since works in GAE. Either the server you are hitting does not
> support it, or you are sending it a timestamp it doesn't understand.
>
> - alkis
>
>
>
> On Mon, Mar 15, 2010 at 6:28 PM, JC <[email protected]> wrote:
> > GAE 1.3.1 for Java includes a fix (issue 575) to support conditional
> > get for static files. I have tried sending If-Modified-Since Get
> > header to retrieve a static file from GAE, It always returns 200 (with
> > full payload) instead of 304 (unmodified) even though the static file
> > hasn't been changed for a while. I have cleared my browser cache so
> > that the timestamp in the If-Modified-Since is current timestamp. It
> > doesn't seem to work. Has anyone used If-Modified-Since on 1.3.1 with
> > success?
>
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