Rossko thank you very much for the reply, this makes alot of sense.
Would you be able to suggest a script I can use to randomly call on
the KML?
here's a line from the script that I use now to pull in the KML:
var gx = new GGeoXml("http://charitywater.org/projects/map/kml/
car.kml");
so it's getting car.kml and that's what's getting cached in Google's
server.
On 2 May, 06:56, Rossko <[email protected]> wrote:
> > randomly, a few days will go by and the placemarks will disappear. I
> > have not touched the file, or taken it off the server. I've checked
> > the link- it's not broken. It just stops referencing it and gives me a
> > blank map sometimes. The only thing that fixes it is making another
> > KML, naming it a different name, and linking to that instead.
>
> It's only a guess, but based on your 'cure' being effective ...
>
> When GGeoXml is used to display KML, it gets parsed at Google'
> servers. Google accesses your KML directly, your KML gets cached at
> Google. So, if perhaps your server is bit busy sometimes or slow to
> respond, Google might get a truncated or broken copy of your KML in
> its cache, which of course won't display. How long the cache lasts
> is not clear, some hours at least. Changing the filename would
> immediately get round the cache.
>
> If that is whats happening, what to do about it is trickier.
> You might use one of the client-side KML parsers (GeoXml,EGeoXml),
> thus avoiding Google's cache altogether. This would mean yet another
> script to load and process on your webpage, but as it is a small/
> simple KML that might be acceptable.
> Or, a simpler way, you might add a cache-busting random number to your
> GGeoXml URL request to circumvent the cache. You'd lose the speed
> benefit of the cache too, but again this may be acceptable.
>
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