Hello, Trent,
You may be setting the listeners on the wrong object.
Try calling "configureListeners(loader.contentLoaderInfo)" instead of
"configureListeners(loader)".
Regards,
Dmitri.
On Oct 8, 9:41 am, Trent <[EMAIL PROTECTED]> wrote:
> I must have stumbled into the Flash API at the right time as I'm
> trying to use the new TileLayerOverlay functionality with a custom set
> of tiles I made using Arc2Earth and stored on Amazon S3.
>
> I'm having problems trapping the error when my a particular tile (png)
> is requested but does not exist. (The tiles that do exist get loaded
> correctly.) I've tried lots of combinations of try:catch blocks and
> event listeners but I still can't trap loader errors.
>
> I always get the
>
> Error #2044: Unhandled IOErrorEvent:. text=Error #2035: URL Not Found.
>
> error, for each tile call.
>
> For Amazon S3 if you make a url request to a file that doesn't exist
> you get back an xml response. I tried moving my tiles to linux server
> that would report a 404 error, but that didn't help. I also tried
> adding a surogate DisplayObject and returning it on load errors, to no
> success. I also thought about writing a tile reflector page in php/
> python/asp that would return tiles if they exist, but what to return
> if they don't exist?
>
> Below is an excerpt from my class implementation of TileLayerBase. Am
> I missing something?
>
> Thanks in advance for any suggestions.
>
> - Trent
>
> public override function loadTile(tilePos:Point,
> zoom:Number):DisplayObject {
> var loader:Loader = new Loader();
> var tileUrl:String = "http://s3.amazonaws.com/mybucket/subfolder/";
> + zoom + "/" + tilePos.x + "/" + tilePos.y + ".png";
>
> configureListeners(loader);
>
> var request:URLRequest = new URLRequest(tileUrl);
>
> try {
> loader.load(request);
>
> } catch (error:Error) {
> trace( "Failed:", error );
> }
> return loader;
> }
>
> private function ioErrorHandler(event:IOErrorEvent):void {
> trace("ioErrorHandler: " + event);
> }
> private function
> configureListeners(dispatcher:IEventDispatcher):void {
>
> dispatcher.addEventListener(IOErrorEvent.IO_ERROR,
> ioErrorHandler);
> }
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