Firefox – Map tiles do not show (all pink) in Firefox using OpenLayers and own OSM server

firefoxopenlayersopenstreetmap

I have set my own OSM server for providing map tiles to use in an application. For the application I use OpenLayers and came to an strange issue when ported the code from slippymap to my application. Basically I use the same code, and for local tiles I set up the url of my tile server.

The issue is that when switching to the Local layer I only see the pink layer of the map, but the src attribute of the image tag loads the actual tile. I tried with Firebug to remove the pink layer, but behind it there is no image there! Coping the url from src attribute of the img tag opens the tile as an image.

Tried this to Chrome and the Local layer is working, in IE 7,8,9 too. The problem is only with FF and I suspect something with OpenLayers, but not sure what. The Mapnik layer is working and showing tiles on all browsers. Using HTML5 by the way.

Any ideas or hints are appreciated.

Best Answer

There's another solution that doesn't require adding CORS headers server-side. You need to provide a "tileOptions" option to the layer config, like so:

var layer = new OpenLayers.Layer.OSM("layer name", [urls], {
    "tileOptions": {
        "crossOriginKeyword": null
    }
});

The OpenLayers docs for Layer.OSM and Tile.Image tell you how to do this, but there's no mention of the fact that the default can cause issues in Firefox.

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