how to handle an openlayers tileloaderror Failed to load resource 404?

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The 404 still propagates to the console. Here is the console output plus the response from Geoserver that produces the 404. I tried to fix Geoserver layer with no luck either.

Failed to load resource: the server responded with a status of 404 (Not Found) Coverage [minx,miny,maxx,maxy] is [71508, 85624, 71511, 85627, 17], index [x,y,z] is [71512, 85626, 17]

Thanks for the tip I did not think of that. I will give it a go and if it works I will post my code :) – mdiener Jul 2, 2018 at 7:14

By manually adding the extent property to your ol.layer.tile layer upon creation in openlayers 3.x 4.x The extent property will NOT try to load tiles outside of this extent and therefor suppress a 400 or 404 repsonse from Geoserver. My data is in this case in EPSG:3857 and therefor so is my extent. Extent is defined as [minx, miny, maxx, maxy]

var tmp_lyr = new ol.layer.Tile({
        source: source_xyz,
        extent: [1826159,6142088, 1826967, 6142874],
        visible: is_visible,
        name: name,
        floor_num: floor,
        type: 'floor',
        zIndex: zIndex,
        crossOrigin: "anonymous"
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