Re: [Geoserver-users] GetLegendGraphic with geometry filter error

[Mike V. <mi...@ge...>]

Thanks Jody for your answer, I checked the getMap that was working. In that request I added an extra <Filter with the xmlns:ogc. Not it works fine.

The getMap:

https://tutorials.kaartviewer.nl/geoserver/amstelveen/wms?LAYERS=Kunstwerken&VERSION=1.3.0&FORMAT=image%2Fpng&TRANSPARENT=true&request=GetMap&SRS=EPSG%3A28992&CRS=EPSG%3A28992&BBOX=108001.04930720347%2C473138.71038362966%2C121313.31282798856%2C479708.9178973405&service=WMS&WIDTH=3331&HEIGHT=1644&FEATURE_COUNT=50&FILTER=<Filter xmlns:gml="http://www.opengis.net/gml" xmlns:ogc="http://www.opengis.net/ogc"><ogc:Filter><ogc:Intersects><ogc:PropertyName>geom</ogc:PropertyName><gml:Polygon srsName="http://www.opengis.net/gml/srs/epsg.xml%2328992"><gml:exterior><gml:LinearRing><gml:posList>113857 477288 115624 478326 115965 476979 115197 476268 113857 477288</gml:posList></gml:LinearRing></gml:exterior></gml:Polygon></ogc:Intersects></ogc:Filter></Filter>&STYLES=

The Legend:
https://tutorials.kaartviewer.nl/geoserver/amstelveen/ows?service=WMS&version=1.3.0&request=GetLegendGraphic&format=image%2Fpng&width=20&height=20&layer=Kunstwerken&legend_options=countMatched:true;hideEmptyRules:true;forceLabels:on&FILTER=<Filter xmlns:gml="http://www.opengis.net/gml" xmlns:ogc="http://www.opengis.net/ogc"><ogc:Filter><ogc:Intersects><ogc:PropertyName>geom</ogc:PropertyName><gml:Polygon srsName="http://www.opengis.net/gml/srs/epsg.xml%2328992"><gml:exterior><gml:LinearRing><gml:posList>113857 477288 115624 478326 115965 476979 115197 476268 113857 477288</gml:posList></gml:LinearRing></gml:exterior></gml:Polygon></ogc:Intersects></ogc:Filter></Filter>


> On 19 Aug 2024, at 18:06, Jody Garnett <jod...@gm...> wrote:
> 
> You may not be doing anything wrong, it is hard to know yet.
> 
> If you have access to the sever the geoserver logs should show more information than "Rendering process failed. Layers: Kunstwerken" - there should be a stack trace that indicates where the failure occurred in the source code which may provide more of a clue.
> 
> I do not use GetLegendGraphic much and do not have it memorized:
> Q: If you do a GetMap with the same filter if any content is returned by that filter?  I would assume if no features are available an empty image would be returned rather than an error...