Hi there,
I've updated one of our GeoServes from version 2.22.2 to latest stable
2.25.1. When requesting SLD-styled maps via WMS I'm getting this OWS
exception:
Error rendering layer mga.bl: Trying to evaluate the function as Object
but the method parameter is set as COLOR
I guess, it's about the Interpolate function, which we use to vary line
colors depending on wms_scale_denominator:
<Fill>
<CssParameter name="fill">
<ogc:Function name="Interpolate">
<ogc:Function name="env">
<ogc:Literal>wms_scale_denominator</ogc:Literal>
</ogc:Function>
<ogc:Literal>2132</ogc:Literal>
<ogc:Literal>#202020</ogc:Literal>
<ogc:Literal>17471320</ogc:Literal>
<ogc:Literal>#404040</ogc:Literal>
<ogc:Literal>color</ogc:Literal>
</ogc:Function>
</CssParameter>
</Fill>
There's no longer any error after removing that function from SLDs.
The styles have not been changed. These used to work well with the
2.22.2 version.
I haven't found any breaking changes in the documentation for filter
function Interpolate. Actually, my SLD seems quite identical to what the
documentation shows:
https://docs.geoserver.org/main/en/user/styling/sld/tipstricks/transformation-func.html#id2
Any help and ideas are very appreciated.
Cheers
Carsten
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