Dear community, I am using Geoserever 2.20. I also tested with 2.22.
When I try to generate tiles for the layer (cached dynamically) with increased contrast via ContrastEnhancement in the SLD file (attached) I get an NullPointerException in Java Advanced Imaging Library (JAI). The SLD is checked as valid by the Geoserver UI. The exception is: ... ERROR [geowebcache.GeoWebCacheDispatcher] - Request failed org.geowebcache.GeoWebCacheException: Problem communicating with GeoServer at org.geoserver.gwc.layer.GeoServerTileLayer.getMetatilingReponse(GeoServerTileLayer.java:621) ... Caused by: java.lang.NullPointerException at javax.media.jai.PlanarImage.copyData(PlanarImage.java:2344) ... *But: When I try without ContrastEnhancement it is working fine*. Please find the more detailed log attached. Do you have any idea why that is? Best regards Denis Koplin
geoserver.log
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Schummerung.sld
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