Good Day List, Currently having an issue making a request to Geoserver using the Transparent argument. I currently have a list of image mosaic raster layers which are all generated the same way and added to geoserver the same way but yet only one works with 'transparent=true.'
So that was convoluted. Anyway, make a WMS request and I get back an image. Example: http://localhost:8080/geoserver/ENV-792B/wms?service=WMS&version=1.1.0&request=GetMap&layers=ENV-792B:300mb_For_Guppy&styles=&bbox=47.968125,23.989358857500005,64.968125,39.989358297500004&width=512&height=481&srs=EPSG:4326&format=image%2Fpng Works Great, everybody happy. Now I make a the same request with &transparent=true at the end and boom: java hates me and kicks me in the balls (Short copy below and GeoserverError.txt attached is the full request and error): > Error: One factory fails for the operation "Mosaic" > Occurs in: org.geoserver.jai.ConcurrentOperationRegistry > java.lang.reflect.InvocationTargetException > at sun.reflect.GeneratedMethodAccessor124.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > …….. > Caused by: java.lang.IllegalArgumentException: Alpha images must be > single-banded. > at com.sun.media.jai.opimage.MosaicOpImage.<init>(MosaicOpImage.java:234) > at com.sun.media.jai.opimage.MosaicRIF.create(MosaicRIF.java:47) > ... 87 more > 22 Apr 16:02:22 ERROR [geoserver.ows] - > java.lang.RuntimeException: - Unable to render RenderedOp for this operation. Hmmm, unfortunate. Well for grins I was messing around testing and tried http://localhost:8080/geoserver/ENV-792B/wms?service=WMS&version=1.1.0&request=GetMap&layers=ENV-792B:300mb_For_Guppy,ENV-792B:300mb_For_Guppy&styles=&bbox=47.968125,23.989358857500005,64.968125,39.989358297500004&width=512&height=481&srs=EPSG:4326&format=image%2Fpng&transparent=true which is the same request just with the exact same layer twice and it works. Transparency works. Everyone is happy. I am using the default raster SLD that ships with geoserver but for grins I have gone through and changed it slightly to use use an opacity of 0.99 and no difference. I'm at a complete loss. Please tell me I'm doing something stupid and this is an easy fix. Thank you for your time. -- Chris Gervais
GeoserverError.txt
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