On Wed, Dec 23, 2015 at 12:00 AM, Bessette-Halsema, Dominique E <
Dominique.Bessette@anonymised.com> wrote:
I have a feature with the attached style. I don’t see any problems until
I try to export the feature to google earth. Then I see the following
errors in geoserver. I debugged the issue and it turns out I don’t have a
Label tag under the TextSymbolizer element in the SLD. The documentation
states the Label element isn’t required.
This is a surprise to me, but checking the SLD schema, you are right, the
Label element is indeed optional.
Is that not the case in google earth?
I think you already answered yourself, no? 
From the code:
org.geoserver.kml.decorator.PlacemarkNameDecoratorFactory.java:64 calls
org.geotools.styling.SLD line 1171 which returns a null:
Symbolizer = <TextSymbolizerImp property=posit_geom label=null>null
From the logs:
22:28:57,754 ERROR [org.geoserver.ows] (http-/0.0.0.0:8443-6) :
java.lang.NullPointerException
at
org.geoserver.kml.decorator.PlacemarkNameDecoratorFactory$PlacemarkNameDecorator.decorate(PlacemarkNameDecoratorFactory.java:64)
[gs-kml-2.7.2.jar:2.7.2]
at
org.geoserver.kml.sequence.FeatureSequenceFactory$FeatureGenerator.next(FeatureSequenceFactory.java:121)
[gs-kml-2.7.2.jar:2.7.2]
at
org.geoserver.kml.sequence.FeatureSequenceFactory$FeatureGenerator.next(FeatureSequenceFactory.java:80)
[gs-kml-2.7.2.jar:2.7.2]
at
org.geoserver.kml.sequence.SequenceList$GeneratorIterator.<init>(SequenceList.java:29)
[gs-kml-2.7.2.jar:2.7.2]
at
org.geoserver.kml.sequence.SequenceList.iterator(SequenceList.java:63)
[gs-kml-2.7.2.jar:2.7.2]
geoserver url from google earth:
http://localhost/geoserver/wms?crs=CRS:84&time=2015-12-24T00:00:00.000Z&height=1024&bbox=-163.2354539790473,15.57941628804031,-147.6617927872543,27.65836991454673&layers=tracks:pimTrack-indicator5&width=1024&request=GetMap&service=WMS&styles=&format_options=SUPEROVERLAY:false;KMPLACEMARK:false;KMSCORE:40;KMATTR:true;&format=application/vnd.google-earth.kmz&transparent=false&version=1.3.0
Yep, makes sense, the code is not accounting for a missing label element,
only for an empty one.
Feel free to submit a bug report here:
https://osgeo-org.atlassian.net/projects/GEOS/summary
If you have programming skills a pull request fixing this, with a test,
against the master branch, would be much appreciated:
https://github.com/geoserver/geoserver/blob/master/CONTRIBUTING.md
Cheers
Andrea
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