[Geoserver-users] KML w/ dynamic SLD

Billy Newman Thu, 26 Oct 2017 13:27:55 -0700

I am having problems styling a KML network link via an external SLD.

Running v2.12.0


The network link that is generated looks like this:
service=wms&request=GetMap&version=1.1.1&format=application/vnd.google-earth.kml+xml&layers=mylayer&styles=generic&height=2048&width=2048&transparent=false&srs=EPSG:4326&format_options=AUTOFIT:true;KMATTR:true;KMPLACEMARK:false;KMSCORE:40;MODE:refresh;SUPEROVERLAY:false&sld=http://localhost/sld
 <http://localhost/sld>

The SLD returned from that url:
<?xml version="1.0"?>
<StyledLayerDescriptor xmlns="http://www.opengis.net/sld"; 
xmlns:ogc="http://www.opengis.net/ogc"; 
xmlns:xlink="http://www.w3.org/1999/xlink"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; version="1.0.0" 
xsi:schemaLocation="http://www.opengis.net/sld StyledLayerDescriptor.xsd">
  <NamedLayer>
    <Name>mylayer</Name>
    <UserStyle>
      <Title>Hello</Title>
      <FeatureTypeStyle>
        <Rule>
          <PointSymbolizer>
            <Graphic>
              <ExternalGraphic>
                <OnlineResource xlink:type="simple" 
xlink:href="http://maps.google.com/mapfiles/kml/pal3/icon55.png"/>
                <Format>image/png</Format>
              </ExternalGraphic>
            </Graphic>
          </PointSymbolizer>
        </Rule>
      </FeatureTypeStyle>
    </UserStyle>
  </NamedLayer>
</StyledLayerDescriptor>


I get this exception:
26 Oct 14:03:29 ERROR [geoserver.ows] - 
org.geoserver.platform.ServiceException: 
javax.xml.transform.TransformerException: 
javax.xml.transform.TransformerException: java.lang.NullPointerException
        at org.geoserver.kml.KMLEncoder.encode(KMLEncoder.java:55)
        at org.geoserver.kml.KMLMapResponse.write(KMLMapResponse.java:65)
        at org.geoserver.ows.Dispatcher.response(Dispatcher.java:1009)
        at 
org.geoserver.ows.Dispatcher.handleRequestInternal(Dispatcher.java:272)
        at 
org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:174)
        at 
org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:50)
        at 
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963)
        at 
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)
        at 
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
        at 
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
        at 
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
        at 
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:808)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
        at 
org.geoserver.filters.ThreadLocalsCleanupFilter.doFilter(ThreadLocalsCleanupFilter.java:28)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at 
org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:75)
        at 
org.geoserver.wms.animate.AnimatorFilter.doFilter(AnimatorFilter.java:71)
        at 
org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:71)
        at 
org.geoserver.filters.SpringDelegatingFilter.doFilter(SpringDelegatingFilter.java:46)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at 
org.geoserver.platform.AdvancedDispatchFilter.doFilter(AdvancedDispatchFilter.java:50)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:316)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
        at 
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:126)
        at 
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:90)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
        at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
        at 
org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:114)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
        at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
        at 
org.geoserver.security.filter.GeoServerAnonymousAuthenticationFilter.doFilter(GeoServerAnonymousAuthenticationFilter.java:54)
        at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
        at 
org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilterInternal(BasicAuthenticationFilter.java:158)
        at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
        at 
org.geoserver.security.filter.GeoServerBasicAuthenticationFilter.doFilter(GeoServerBasicAuthenticationFilter.java:84)
        at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
        at 
org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:91)
        at 
org.geoserver.security.filter.GeoServerSecurityContextPersistenceFilter$1.doFilter(GeoServerSecurityContextPersistenceFilter.java:53)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
        at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
        at 
org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:213)
        at 
org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:176)
        at 
org.geoserver.security.GeoServerSecurityFilterChainProxy.doFilter(GeoServerSecurityFilterChainProxy.java:152)
        at 
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
        at 
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at org.geoserver.filters.LoggingFilter.doFilter(LoggingFilter.java:88)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at 
org.geoserver.filters.XFrameOptionsFilter.doFilter(XFrameOptionsFilter.java:89)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at org.geoserver.filters.GZIPFilter.doFilter(GZIPFilter.java:42)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at 
org.geoserver.filters.SessionDebugFilter.doFilter(SessionDebugFilter.java:48)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at 
org.geoserver.filters.FlushSafeFilter.doFilter(FlushSafeFilter.java:44)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at 
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
        at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
        at 
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)
        at 
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.Server.handle(Server.java:499)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
        at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
        at 
org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
        at java.lang.Thread.run(Thread.java:745)
Caused by: javax.xml.transform.TransformerException: 
javax.xml.transform.TransformerException: java.lang.NullPointerException
        at 
com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:749)
        at 
com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:351)
        at org.geoserver.kml.KMLEncoder.encode(KMLEncoder.java:52)
        ... 88 more
Caused by: javax.xml.transform.TransformerException: 
java.lang.NullPointerException
        at 
com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.getDOM(TransformerImpl.java:578)
        at 
com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:739)
        ... 90 more
Caused by: java.lang.NullPointerException
        at 
org.geoserver.kml.decorator.PlacemarkStyleDecoratorFactory$PlacemarkStyleDecorator.setLiveIconStyle(PlacemarkStyleDecoratorFactory.java:265)
        at 
org.geoserver.kml.decorator.PlacemarkStyleDecoratorFactory$PlacemarkStyleDecorator.setIconStyle(PlacemarkStyleDecoratorFactory.java:206)
        at 
org.geoserver.kml.decorator.PlacemarkStyleDecoratorFactory$PlacemarkStyleDecorator.decorate(PlacemarkStyleDecoratorFactory.java:104)
        at 
org.geoserver.kml.sequence.FeatureSequenceFactory$FeatureGenerator.next(FeatureSequenceFactory.java:137)
        at 
org.geoserver.kml.sequence.FeatureSequenceFactory$FeatureGenerator.next(FeatureSequenceFactory.java:96)
        at 
org.geoserver.kml.sequence.SequenceList$GeneratorIterator.<init>(SequenceList.java:29)
        at 
org.geoserver.kml.sequence.SequenceList.iterator(SequenceList.java:63)
        at 
com.sun.xml.internal.bind.v2.runtime.reflect.Lister$CollectionLister.iterator(Lister.java:266)
        at 
com.sun.xml.internal.bind.v2.runtime.reflect.Lister$CollectionLister.iterator(Lister.java:253)
        at 
com.sun.xml.internal.bind.v2.runtime.property.ArrayReferenceNodeProperty.serializeListBody(ArrayReferenceNodeProperty.java:88)
        at 
com.sun.xml.internal.bind.v2.runtime.property.ArrayERProperty.serializeBody(ArrayERProperty.java:144)
        at 
com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.serializeBody(ClassBeanInfoImpl.java:345)
        at 
com.sun.xml.internal.bind.v2.runtime.XMLSerializer.childAsSoleContent(XMLSerializer.java:578)
        at 
com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.serializeRoot(ClassBeanInfoImpl.java:326)
        at 
com.sun.xml.internal.bind.v2.runtime.property.ArrayReferenceNodeProperty.serializeListBody(ArrayReferenceNodeProperty.java:103)
        at 
com.sun.xml.internal.bind.v2.runtime.property.ArrayERProperty.serializeBody(ArrayERProperty.java:144)
        at 
com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.serializeBody(ClassBeanInfoImpl.java:345)
        at 
com.sun.xml.internal.bind.v2.runtime.XMLSerializer.childAsSoleContent(XMLSerializer.java:578)
        at 
com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.serializeRoot(ClassBeanInfoImpl.java:326)
        at 
com.sun.xml.internal.bind.v2.runtime.property.SingleReferenceNodeProperty.serializeBody(SingleReferenceNodeProperty.java:100)
        at 
com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.serializeBody(ClassBeanInfoImpl.java:345)
        at 
com.sun.xml.internal.bind.v2.runtime.XMLSerializer.childAsSoleContent(XMLSerializer.java:578)
        at 
com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.serializeRoot(ClassBeanInfoImpl.java:326)
        at 
com.sun.xml.internal.bind.v2.runtime.XMLSerializer.childAsRoot(XMLSerializer.java:479)
        at 
com.sun.xml.internal.bind.v2.runtime.MarshallerImpl.write(MarshallerImpl.java:308)
        at 
com.sun.xml.internal.bind.v2.runtime.MarshallerImpl.marshal(MarshallerImpl.java:236)
        at 
javax.xml.bind.helpers.AbstractMarshallerImpl.marshal(AbstractMarshallerImpl.java:123)
        at javax.xml.bind.util.JAXBSource$1.parse(JAXBSource.java:244)
        at javax.xml.bind.util.JAXBSource$1.parse(JAXBSource.java:232)
        at 
com.sun.org.apache.xalan.internal.xsltc.dom.XSLTCDTMManager.getDTM(XSLTCDTMManager.java:421)
        at 
com.sun.org.apache.xalan.internal.xsltc.dom.XSLTCDTMManager.getDTM(XSLTCDTMManager.java:215)
        at 
com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.getDOM(TransformerImpl.java:556)
        ... 91 more


Full disclosure, I know that an external SLD works in a standard WMS request, 
but I have never tried this in a KML network link.  Should this work?  If so 
any ideas on what I might be doing wrong?

Thanks,
Billy

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[Geoserver-users] KML w/ dynamic SLD

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