[Geoserver-devel] [JIRA] (GEOS-8588) Style with Interpolate function causes NullPointerException on GetLegendGraphic

Gnafu (JIRA) Thu, 15 Feb 2018 18:56:11 -0800

Title: Message Title

Gnafu created an issue

Issue Type:	Bug
Affects Versions:	2.13-beta
Assignee:	Unassigned
Components:	WMS
Created:	15/Feb/18 10:19 AM
Priority:	Medium
Reporter:	Gnafu

I'm using the Interpolate function to pick a color based on a feature property.
The style works as expected but the GetLegendGraphic requests fail with a NullPointerException.

Here is how to reproduce:

From the default GeoServer data dir, duplicate the "poly_landmarks" style
Delete row 44 (PolygonSymbolizer-> Fill -> CssParameter -> ogc:Literal)

Paste the following in row 44:

 
                                                                                        <ogc:Function name="Interpolate">
                  <!-- Property to transform -->
                  <ogc:PropertyName>LAND</ogc:PropertyName>
                  <!-- Mapping curve definition pairs (input, output) -->
                  <ogc:Literal>0</ogc:Literal>
                  <ogc:Literal>#ff0000</ogc:Literal>


                  <ogc:Literal>255</ogc:Literal>
                  <ogc:Literal>#ffff00</ogc:Literal>

                  <!-- Interpolation method -->
                  <ogc:Literal>color</ogc:Literal>

                  <!-- Interpolation mode - defaults to linear -->
                </ogc:Function>
 
                                                                    

Save and assign it to the tiger:poly_landmarks layer
Issue a GetLegendGraphic request for that layer with the new style:
http://localhost:8080/geoserver/ows?service=WMS&request=GetLegendGraphic&format=image%2Fpng&height=12&width=12&layer=tiger:poly_landmarks&style=test_intrepolate&version=1.3.0&SLD_VERSION=1.1.0&LEGEND_OPTIONS=forceLabels%3Aon%3BfontSize%3A10&SCALE=4514

The result is :

 
                                                                <ServiceException>java.lang.NullPointerException</ServiceException>

With the following log:

 
                                                                15 feb 10:19:11 ERROR [org.geoserver.ows] -
java.lang.NullPointerException
        at org.geotools.filter.function.InterpolateFunction.evaluate(InterpolateFunction.java:247)
        at org.geotools.renderer.style.SLDStyleFactory.evalToColor(SLDStyleFactory.java:1797)
        at org.geotools.renderer.style.SLDStyleFactory.getPaint(SLDStyleFactory.java:1142)
        at org.geotools.renderer.style.SLDStyleFactory.setPolygonStyleFill(SLDStyleFactory.java:486)
        at org.geotools.renderer.style.SLDStyleFactory.createPolygonStyle(SLDStyleFactory.java:441)
        at org.geotools.renderer.style.SLDStyleFactory.createStyleInternal(SLDStyleFactory.java:380)
        at org.geotools.renderer.style.SLDStyleFactory.createStyle(SLDStyleFactory.java:333)
        at org.geoserver.wms.legendgraphic.BufferedImageLegendGraphicBuilder.buildLegendGraphic(BufferedImageLegendGraphicBuilder.java:415)
        at org.geoserver.wms.legendgraphic.PNGLegendOutputFormat.produceLegendGraphic(PNGLegendOutputFormat.java:41)
        at org.geoserver.wms.legendgraphic.PNGLegendOutputFormat.produceLegendGraphic(PNGLegendOutputFormat.java:22)
        at org.geoserver.wms.GetLegendGraphic.run(GetLegendGraphic.java:49)
        at org.geoserver.wms.DefaultWebMapService.getLegendGraphic(DefaultWebMapService.java:349)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
        at org.geoserver.kml.WebMapServiceKmlInterceptor.invoke(WebMapServiceKmlInterceptor.java:38)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
        at org.geoserver.ows.util.RequestObjectLogger.invoke(RequestObjectLogger.java:55)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213)
        at com.sun.proxy.$Proxy118.getLegendGraphic(Unknown Source)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.geoserver.ows.Dispatcher.execute(Dispatcher.java:867)
        at org.geoserver.ows.Dispatcher.handleRequestInternal(Dispatcher.java:270)
        at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:174)
        at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:50)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:808)
        at org.eclipse.jetty.servlet.ServletHandler$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$Chain.doFilter(SpringDelegatingFilter.java:71)
        at org.geoserver.monitor.MonitorFilter.doFilter(MonitorFilter.java:144)
        at org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:71)
        at org.geoserver.flow.controller.IpBlacklistFilter.doFilter(IpBlacklistFilter.java:94)
        at org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:71)
        at org.geoserver.params.extractor.Filter.doFilter(Filter.java:56)
        at org.geoserver.filters.SpringDelegatingFilter$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:84)
        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)
 
                                                            

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[Geoserver-devel] [JIRA] (GEOS-8588) Style with Interpolate function causes NullPointerException on GetLegendGraphic

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