[ 
http://jira.codehaus.org/browse/GEOS-3861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Andrea Aime reopened GEOS-3861:
-------------------------------


> GML LineStringType with 3 points where the first and last points are the same 
> causes an exception
> -------------------------------------------------------------------------------------------------
>
>                 Key: GEOS-3861
>                 URL: http://jira.codehaus.org/browse/GEOS-3861
>             Project: GeoServer
>          Issue Type: Bug
>    Affects Versions: 2.0.1
>         Environment: Windows Vista x64, JBoss 4.2.3
>            Reporter: Leon Doud
>            Assignee: Andrea Aime
>             Fix For: 2.0.2
>
>
> A GML LineStringType that has three points where the first and last point are 
> exactly the same causes an exception. I believe a line where the first and 
> last points are the same is valid.
> The GML fragment is:
> <gml:LineString>
>       <gml:coordinates decimal="." cs="," ts=" 
> ">-112.14893184013167,35.95239282967958
>               -113.28339919843984,35.59905235960904
>               -112.14893184013167,35.95239282967958</gml:coordinates>
> </gml:LineString>
> The stacktrace is:
> 15:13:58,114 INFO  [STDOUT] 16 Mar 15:13:58 ERROR [geoserver.ows] - 
> org.vfny.geoserver.wms.WmsException: org.vfny.geoserver.wms.WmsException: 
> Rendering process failed
>       at 
> org.vfny.geoserver.wms.responses.GetMapResponse.execute(GetMapResponse.java:442)
>       at 
> org.geoserver.ows.adapters.ResponseAdapter.getMimeType(ResponseAdapter.java:48)
>       at org.geoserver.ows.Dispatcher.response(Dispatcher.java:712)
>       at 
> org.geoserver.ows.Dispatcher.handleRequestInternal(Dispatcher.java:233)
>       at 
> org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
>       at 
> org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
>       at 
> org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:875)
>       at 
> org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:809)
>       at 
> org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571)
>       at 
> org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:501)
>       at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
>       at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>       at 
> org.vfny.geoserver.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>       at 
> org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:265)
>       at 
> org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107)
>       at 
> org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)
>       at 
> org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
>       at 
> org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:124)
>       at 
> org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
>       at 
> org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
>       at 
> org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
>       at 
> org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:174)
>       at 
> org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
>       at 
> org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
>       at 
> org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
>       at 
> org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:149)
>       at 
> org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>       at org.geoserver.filters.LoggingFilter.doFilter(LoggingFilter.java:73)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>       at 
> org.geoserver.filters.ReverseProxyFilter.doFilter(ReverseProxyFilter.java:183)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>       at org.geoserver.filters.GZIPFilter.doFilter(GZIPFilter.java:41)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>       at 
> org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>       at 
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
>       at 
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
>       at 
> org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
>       at 
> org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
>       at 
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>       at 
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>       at 
> org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
>       at 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>       at 
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
>       at 
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
>       at 
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
>       at 
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
>       at java.lang.Thread.run(Thread.java:595)
> Caused by: org.vfny.geoserver.wms.WmsException: Rendering process failed
>       at 
> org.vfny.geoserver.wms.responses.DefaultRasterMapProducer.produceMap(DefaultRasterMapProducer.java:412)
>       at 
> org.vfny.geoserver.wms.responses.GetMapResponse.execute(GetMapResponse.java:421)
>       ... 57 more
> Caused by: java.lang.Exception: Error rendering feature
>       at 
> org.geotools.renderer.lite.StreamingRenderer.drawOptimized(StreamingRenderer.java:1862)
>       at 
> org.geotools.renderer.lite.StreamingRenderer.processStylers(StreamingRenderer.java:1770)
>       at 
> org.geotools.renderer.lite.StreamingRenderer.paint(StreamingRenderer.java:690)
>       at 
> org.geotools.renderer.shape.ShapefileRenderer.renderWithStreamingRenderer(ShapefileRenderer.java:1518)
>       at 
> org.geotools.renderer.shape.ShapefileRenderer.paint(ShapefileRenderer.java:1366)
>       at 
> org.geotools.renderer.shape.ShapefileRenderer.paint(ShapefileRenderer.java:269)
>       at 
> org.vfny.geoserver.wms.responses.DefaultRasterMapProducer.produceMap(DefaultRasterMapProducer.java:388)
>       ... 58 more
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 6
>       at 
> org.geotools.geometry.jts.Decimator.decimateTransformGeneralize(Decimator.java:333)
>       at 
> org.geotools.geometry.jts.Decimator.decimateTransformGeneralize(Decimator.java:176)
>       at org.geotools.geometry.jts.LiteShape2.<init>(LiteShape2.java:158)
>       at 
> org.geotools.renderer.lite.StreamingRenderer$RenderableFeature.getTransformedShape(StreamingRenderer.java:2597)
>       at 
> org.geotools.renderer.lite.StreamingRenderer$RenderableFeature.getShape(StreamingRenderer.java:2545)
>       at 
> org.geotools.renderer.lite.StreamingRenderer.processSymbolizers(StreamingRenderer.java:2030)
>       at 
> org.geotools.renderer.lite.StreamingRenderer.process(StreamingRenderer.java:1965)
>       at 
> org.geotools.renderer.lite.StreamingRenderer.drawOptimized(StreamingRenderer.java:1857)
>       ... 64 more

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