Sorry Andrea forgot to share the details indeed, my bad.
The inner exception is actually swallowed at some point (this should be fixed some way ... logging
the exception ?), the relevant part is this one (full stacktrace attached):
java.lang.NullPointerException
at
org.geotools.feature.xpath.FeatureTypeAttributePointer.<init>(FeatureTypeAttributePointer.java:90)
at
org.geotools.feature.xpath.SingleFeatureTypeAttributeIterator.getNodePointer(SingleFeatureTypeAttributeIterator.java:82)
at
org.apache.commons.jxpath.ri.axes.ChildContext.getCurrentNodePointer(ChildContext.java:57)
at
org.apache.commons.jxpath.ri.axes.ChildContext.prepare(ChildContext.java:108)
at
org.apache.commons.jxpath.ri.axes.ChildContext.setPosition(ChildContext.java:99)
at
org.apache.commons.jxpath.ri.axes.ChildContext.nextNode(ChildContext.java:87)
at
org.apache.commons.jxpath.ri.EvalContext.performIteratorStep(EvalContext.java:155)
at
org.apache.commons.jxpath.ri.EvalContext.hasNext(EvalContext.java:115)
at
org.geotools.filter.expression.FeaturePropertyAccessorFactory$FeaturePropertyAccessor.get(FeaturePropertyAccessorFactory.java:269)
at
org.geotools.filter.AttributeExpressionImpl.tryAccessor(AttributeExpressionImpl.java:248)
at
org.geotools.filter.AttributeExpressionImpl.evaluate(AttributeExpressionImpl.java:220)
at
org.geotools.filter.AttributeExpressionImpl.evaluate(AttributeExpressionImpl.java:189)
at
org.geoserver.wms.map.GetMapKvpRequestReader.checkStyle(GetMapKvpRequestReader.java:1083)
Several strange things here:
* since there is a XML related library in the middle I would expect some
strange behavior like an
assertion fail, custom exception, etc ... but not a NULL pointer exception
for sure.
* since we are dealing with a complex feature not sure why a
SingleFeatureTypeAttributeIterator is
being used.
So as far I can tell the used xpath looks fine, using the same path for
filtering works just fine:
<wfs:Query typeName="st_gml32:Station_gml32">
<ogc:Filter>
<ogc:Filter>
<ogc:PropertyIsEqualTo>
<ogc:PropertyName>
*st_gml32:Station_gml32/st_gml32:name*
</ogc:PropertyName>
<ogc:Literal>
station1
</ogc:Literal>
</ogc:PropertyIsEqualTo>
</ogc:Filter>
</ogc:Filter>
</wfs:Query>
So it looks to me that there something wrong ... discovering what will require a deeper
investigation, at least for me ... maybe someone else already stepped on this and knows what is
going one ?
Independently of what is going here, complex feature feedbacks for when a property is not found
needs to be improved.
@Franciso if you don't get more feedback on this I will suggest to you to go ahead and open an issue
in the bug tracker:
http://geoserver.org/issues/
Cheers,
Nuno Oliveira
On 12/01/2017 09:05 AM, Andrea Aime wrote:
On Fri, Dec 1, 2017 at 10:02 AM, Nuno Oliveira <[email protected]
<mailto:[email protected]>> wrote:
Hi Andrea,
thanks for the heads up.
When I saw the properties check I also thought it was deactivated for
complex feature, so I
did a quick test where I deactivate the check ... we get the same issue
when trying to render
the map.
I see... what's the full stack trace?
Wondering if there are checks at multiple levels, like, during rendering I was expecting more of a
null if the property cannot be accessed.
Cheers
Andrea
==GeoServer Professional Services from the experts! Visit http://goo.gl/it488V for more
information.==Ing. Andrea Aime @geowolfTechnical LeadGeoSolutions S.A.S.Via di Montramito 3/A55054
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8844549http://www.geo-solutions.ithttp://twitter.com/geosolutions_it
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Regards,
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==
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for more information.
==
Nuno Miguel Carvalho Oliveira
@nmcoliveira
Software Engineer
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Via di Montramito 3/A
55054 Massarosa (LU)
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-------------------------------------------------------
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Le informazioni contenute in questo messaggio di posta elettronica e/o nel/i
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è consentito esclusivamente al destinatario del messaggio, per le finalità
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distribuirlo ad altri soggetti, copiarlo, od utilizzarlo per finalità diverse,
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The information in this message and/or attachments, is intended solely for the attention and use of the named addressee(s) and may be confidential or proprietary in nature or covered by the provisions of privacy act (Legislative Decree June, 30 2003, no.196 - Italy's New Data Protection Code).Any use not in accord with its purpose, any disclosure, reproduction, copying, distribution, or either dissemination, either whole or partial, is strictly forbidden except previous formal approval of the named addressee(s). If you are not the intended recipient, please contact immediately the sender by telephone, fax or e-mail and delete the information in this message that has been received in error. The sender does not give any warranty or accept liability as the content, accuracy or completeness of sent messages and accepts no responsibility for changes made after they were sent or for other risks which arise as a result of e-mail transmission, viruses, etc.
java.lang.NullPointerException
at
org.geotools.feature.xpath.FeatureTypeAttributePointer.<init>(FeatureTypeAttributePointer.java:90)
at
org.geotools.feature.xpath.SingleFeatureTypeAttributeIterator.getNodePointer(SingleFeatureTypeAttributeIterator.java:82)
at
org.apache.commons.jxpath.ri.axes.ChildContext.getCurrentNodePointer(ChildContext.java:57)
at
org.apache.commons.jxpath.ri.axes.ChildContext.prepare(ChildContext.java:108)
at
org.apache.commons.jxpath.ri.axes.ChildContext.setPosition(ChildContext.java:99)
at
org.apache.commons.jxpath.ri.axes.ChildContext.nextNode(ChildContext.java:87)
at
org.apache.commons.jxpath.ri.EvalContext.performIteratorStep(EvalContext.java:155)
at
org.apache.commons.jxpath.ri.EvalContext.hasNext(EvalContext.java:115)
at
org.geotools.filter.expression.FeaturePropertyAccessorFactory$FeaturePropertyAccessor.get(FeaturePropertyAccessorFactory.java:269)
at
org.geotools.filter.AttributeExpressionImpl.tryAccessor(AttributeExpressionImpl.java:248)
at
org.geotools.filter.AttributeExpressionImpl.evaluate(AttributeExpressionImpl.java:220)
at
org.geotools.filter.AttributeExpressionImpl.evaluate(AttributeExpressionImpl.java:189)
at
org.geoserver.wms.map.GetMapKvpRequestReader.checkStyle(GetMapKvpRequestReader.java:1083)
at
org.geoserver.wms.map.GetMapKvpRequestReader.read(GetMapKvpRequestReader.java:496)
at
org.geoserver.wms.map.GetMapKvpRequestReader.read(GetMapKvpRequestReader.java:87)
at org.geoserver.ows.Dispatcher.parseRequestKVP(Dispatcher.java:1522)
at org.geoserver.ows.Dispatcher.dispatch(Dispatcher.java:681)
at
org.geoserver.ows.Dispatcher.handleRequestInternal(Dispatcher.java:259)
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.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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