Hello Nuno,
Thanks for the reply but it doesn’t fix it, I still got the message on layer
preview…
The requested Style can not be used with this layer. The style specifies an attribute of
gn:NamedPlace/gn:name/gn:GeographicalName/gn:spelling/gn:SpellingOfName/gn:text/@xlink:href and
the layer is: gn:NamedPlace
Regards
F
*C**umprimentos,*
*Francisco Caldeira*
*Serviço de Georreferenciação*
*Av. A. José de Almeida – 1000-043 Lisboa*
***Tel.+351 218426100 / ext.1438*
*[email protected] <mailto:[email protected]>**| www.ine.pt
<http://www.ine.pt/>*
***_______________________________*
**
cid:[email protected]
*From:*Nuno Oliveira [mailto:[email protected]]
*Sent:* terça-feira, 16 de janeiro de 2018 16:29
*To:* [email protected]
*Subject:* Re: [Geoserver-users] Appschema and Sld for WMS
Hi Francisco,
You may be interested in this thread:
http://osgeo-org.1560.x6.nabble.com/Referencing-App-Schema-defined-feature-types-properties-in-styles-SLD-td5347766.html
long story short you should try to reference your property using a path
relative to the root entity:
**
*<ogc:PropertyName>gn:NamedPlace/gn:name/gn:GeographicalName/gn:spelling/gn:SpellingOfName/gn:text/@xlink:href</ogc:PropertyName>*
*
*If this fix your issue please remember to update the related ticket !
Kind regards,
Nuno Oliveira
On 12/04/2017 11:08 AM, Francisco Caldeira wrote:
Hello,
Ok Nuno Oliveira, I’m going to create the issue on the bug tracker.
Thank you and all for the help!
Regards
F
cid:[email protected]
Francisco Caldeira - Serviço de GeoInformação
I.N.E. - Instituto Nacional de Estatística
Avenida António José de Almeida
100-043 Lisboa
Portugal
[email protected] <mailto:[email protected]>
(351) - 21 8426100
Ext. 1438
*From:*Nuno Oliveira [mailto:[email protected]]
*Sent:* sexta-feira, 1 de dezembro de 2017 10:07
*To:* Andrea Aime
*Cc:* GeoServer Mailing List List
*Subject:* Re: [Geoserver-users] Appschema and Sld for WMS
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
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