Hi!

I have Problems using following WFS with GeoServer: 
https://isk.geobasis-bb.de/ows/atkisbdlm_sf_wfs?version=1.1.0
GeoServer sends following request to the WFS:
https://isk.geobasis-bb.de/ows/atkisbdlm_sf_wfs?PROPERTYNAME=position&FILTER=%3Cogc%3AFilter+xmlns%3Axs%3D%22http%3A%2F%2Fwww.w3.org%2F2001%2FXMLSchema%22+xmlns%3Agml%3D%22http%3A%2F%2Fwww.opengis.net%2Fgml%22+xmlns%3Aogc%3D%22http%3A%2F%2Fwww.opengis.net%2Fogc%22%3E%3Cogc%3ABBOX%3E%3Cogc%3APropertyName%3Eposition%3C%2Fogc%3APropertyName%3E%3Cgml%3AEnvelope+srsDimension%3D%222%22+srsName%3D%22urn%3Ax-ogc%3Adef%3Acrs%3AEPSG%3A3857%22%3E%3Cgml%3AlowerCorner%3E1525683.084572+6887281.996608%3C%2Fgml%3AlowerCorner%3E%3Cgml%3AupperCorner%3E1566041.835507+6927640.747542%3C%2Fgml%3AupperCorner%3E%3C%2Fgml%3AEnvelope%3E%3C%2Fogc%3ABBOX%3E%3C%2Fogc%3AFilter%3E&TYPENAME=adv%3AAX_Flugverkehrsanlage&REQUEST=GetFeature&RESULTTYPE=RESULTS&OUTPUTFORMAT=text%2Fxml%3B+subtype%3Dgml%2F3.1.1&SRSNAME=urn%3Aogc%3Adef%3Acrs%3AEPSG%3A%3A3857&VERSION=1.1.0&SERVICE=WFS

The decoded Filter-Expression looks like this:


 <ogc:Filter xmlns:xs="http://www.w3.org/2001/XMLSchema"; 
xmlns:gml="http://www.opengis.net/gml"; xmlns:ogc="http://www.opengis.net/ogc";>
  <ogc:BBOX><ogc:PropertyName>position</ogc:PropertyName>
  <gml:Envelope srsDimension="2" srsName="urn:x-ogc:def:crs:EPSG:3857">
  <gml:lowerCorner>1525683.084572 6887281.996608</gml:lowerCorner>
  <gml:upperCorner>1566041.835507 6927640.747542</gml:upperCorner>
  </gml:Envelope>
    </ogc:BBOX>
  </ogc:Filter>


There seem to be two problems in the filter:


1. missing Namespace for attribute "position":

The error is: "Error in filter expression: Prefix '' in qname 'position' is 
unknown (FeatureTypeContext: adv:AX_Flugverkehrsanlage)."

The position attribute either needs a prefix "adv:" and a namespace declaration 
"xmlns:adv="http://www.adv-online.de/namespaces/adv/gid/6.0";


Alternativly, the default namespace could defined as follows: 
"xmlns="http://www.adv-online.de/namespaces/adv/gid/6.0"";

The information of the namespace should have been taken from the 
DescribeFeatureType Request 
https://isk.geobasis-bb.de/ows/atkisbdlm_sf_wfs?version=1.1.0&Service=wfs&request=describefeaturetype&typename=adv:AX_Flugverkehrsanlage

2. wrong srsName notation

Once, error 1 is fixed it appears another error message, which says that the 
used srsName "urn:x-ogc:def:crs:EPSG:3857" is not valid. It expects following 
notation: "urn:ogc:def:crs:EPSG::3857" as defined in the Capabilities-Document 
of the service 
https://isk.geobasis-bb.de/ows/atkisbdlm_sf_wfs?version=1.1.0&Service=wfs&request=getcapabilities


Do you have any ideas of how to fix that? Or may it is a bug in geoserver?

Any help is appreciated!
Thanks!

Steffen



[1629876319822]


Steffen Berger

Geoinformatiker

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