[QGIS-Developer] GeoFerver canno't read QGIS server WFS Services

Walter Lorenzetti lorenzetti at gis3w.it
Mon Jun 5 00:26:31 PDT 2023


Hi René-Luc,

yes it fail on DescribeFeatureType.

This is the repsonse of QGIS 3.28.7:

<schema xmlns:gml="http://www.opengis.net/gml" 
targetNamespace="http://www.qgis.org/gml" 
xmlns="http://www.w3.org/2001/XMLSchema" 
xmlns:xsd="http://www.w3.org/2001/XMLSchema" version="1.0" 
xmlns:qgs="http://www.qgis.org/gml" 
xmlns:ogc="http://www.opengis.net/ogc" elementFormDefault="qualified">
  <import 
schemaLocation="http://schemas.opengis.net/gml/3.1.1/base/gml.xsd" 
namespace="http://www.opengis.net/gml"/>
  <element name="buildings" substitutionGroup="gml:_Feature" 
type="qgs:buildingsType"/>
  <complexType name="buildingsType">
   <complexContent>
    <extension base="gml:AbstractFeatureType">
     <sequence>
      <element maxOccurs="1" name="geometry" minOccurs="0" 
type="gml:MultiSurfacePropertyType"/>
      <element name="fid" alias="ID" type="long"/>
      <element name="name" alias="Name" type="string"/>
      <element name="address" alias="Address" type="string" 
nillable="true"/>
      <element name="year" alias="Year of construction" type="long"/>
      <element name="photo" alias="Photo" type="string" nillable="true"/>
      <element name="link" alias="Link" type="string" nillable="true"/>
      <element name="form" alias="Form" type="string" nillable="true"/>
      <element name="high" alias="High" type="long"/>
      <element name="volume" alias="Volume" type="long" nillable="true"/>
      <element name="surface" alias="Surface (based on QGIS expression)" 
type="decimal" nillable="true"/>
      <element name="architectural_barriers" alias="Architectural 
barriers" type="string" nillable="true"/>
      <element name="date_barriers" alias="Date" type="date" 
nillable="true"/>
      <element name="safety_exits" alias="Safety exits" type="string" 
nillable="true"/>
      <element name="date_exits" alias="Date" type="date" nillable="true"/>
      <element name="fire_system" alias="Fire system" type="string" 
nillable="true"/>
      <element name="date_fire" alias="Date" type="date" nillable="true"/>
      <element name="type" alias="Type" type="string"/>
      <element name="zone" alias="Zone (based on QGIS expression)" 
type="string" nillable="true"/>
      <element name="attachment" alias="Documents to be attached" 
type="long" nillable="true"/>
      <element name="subtype" alias="Subtype - Dependent on the value of 
Type" type="string" nillable="true"/>
      <element name="user" alias="User last modification" type="string" 
nillable="true"/>
      <element name="description" alias="Description" type="string" 
nillable="true"/>
     </sequence>
    </extension>
   </complexContent>
  </complexType>
</schema>

and following a DescribeFeatureType response which does not fail on 
geoservers from a Italy government  service:

http://wms.pcn.minambiente.it/ogc?map=/ms_ogc/wfs/Alluvioni_Estensione.map&TYPENAME=ITH2018_Estensione_LPH&REQUEST=DescribeFeatureType&VERSION=1.1.0&SERVICE=WFS

<?xml version='1.0' encoding="ISO-8859-1" ?>
<schema
    targetNamespace="http://mapserver.gis.umn.edu/mapserver"
    xmlns:ms="http://mapserver.gis.umn.edu/mapserver"
    xmlns:ogc="http://www.opengis.net/ogc"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
    xmlns="http://www.w3.org/2001/XMLSchema"
    xmlns:gml="http://www.opengis.net/gml"
    elementFormDefault="qualified" version="0.1" >

   <import namespace="http://www.opengis.net/gml"
           
schemaLocation="http://schemas.opengis.net/gml/3.1.1/base/gml.xsd" />

   <element name="ITH2018_Estensione_LPH"
            type="ms:ITH2018_Estensione_LPHType"
            substitutionGroup="gml:_Feature" />

   <complexType name="ITH2018_Estensione_LPHType">
     <complexContent>
       <extension base="gml:AbstractFeatureType">
         <sequence>
           <element name="boundary" type="gml:SurfacePropertyType" 
minOccurs="0" maxOccurs="unbounded"/>
           <element name="id" type="string"/>
           <element name="rbdname" type="string"/>
           <element name="uomcode" type="string"/>
           <element name="apsfrcode" type="string"/>
           <element name="category" type="string"/>
           <element name="eu_cd_hp" type="string"/>
           <element name="source" type="string"/>
           <element name="character" type="string"/>
           <element name="mechanism" type="string"/>
           <element name="frequency" type="string"/>
           <element name="namespace" type="string"/>
           <element name="beginlife" type="string"/>
           <element name="detmetod" type="string"/>
         </sequence>
       </extension>
     </complexContent>
   </complexType>

</schema>


I can't see a substantial difference :(

W

Il 31/05/23 15:28, René-Luc Dhont via QGIS-Developer ha scritto:
> Hi Walter,
>
> You have to check the result of DescribeFeatureType WFS Request.
> This request has to provide the XSD to validate the GML.
>
> Regards,
> René-Luc
>
> Le 31/05/2023 à 14:59, Walter Lorenzetti via QGIS-Developer a écrit :
>>
>> Hi,
>>
>> when I try to add a WFS service layer to a GeoServer instance I get 
>> an exception like this:
>>
>> ```
>>
>> ...
>>
>> Caused by: java.lang.RuntimeException: 
>> org.geotools.data.DataSourceException: No XSDElementDeclaration found 
>> for {http://www.opengis.net/wfs}Particelle_terreni_e_fabbricati
>>     at 
>> org.geotools.data.store.ContentFeatureSource.getAbsoluteSchema(ContentFeatureSource.java:329)
>>     at 
>> org.geotools.data.store.ContentFeatureSource.getSchema(ContentFeatureSource.java:296)
>>     at 
>> org.geotools.data.store.ContentFeatureSource.getSchema(ContentFeatureSource.java:105)
>>     at 
>> org.geoserver.catalog.CatalogBuilder.buildFeatureType(CatalogBuilder.java:342)
>>     at 
>> org.geoserver.catalog.CatalogBuilder.buildFeatureType(CatalogBuilder.java:325)
>>     at 
>> org.geoserver.web.data.layer.NewLayerPage.buildLayerInfo(NewLayerPage.java:409)
>>
>> ...
>>
>> ```
>>
>> Any idea about this issue? It seams a XML error validation..
>>
>> Thanks in advance.
>>
>> W
>>
>>
>> -- 
>>
>> Walter Lorenzetti phD
>> email: lorenzetti at gis3w.it
>> site: gis3w.it <https://gis3w.it>
>> twitter: w_lorenzetti
>> Tel/Cell: (+39) 347-6597931
>> Viale Verdi 24 - 51016 Montecatini Terme (PT)
>>
>>
>> _______________________________________________
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>
>
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-- 

Walter Lorenzetti phD
email: lorenzetti at gis3w.it
site: gis3w.it <https://gis3w.it>
twitter: w_lorenzetti
Tel/Cell: (+39) 347-6597931
Viale Verdi 24 - 51016 Montecatini Terme (PT)
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