[Geoserver-devel] [JIRA] (GEOS-9206) An incorrect POST request (missing PropertyName element in the BBOX fIlter) is generated by WFS-NG when querying an external ArcGIS WFS datastore

Luca Morandini (JIRA) Thu, 09 May 2019 04:53:34 -0700

Title: Message Title

Issue Type:	Bug
Affects Versions:	2.14.1, 2.15.2
Assignee:	Unassigned
Components:	WFS
Created:	09/May/19 1:52 PM
Priority:	Medium
Reporter:	Luca Morandini

I added a WFS-NG data source pointing to an ArcGIS WFS service, dutifully added a few feature types, and started making WFS requests, such as:

 
                                                                curl -XGET 'http://localhost:8080/geoserver/wfs?request=GetFeature&version=1.1.0&typeName=it.geosolutions:SLIP_Public_Services_Farming_WFS_Land_Capability_-_Vineyards__DPIRD-034_&bbox=12702086,-4182198,13719898,-3205475,EPSG:3857'

However, the POST request (I set prefer POST over GET since ArcGIS objects to the use of plus sign in lieu of %20 when URL-encoding spaces) that GeoServer sent lacked the BBOX/PropertyName element.

 
                                                                2019-05-08 16:40:21,331 DEBUG [org.geotools.data.wfs.requests] - Encoded GET_FEATURE request: <?xml version="1.0" encoding="UTF-8"?><wfs:GetFeature xmlns:SLIP_Public_Services_Farming_WFS="https:services.slip.wa.gov.au:443/arcgis/services/SLIP_Public_Services/Farming_WFS/MapServer/WFSServer" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:wfs="http://www.opengis.net/wfs" xmlns:gml="http://www.opengis.net/gml" xmlns:ogc="http://www.opengis.net/ogc" xmlns:ows="http://www.opengis.net/ows" xmlns:xlink="http://www.w3.org/1999/xlink" handle="GeoTools 20-SNAPSHOT(62662e524ea61f01428d6a7b26a1c7690495ec14) WFS 1.1.0 DataStore @isenbrant#2" maxFeatures="1000000" outputFormat="text/xml; subType=gml/3.1.1/profiles/gmlsf/1.0.0/0" resultType="hits" service="WFS" version="1.1.0">
 <wfs:Query srsName="urn:ogc:def:crs:EPSG:6.9:3857" typeName="SLIP_Public_Services_Farming_WFS:Land_Capability_-_Vineyards__DPIRD-034_">
  <wfs:PropertyName>objectid</wfs:PropertyName>
  <wfs:PropertyName>decode</wfs:PropertyName>
  <wfs:PropertyName>lc_vines_c</wfs:PropertyName>
  <wfs:PropertyName>id</wfs:PropertyName>
  <wfs:PropertyName>shape</wfs:PropertyName>
  <wfs:PropertyName>st_area_shape_</wfs:PropertyName>
  <wfs:PropertyName>st_length_shape_</wfs:PropertyName>
  <ogc:Filter>
   <ogc:BBOX>
    <ogc:PropertyName/>
    <gml:Envelope srsDimension="2" srsName="http://www.opengis.net/gml/srs/epsg.xml#3857">
     <gml:lowerCorner>12702086 -4182198,</gml:lowerCorner>
     <gml:upperCorner>13719898 -3205475</gml:upperCorner>
    </gml:Envelope>
   </ogc:BBOX>
  </ogc:Filter>
 </wfs:Query>
</wfs:GetFeature>
 
                                                            

Filling in the property name results in a successful response from ArcGIS:

 
                                                                curl -XPOST "https://services.slip.wa.gov.au:443/public/services/SLIP_Public_Services/Farming_WFS/MapServer/WFSServer"\
  --header "Content-Type:text/xml"\
  --data '<?xml version="1.0" encoding="UTF-8"?>
  <wfs:GetFeature xmlns:SLIP_Public_Services_Farming_WFS="https:services.slip.wa.gov.au:443/arcgis/services/SLIP_Public_Services/Farming_WFS/MapServer/WFSServer" 
  xmlns:xs="http://www.w3.org/2001/XMLSchema" 
  xmlns:wfs="http://www.opengis.net/wfs" 
  xmlns:gml="http://www.opengis.net/gml" 
  xmlns:ogc="http://www.opengis.net/ogc" 
  xmlns:ows="http://www.opengis.net/ows" 
  xmlns:xlink="http://www.w3.org/1999/xlink" handle="GeoTools 20-SNAPSHOT(62662e524ea61f01428d6a7b26a1c7690495ec14) WFS 1.1.0 DataStore @isenbrant#2" maxFeatures="3" 
  outputFormat="text/xml; subType=gml/3.1.1/profiles/gmlsf/1.0.0/0" 
  resultType="hits" 
  service="WFS" 
  version="1.1.0">
 <wfs:Query srsName="urn:ogc:def:crs:EPSG:6.9:3857" typeName="SLIP_Public_Services_Farming_WFS:Land_Capability_-_Vineyards__DPIRD-034_">
  <wfs:PropertyName>objectid</wfs:PropertyName>
  <wfs:PropertyName>decode</wfs:PropertyName>
  <wfs:PropertyName>lc_vines_c</wfs:PropertyName>
  <wfs:PropertyName>id</wfs:PropertyName>
  <wfs:PropertyName>shape</wfs:PropertyName>
  <wfs:PropertyName>st_area_shape_</wfs:PropertyName>
  <wfs:PropertyName>st_length_shape_</wfs:PropertyName>
  <ogc:Filter>
   <ogc:BBOX>
    <ogc:PropertyName>shape</ogc:PropertyName>
    <gml:Envelope srsDimension="2" srsName="http://www.opengis.net/gml/srs/epsg.xml#3857">
     <gml:lowerCorner>12702086 -4182198,</gml:lowerCorner>
     <gml:upperCorner>13719898 -3205475</gml:upperCorner>
    </gml:Envelope>
   </ogc:BBOX>
  </ogc:Filter>
 </wfs:Query>
</wfs:GetFeature>'
 
                                                            

After instrumenting GeoServer 2.14, it turned out that the BaseFeatureKvpRequestReader class handleBBOX method does not set propertyName with the default geometry of the feature type; consequently, when the POST request is built, the PropertyName element is left blank, as in the BBOXImpl class the e1 _expression_ is an empty string.

I replicated the issue on the current master branch as well.

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[Geoserver-devel] [JIRA] (GEOS-9206) An incorrect POST request (missing PropertyName element in the BBOX fIlter) is generated by WFS-NG when querying an external ArcGIS WFS datastore

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