[OpenLayers-Users] How to issue custom WFS request in 2.8

[Andreas Hocevar]

Hi,

your WFS returns invalid XML:
http://att-it.homelinux.net:22080/cgi-bin/ms-5.4.2/blokknez.fcgi?service=wfs&version=1.0.0&request=getfeature&maxfeatures=1&typename=blokknezegeto:blokk2009

It returns features with a blokknezegeto namespace prefix, but no 
namespace uri is assigned to this prefix

Regards,
Andreas.


Balázs Bámer wrote:
> HI All,
>
> I try to issue custom WFS 1.0.0 GetFeature request (could be also
> 1.1.0, doesn't matter). Goal is to count some attributes (or list them
> later). However, there is always some error, now
>
> "An attempt was made to create or change an object in a way which is
> incorrect with regard to namespaces" code: "14
> [Break on this error] node.setAttributeNS(uri, name, value);\n"
>
> What is the correct way to do this in OpenLayers 2.8? Something
> similar worked in 2.7 but I need 2.8.
>
> thank you in advance, best regards: Balázs Bámer
>
> I do the following:
>
>
>         filter=new OpenLayers.Filter.Comparison({
>             type: OpenLayers.Filter.Comparison.EQUAL_TO,
>             property: "bloaz",
>             value: kerespanel.findById('bloazid').value
>         });
>         format = new OpenLayers.Format.WFST.v1_0_0({
>             featureNS: 'blokknezegeto',
>             featurePrefix: 'blokknezegeto',
>             namespaces: {
>                 "wfs": "http://www.opengis.net/wfs",
>                 "ogc": "http://www.opengis.net/ogc"
>             }
>         });
>         wfs = new OpenLayers.Protocol.WFS.v1_0_0({
>             url:
> "http://att-it.homelinux.net:22080/cgi-bin/ms-5.4.2/blokknez.fcgi",
>             params: {
>                 filter: filter,
>                 maxFeatures: 200,
>                 srsName: "EPSG:23700",
>                 typeName: "blokk2009"
>             },
>             format: format,
>             typename: "blokk2009",
>             featureType: "blokk2009",
>             featureNS: "blokknezegeto",
>             feturePrefix: "blokknezegeto",
>             geometryName: "bgeom"
>         });
>         wfs.read({
>             callback: function(result) {
>                 var gml = result.features;
>                 n=0;
>                 for(i in gml) {
>                     egyik=gml[i];
>
> document.getElementById("eredmeny").innerHTML="Blokk azonosito:
> "+egyik.attributes.BLOAZ+"<br>terulet (ha):
> "+egyik.attributes.BPTERHA;
>                     n++;
>                 }
>                 alert("ennyit talaltam: "+n);
>             }/*,
>             scope: this*/
>         });
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>   


-- 
Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.