Hi,
I am playing around with the WPS query builder.
I was trying to do a buffer on the local vector layer: tiger:poi layer in
Geoserver.
The query gives me an error:
<ows:ExceptionReport version="1.1.0" xsi:schemaLocation="
http://www.opengis.net/ows/1.1
http://geoserver.cbkort.dk:8680/schemas/ows/1.1.0/owsAll.xsd";>
-
<ows:Exception exceptionCode="NoApplicableCode">
-
<ows:ExceptionText>
Process returned with an exception
Could not convert
net.opengis.wfs.impl.featurecollectiontypei...@1ab0086(lockId: null,
timeStamp:
java.util.GregorianCalendar[time=1286307427078,areFieldsSet=true,areAllFieldsSet=true,lenient=true,zone=sun.util.calendar.ZoneInfo[id="Europe/Paris",offset=3600000,dstSavings=3600000,useDaylight=true,transitions=184,lastRule=java.util.SimpleTimeZone[id=Europe/Paris,offset=3600000,dstSavings=3600000,useDaylight=true,startYear=0,startMode=2,startMonth=2,startDay=-1,startDayOfWeek=1,startTime=3600000,startTimeMode=2,endMode=2,endMonth=9,endDay=-1,endDayOfWeek=1,endTime=3600000,endTimeMode=2]],firstDayOfWeek=2,minimalDaysInFirstWeek=4,ERA=1,YEAR=2010,MONTH=9,WEEK_OF_YEAR=40,WEEK_OF_MONTH=1,DAY_OF_MONTH=5,DAY_OF_YEAR=278,DAY_OF_WEEK=3,DAY_OF_WEEK_IN_MONTH=1,AM_PM=1,HOUR=9,HOUR_OF_DAY=21,MINUTE=37,SECOND=7,MILLISECOND=78,ZONE_OFFSET=3600000,DST_OFFSET=3600000],
numberOfFeatures: 0, feature:
[org.geotools.data.crs.forcecoordinatesystemfeatureresu...@1af75dd]) to
target type com.vividsolutions.jts.geom.Geometry
</ows:ExceptionText>
</ows:Exception>
</ows:ExceptionReport>
I believe this is because the buffer proces require only the gml:geometry
but receives a whole featurecollection from WFS ??
Am I doing any thing wrong ?
This is what the querybuilder generated:
<?xml version="1.0" encoding="UTF-8"?>
<wps:Execute version="1.0.0" service="WPS"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xmlns="http://www.opengis.net/wps/1.0.0";
xmlns:wfs="http://www.opengis.net/wfs";
xmlns:wps="http://www.opengis.net/wps/1.0.0";
xmlns:ows="http://www.opengis.net/ows/1.1";
xmlns:gml="http://www.opengis.net/gml";
xmlns:ogc="http://www.opengis.net/ogc";
xmlns:wcs="http://www.opengis.net/wcs/1.1.1";
xmlns:xlink="http://www.w3.org/1999/xlink";
xsi:schemaLocation="http://www.opengis.net/wps/1.0.0
http://schemas.opengis.net/wps/1.0.0/wpsAll.xsd";>
<ows:Identifier>JTS:buffer</ows:Identifier>
<wps:DataInputs>
<wps:Input>
<ows:Identifier>geom</ows:Identifier>
<wps:Reference mimeType="text/xml; subtype=gml/3.1.1"
xlink:href="http://geoserver/wfs"; method="POST">
<wps:Body>
<wfs:GetFeature service="WFS" version="1.0.0" outputFormat="GML2">
<wfs:Query typeName="tiger:poi"/>
</wfs:GetFeature>
</wps:Body>
</wps:Reference>
</wps:Input>
<wps:Input>
<ows:Identifier>distance</ows:Identifier>
<wps:Data>
<wps:LiteralData>10</wps:LiteralData>
</wps:Data>
</wps:Input>
</wps:DataInputs>
<wps:ResponseForm>
<wps:RawDataOutput mimeType="application/wkt">
<ows:Identifier>result</ows:Identifier>
</wps:RawDataOutput>
</wps:ResponseForm>
</wps:Execute>
--
Med venlig hilsen
Martin Bjærge Jensen
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