Hi,
as far as I can see JSON exception encoding is not uniformly implemented
across
all protocols.
I was actually surprised to see it's there at all for WFS, given that the
protocol, unlike WMS, has
no notion of alternative exception encoding formats.
But it turns out, it's actually available for WFS 1.0 and WFS 1.1, as long
as the request contains
a EXCEPTIONS parameter in the URL, but not in WFS 2.0, which is the one
that you are using.
Check this out:
http://demo.geo-solutions.it/geoserver/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=not_there&maxFeatures=50&exceptions=application/json
(works)
http://demo.geo-solutions.it/geoserver/ows?service=WFS&version=1.1.0&request=GetFeature&typeName=not_there&maxFeatures=50&exceptions=application/json
(works)
http://demo.geo-solutions.it/geoserver/ows?service=WFS&version=2.0.0&request=GetFeature&typeName=not_there&maxFeatures=50&exceptions=application/json
(does not work)
Feel free to open a request for improvement at
https://osgeo-org.atlassian.net/projects/GEOS
Cheers
Andrea
On Tue, Dec 20, 2016 at 10:56 AM, Niklas Trzaska <
[email protected]> wrote:
> Dear reader,
>
> I am new to GeoServer, so I hope I have come to the right place.
>
> I am using GeoServer 2.10.0, running on Ubuntu 16.04 LTS.
>
> I try to get exceptions as JSON, so I use the query parameter
> EXCEPTIONS=application/json (as written here for WFS:
> http://docs.geoserver.org/stable/en/user/services/wfs/reference.html or
> here for WMS: http://docs.geoserver.org/stable/en/user/services/
> wms/reference.html)
>
> If I perform an invalid request for a WMS, I successfully receive an error
> in JSON:
> ***********************************************************
> ************************************************************
> **************************
> -EXAMPLE:
> ***********************************************************
> ************************************************************
> **************************
> http://localhost:8080/geoserver/test/wms?SERVICE=
> wms&VERSION=1.3.0&REQUEST=GetMap&EXCEPTIONS=application/json
>
> {
> "version": "1.3.0",
> "exceptions": [
> {
> "code": "MissingOrInvalidParameter",
> "locator": "noLocator",
> "text": "Missing or invalid requested map size. Parameters WIDTH and
> HEIGHT shall be present and be integers > 0. Got WIDTH=0, HEIGHT=0"
> }
> ]
> }
> ***********************************************************
> ************************************************************
> **************************
>
>
>
> But the request parameter does not work for WFS, in my case.
>
>
> ***********************************************************
> ************************************************************
> **************************
> -EXAMPLE:
> ***********************************************************
> ************************************************************
> **************************
> http://localhost:8080/geoserver/test/wfs?SERVICE=
> wfs&VERSION=2.0.0&REQUEST=GetFeature&TYPENAMES=
> INVALIDTYPENAME&outputFormat=application/json&EXCEPTIONS=application/json
>
> <ows:ExceptionReport xmlns:xs="http://www.w3.org/2001/XMLSchema";
> xmlns:ows="http://www.opengis.net/ows/1.1"; xmlns:xsi="http://www.w3.org/
> 2001/XMLSchema-instance" version="2.0.0" xsi:schemaLocation="http://
> www.opengis.net/ows/1.1 http://localhost:8080/geoserver/schemas/ows/1.1.0/
> owsAll.xsd">
> <ows:Exception exceptionCode="InvalidParameterValue"
> locator="typeName">
> <ows:ExceptionText>Feature type :INVALIDTYPENAME
> unknown</ows:ExceptionText>
> </ows:Exception>
> </ows:ExceptionReport>
> ***********************************************************
> ************************************************************
> **************************
>
> Unfortunately I was not able to find a solution. So I would like to ask
> for your advice.
> I would be happy if someone could point out the source of the error.
>
> Kind regards
> Niklas
>
>
> ------------------------------------------------------------
> ------------------
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==
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==
Ing. Andrea Aime
@geowolf
Technical Lead
GeoSolutions S.A.S.
Via di Montramito 3/A
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phone: +39 0584 962313
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