Thanks Andrea,
for encouragement. I did not know that I can solve it but I learned to fiddle with the headers by using Firefox and Poster. The remote WMS server there simply does not like Java as a user agent. This header yields an empty response:
User-Agent: Java/1.7.0_67
This one yields good GetCapabilities
User-Agent: foo
-Jukka-
···
Lähettäjä: andrea.aime@…403… [mailto:andrea.aime@…403…] Puolesta Andrea Aime
Lähetetty: 28. marraskuuta 2014 14:32
Vastaanottaja: Rahkonen Jukka (Tike)
Kopio: geoserver-devel@lists.sourceforge.net
Aihe: Re: [Geoserver-devel] WMS cascading fails with an ESRI server
On Fri, Nov 28, 2014 at 12:53 PM, Rahkonen Jukka (Tike) <jukka.rahkonen@…1245…> wrote:
Hi,
Captured from a gis.stackexchange question http://gis.stackexchange.com/questions/123754/problem-with-connecting-remote-wms-connection-to-geoserver, this WMS server can’t be cascaded with Geoserver.:
http://mapy.geoportal.gov.pl/wss/service/pub/guest/kompozycjaG2_TBD_WMS/MapServer/WMSServer?
The error is
Connection test failed: Content type is required for org.geotools.data.wms.response.WMSGetCapabilitiesResponse
I could not connect the service with OpenJUMP either. It gives an error
IOException: org.sax.SAXParseException; Premature end of life.
However, I can read GetCapabilities with browser and document was reported valid by a web service at xmlvalidation.com.
I studied with Fiddler what happens. Geoserver is sending the following request but gets never anything back. I could have something to do with the headers and ESRI server wants to get something more than it gets now
GET http://mapy.geoportal.gov.pl/wss/service/pub/guest/kompozycjaG2_TBD_WMS/MapServer/WMSServer?REQUEST=GetCapabilities&VERSION=1.3.0&SERVICE=WMS HTTP/1.1
Accept-Encoding: gzip
User-Agent: Java/1.7.0_67
Host: mapy.geoportal.gov.pl
Accept: text/html, image/gif, image/jpeg, *; q=.2, /; q=.2
Proxy-Connection: keep-alive
I cannot be sure, but “Accept: text/html, image/gif, image/jpeg, ; q=.2, /; q=.2" sounds like trouble, not sure what the "; q=.2” means, or the other one, but it may well be
that the server is not answering because text/xml is not matching any accepted content type?
Cheers
Andrea
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