Currently none of servers embedded inn Oj seem to work. Should we also
upgrade the list?
Peppe
2013/3/11 Rahkonen Jukka <jukka.rahko...@mmmtike.fi>
> Hi,
>
> Currently OpenJUMP throws a NPE when trying to make a connection with a
> WMS and if the answer from the server is not what was expected
> Try this
> - Add WMS layer, use url http://demo.opengeo.org/geoserver/wms?SERVICE=WFS
> - Press next
> - Get NPE
>
> It would better to tell user that something abnormal happened and print
> the message from the server if user presses the Show details button.
>
> A harder to handle may be the case when WMS layer is already added to the
> map but then something goes wrong and server sends an error message in XML
> format instead of a map. What happens now is that OJ does nothing. It
> can't show the map because server did not send it but it does not show or
> log the error message.
>
> We can simulate this case. This is a working GetMap URL
>
> http://demo.opengeo.org/geoserver/wms?
> SERVICE=WMS&
> REQUEST=GetMap&
> SERVICE=WMS&
> VERSION=1.1.0&
> WIDTH=459&
> HEIGHT=351&
> LAYERS=topp:states&
> TRANSPARENT=TRUE&
> FORMAT=image%2Fpng&
> BBOX=-124.731,15.078911764705884,-66.97,59.24908823529412&
> SRS=EPSG:4326&
> STYLES=
>
> Now let's assume that there is some trouble on the server side and
> topp:states layer is not available. The server will send an XML error
> message with MIME type application/vnd.ogc.se_xml
>
> We can see how such an error message looks like by making a GetMap request
> with a non-existing layer
>
> http://demo.opengeo.org/geoserver/wms?
> SERVICE=WMS&
> REQUEST=GetMap&
> SERVICE=WMS&
> VERSION=1.1.0&
> WIDTH=459&
> HEIGHT=351&
> LAYERS=topp:foo&
> TRANSPARENT=TRUE&
> FORMAT=image%2Fpng&
> BBOX=-124.731,15.078911764705884,-66.97,59.24908823529412&
> SRS=EPSG:4326&
> STYLES=
>
> A good behavior would be to show the error message or print it to the log
> file. OpenJUMP should do some brain work here: "I was asking for image/png
> but got back something with a different MIME type, so it means that it is
> an error and I will tell it" .
>
> It is possible that MIME types do not match exactly with MIME types like
> image/png; mode=8bit. However, if the response is of type
> application/vnd.ogc.se_xml it is certainly not an image and it could safely
> be reported as an error.
>
> -Jukka Rahkonen-
>
>
>
> ------------------------------------------------------------------------------
> Symantec Endpoint Protection 12 positioned as A LEADER in The Forrester
> Wave(TM): Endpoint Security, Q1 2013 and "remains a good choice" in the
> endpoint security space. For insight on selecting the right partner to
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------------------------------------------------------------------------------
Symantec Endpoint Protection 12 positioned as A LEADER in The Forrester
Wave(TM): Endpoint Security, Q1 2013 and "remains a good choice" in the
endpoint security space. For insight on selecting the right partner to
tackle endpoint security challenges, access the full report.
http://p.sf.net/sfu/symantec-dev2dev
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