[mapguide-users] MG 2.1 Beta and WMS / FDO Exception
Stefano.Bracco at eurac.edu
Fri Dec 11 03:55:20 EST 2009
I'm running with MGOS 2.1 and WMS Server MapServer 5.4.2 connected to
And everything is working correctly.
From: Crispin_at_1Spatial [via OSGeo.org]
[mailto:ml-node+4149962-21050104 at n2.nabble.com]
Sent: Friday, 11 December, 2009 09:21
To: Bracco Stefano
Subject: Re: [mapguide-users] MG 2.1 Beta and WMS / FDO Exception
WMS is tricky but with an appropriate "config" file and coordinate
system overrides in place we have MapGuide 2.1 test instances reading
from ArcGIS (9.2 I think), Smallworld and MapServer WMS servers.
I *guess* that the "Invalid format for the EXCEPTION parameter" issue
that MG(FDO) throws is with the way that MG(FDO) forms the WMS URL - the
client (MG) should check the service capabilities for what types of
exception are supported - eg XML, TXT and request appropriately.
Otherwise some request will fail but the exception type requested is not
supported by the server. For example, the service that gave me issues
had this in the capabilities (though so did the valid ones!):
I'm no reader of OGC/WMS documentation though and don't have fiddler
set-up to see the request that was being passed. That would be a help.
Finally, setting a coordinate override on the WMS but then removing the
coordinate system from the .MapDefinition helped in at least one case
We get WMS integration requests for about 25% of our installations now
so having a reliable automated config builder (Maestro?), coordinate
understanding and stable provider will become increasingly valuable as
knowledge and especially for newcomers.
I have a WMS connection that runs OK on a MapGuide 2.0.2 server --
verified today. I have taken the same settings over to MG 2.1 and get
an FDO error.
MapGuide Server (Version 18.104.22.16891)
MapGuide Site Administrator (Version 22.214.171.12491)
An exception occurred in FDO component. InvalidFormat:
msWMSLoadGetMapParams(): WMS server error. Invalid format for the
This occurs when I preview my .FeatureSource (using Maestro) and then
click the "View Data" to invoke the second panel in the DescribeSchema
interface... of course I get no layers to display with the same message
written to the log files.
Before I log a ticket for the regression I have a quick query on the
format of the config file... as per the instructions at...
I have the following line that references "OSGeo.WMS.3.1" -- is this
correct for FDO 3.4 / MG 2.1?
It is certainly OK for FDO 3.3 / MG 2.0.2.
<SchemaMapping provider="OSGeo.WMS.3.1" name="WMS"
Anyone got WMS running with MG 2.1?
Thanks in advance - Crispin
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