[mapguide-users] postgisconnection

Traian Stanev traian.stanev at autodesk.com
Tue Mar 17 15:30:29 EDT 2009

Yes, the OGR provider DLL with PostGIS support requires the libpq.dll from Postgres to work. It does not require the PostGIS*.dll files, these are part of the dedicated PostGIS provider.


From: mapguide-users-bounces at lists.osgeo.org [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Kenneth Skovhede, GEOGRAF A/S
Sent: Tuesday, March 17, 2009 9:58 AM
To: MapGuide Users Mail List
Subject: Re: [mapguide-users] postgisconnection

Try using "Dependency Walker" on the OGRProvider.dll or PostGISProvider.dll (depending on which you use).

I think you need the pglib file from PostGIS.

Regards, Kenneth Skovhede, GEOGRAF A/S

Arnaud De Groof skrev:

I tried to connect Mapguide OS 2.0.2 with a PostGreSQL 8.2 + PostGis database via FDO OGR Provider 3.3.0.
I copied the three dll files (PostGISProvider.dll, PostGISOverrides.dll, PostGISMessage.dll) from OSGeo Website into the MapGuideOpenSource2.0\Server\Bin\FDO folder and I updated the providers.xml file.
In MapGuide Maestro, I created a dataconnection with the OSGeo FDO Provider for PostGIS. Unfortunately, when I tested the connection with the specific parameters (database, server, port,..), the following error is encountered:
Error: An exception occurred in FDO component.
        Unable to load the FDO Provider: (null)
  - MgFeatureServiceHandler.ProcessOperation line 83 file d:\build\mapguide_open_source_v2.0\build_30.11\mgdev\server\src\services\feature\FeatureServiceHandler.cpp
  - MgOpTestFeatureSourceConnection.Execute line 100 file d:\build\mapguide_open_source_v2.0\build_30.11\mgdev\server\src\services\feature\OpTestFeatureSourceConnection.cpp
  - MgFdoConnectionManager.Open line 262 file d:\build\mapguide_open_source_v2.0\build_30.11\mgdev\server\src\common\manager\FdoConnectionManager.cpp   An exception occurred in FDO component.
Unable to load the FDO Provider: (null)


Arnaud De Groof


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