[OSGeo-Discuss] Mapguide 2.1 - Windows 7 - Gdal Raster freezes over 4GB

[Troy Miller]

I have a problem I am experiencing were the mapguide server becomes
unresponsive and locks up with raster datasets over 4GB. The strange
part is the same setup with the same dataset works with Windows XP but
does not work in Windows 7 32 bit. 

I cannot stop the MGServer process so I have to kill it in task manager.
I have to restart MGServer and world wide web service to recover. The
process locks one of the raster files because I cannot move one of them
until the mgservice is killed. 

I setup the raster the same on each from here: 
http://trac.osgeo.org/mapguide/wiki/MGOS21GdalProvider
<http://trac.osgeo.org/mapguide/wiki/MGOS21GdalProvider> 
Rasters are stored locally 

Working Platform 
Mapguide OS 2.1 
Windows XP 
GDAL Raster Driver JP2 or ECW 

Non-Working Platform 
Mapguide OS 2.1 
Windows 7 32 bit 
GDAL Raster Driver JP2 or ECW 

Is there something I am missing to get these large datasets to work in
Windows 7? 
Would MGO 2.2 fix this issue? 

Any help would be appreciated. 
Thanks, 
-Troy Miller

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