[Qgis-user] Opening the same shapefile in QGIS and ArcGIS at the same time is impossible - bug or feature?

Lionel Roubeyrie lroubeyrie at limair.asso.fr
Mon Aug 18 05:53:13 EDT 2008

This feature seems to be ArcGIS based, since the same "problem" appends 
when a .dbf file is opened (in OpenOffice.org or other) and trying to 
access it with ArcGIS.

Frode Hansen a écrit :
> Tried to post here earlier on, trying again:
> A couple of users here are trying out Qgis as an alternativ to ArcGIS. 
> When working on maps and using shapefiles, QGis seems to lock up these 
> files so that ArcGIS cannot access them. I.e. if User 1 adds 
> G:\Lakes.shp into his Qgis session, User 2 on ArcGIS cannot add the 
> file in his session as long as User 1 is still using it. However, if 
> User2 adds the shapefile into his ArcGIS first, User 1 on QGIS CAN add 
> the shapefile into his work.
> I can see how this could be a feature to prevent corrupting files, 
> possibly in cases of parallell edits, but , as can be seen,  ArcMap 
> does not enforce this limitation. Also, we have been using the 
> aforementioned method of having shapefiles (not-supposed-to-be-edited) 
> on our server for years without bad incidents.
> With regards,
> Frode Hansen
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Lionel Roubeyrie - lroubeyrie at limair.asso.fr
Chargé d'études et de maintenance
LIMAIR - la Surveillance de l'Air en Limousin

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