[postgis-users] PostGIS 1.3.3 on Windows XP Unstable

Paul Ramsey pramsey at cleverelephant.ca
Mon Aug 11 11:44:24 PDT 2008


If it was in general unstable, we would be hearing a lot more noise on
the list. I think you've just lucked into a couple bad/difficult
geometry cases. Your buffer case sounds like the one here:
http://trac.osgeo.org/geos/ticket/188 so hopefully it'll be patched up
in the next release. Your disjoint case is new, perhaps you can find a
pair of geometries that you know exercise it and attach them to an
issue report?


On Mon, Aug 11, 2008 at 10:02 AM, Bresnahan, Mike
<Mike.Bresnahan at bestbuy.com> wrote:
> Hash: SHA256
> I am trying to use PostGIS 1.3.3 with PostgreSQL 8.3 on Windows XP SP2
> and I am having stability problems.
> The first problem I ran into is that calling buffer(the_geom,0) on an
> invalid geometry causes the server to crash with a blown assertion
> ("pts->size() > 1"). This problem was reported here:
>    http://trac.osgeo.org/geos/ticket/187
> The second problem I ran into is a crash when I call st_disjoint() on
> certain geometries. I have been unable to get any further information
> about this crash because the Visual Studio 2008 debugger refuses to
> attach to the crashing process with the message "Invalid security
> context". I tried running postgres.exe as a non-service under my own
> user ID, but I still received the same error.
> Is PostGIS 1.3.3 known to be very unstable on Windows XP? Might I have
> better luck on Linux? I don't have a Linux box available to me atm, so
> it would take some effort to test this question.
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