[postgis-users] Invalid Geometry problem (Paul Ramsey)

[Brian Peschel]

On 11/06/2012 02:00 PM, postgis-users-request at lists.osgeo.org wrote:
> You may have to upgrade to 1.5 (or perhaps just the latest 1.4
> release) to get around an overly strict set of rules around geometry
> validity that had a brief reign in the 1.4 series. The rules included
> things like not accepting unclosed rings (fine) and not emitting
> unclosed rings (whoa, nelly, that's a bit too strict).
>
> P.
>
> On Mon, Nov 5, 2012 at 12:16 PM, Brian Peschel <brianp at occinc.com> wrote:
>> I am having a problem that I can't explain.
>>
>> I have a 2 node Slony DB system.
>> Node 1: Ubuntu 10, Postgres 8.4.13-0ubuntu10.04, PostGIS 1.4.0-2, libgeos
>> 3.1.0-1
>> Node 2: Ubuntu 10, Postgres 8.4.3-1, PostGIS 1.4.0-2, libgeos 3.1.0-1
>>
<snip>

I am using the same version of PostGIS on both nodes which is why this 
surprised me so much.  I am using different version of Postgres (8.4.3 
vs 8.4.13) which I wouldn't expect to be a problem, but I am willing to 
point my finger there. :)

- B