[postgis-users] PostGIS non functional on Ubuntu 14.04

Luís de Sousa luis.a.de.sousa at gmail.com
Fri Jul 25 01:03:24 PDT 2014

Dear all,

I have the following packages installed on Ubuntu 14.04 (all fetched
with apt from the repositories):
. postgresql-9.3
. postgresql-9.3-postgis-2.1
. libgeos-3.4.2

When I try to add the PostGIS extension to a database I get following message:

$  psql pg_testing -c "create extension postgis"
ERROR:  could not load library
/usr/lib/liblwgeom-2.1.3.so: undefined symbol:

I have posted full package details at GIS.SE:

Apparently, there is some mismatch between libgeos and postgis. But I
have the exact same versions indicated in the compile guide at the

Any advice on how to get PostGIS running is welcome. Thank you,


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