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<div class="moz-forward-container">Thanks for the response Tom, but
could you be a bit more specific? <br>
<p>What do you mean with "Same problem with qgis"? Do you mean
you've also encountered a "undefined symbol: GEOSMakeValid"
error related to the "postgis-3.so" library when trying to use
some tool in QGIS?</p>
<p>I have installed PostgreSQL 12 and PostGIS 3.0.1 via Synaptic
on Ubuntu 20.04 (Focal) and use CREATE EXTENSION (via pgAdmin4),
when I encounter the error.<br>
</p>
<div class="moz-cite-prefix">Marco</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">Op 13-5-2020 om 14:40 schreef Tom van
Tilburg:<br>
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<blockquote type="cite"
cite="mid:CAP3PPDgbfHUJbBCjWzRBE-HqFY+P--8zdSLw_+05H0=8OGqeGg@mail.gmail.com">
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<div dir="auto">Same problem with qgis</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Wed, 13 May 2020, 11:14
Marco Boeringa, <<a href="mailto:marco@boeringa.demon.nl"
moz-do-not-send="true">marco@boeringa.demon.nl</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">Hi all,<br>
<br>
Is there someone who can confirm they have been able to
install PostGIS <br>
3.0.1 via the official APT repository?:<br>
<br>
<a href="https://wiki.postgresql.org/wiki/Apt"
rel="noreferrer noreferrer" target="_blank"
moz-do-not-send="true">https://wiki.postgresql.org/wiki/Apt</a><br>
<br>
After using the Synaptics Package Manager to install the
three packages <br>
involved <br>
("postgresql-12-postgis-3"/"postgresql-12-postgis-3-dbgsym"/"postgresql-12-postgis-3-scripts"),
<br>
and subsequently trying to create the PostGIS extension in
pgAdmin4, I <br>
get the following error:<br>
<br>
ERROR: could not load library
"/usr/lib/postgresql/12/lib/postgis-3.so": <br>
/usr/lib/postgresql/12/lib/postgis-3.so: undefined symbol:
GEOSMakeValid<br>
<br>
I have been trying different things to fix this for past two
days <br>
including re-install, but to no avail. I have also attempted
to include <br>
the UbuntuGIS repository as a potential alternative resource
of PostGIS <br>
packages, but discovered the UbuntuGIS repository is lagging
behind and <br>
doesn't yet have packages for 20.04LTS.<br>
<br>
Marco<br>
<br>
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