[pgrouting-users] "procedure could not be found" when enabling pgRouting

Chintan Pathak cp84 at uw.edu
Mon Dec 28 23:08:55 PST 2020

Hi David,

By the looks of it, your pgRouting binary seems to be for Postgres 9.6.
This location (https://winnie.postgis.net/download/windows/pg13/buildbot/)
seems to have the experimental pgRouting and PostGIS build for PG13.



On Mon, Dec 28, 2020 at 3:30 AM David Lawrence Epstein <
davideps at tauex.tau.ac.il> wrote:

> Hi Folks,
> I would like to add pgRouting to an existing installation (PostgreSQL =
> 13.0 64-bit (build 1914) and PostGIS = 3.0). I backup up my database
> using pgdump and downloaded Winnie pgRouting Experimental Build pgrouting-pg96-binaries-3.0w64gcc81.
> I copied the folders to the existing installation and overwrote. After
> rebooting, PostgreSQL started again and my database works as before. Since
> I already have PostGIS enabled, I just issued "CREATE EXTENSION
> pgrouting;" in a pgadmin4 query window. I received this error:
> ERROR:  could not load library "C:/Program
> Files/PostgreSQL/13/lib/libpgrouting-3.1.dll": The specified procedure
> could not be found. SQL state: 58P01
> I see the file libpgrouting-3.1.dll in C:/Program
> Files/PostgreSQL/13/lib/. What procedure cannot be found? How can I
> enable pgRouting?
> Thank you,
> -david
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> Pgrouting-users at lists.osgeo.org
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