The following bug has been logged on the website:
Bug reference: 15656
Logged by: ramakrishnan r
Email address: prakash.ramakrishnan.ap@nielsen.com
PostgreSQL version: 10.4
Operating system: rhel 7.5
Description:
Hi Team,
we are facing in PostgreSQL symbol lookup error and not able to login please
do the needful.
==> export LD_LIBRARY_PATH=$/opt/app/PostgreSQL/10/lib:$LD_LIBRARY_PATH
postgres@sydcosausd001.enterprisenet.org:/home/postgres
==> export LD_LIBRARY_PATH
postgres@sydcosausd001.enterprisenet.org:/home/postgres
==> psql -p 5432
/opt/app/PostgreSQL/10/bin/psql.bin: symbol lookup error:
/opt/app/PostgreSQL/10/bin/psql.bin: undefined symbol:
PQsetErrorContextVisibility
postgres@sydcosausd001.enterprisenet.org:/home/postgres
I just did a fresh install of PG 10.6 on Linux Mint 19.1 Tessa, using the version in the repos:
postgres=# select version();
version
-------------------------------------------------------------------------------------------------------------------------------
PostgreSQL 10.6 (Ubuntu 10.6-0ubuntu0.18.04.1) on x86_64-pc-linux-gnu, compiled by gcc (Ubuntu 7.3.0-16ubuntu3) 7.3.0, 64-bit
(1 row)
I didn't have to do anything with LD_LIBRARY_PATH because I did a default installation. Function PQsetErrorContextVisibility is found here:
/usr/lib/x86_64-linux-gnu/libpq.so.5
If I do "ldd /usr/lib/postgresql/10/bin/psql" the second entry I see is this:
libpq.so.5 => /usr/lib/x86_64-linux-gnu/libpq.so.5 (0x00007f93b7f20000)
So, find where libpq.so.* is installed on your system, and make sure that is on your LD_LIBRARY_PATH. Use ldd to ensure that psql is fully linked to required libraries.