On Aug 18, 2014, at 5:23 PM, Brian Fehrle <brianf at consistentstate.com> wrote:

> Hi All, 
> 
> I'm trying to get a slony 2.2.3 cluster up and running on postgres 9.3.5, and am running into the below error:
> 
> [postgres at localhost bin]$ ./init_cluster.sh ../etc/slony.cfg
> <stdin>:305: loading of file /usr/pgsql-9.3/share//slony1_base.2.2.3.sql: PGRES_FATAL_ERROR ERROR:  could not load library "/usr/pgsql-9.3/lib/plpgsql.so": /usr/pgsql-9.3/lib/plpgsql.so: undefined symbol: HeapTupleHeaderGetDatum
> ERROR:  could not load library "/usr/pgsql-9.3/lib/plpgsql.so": /usr/pgsql-9.3/lib/plpgsql.so: undefined symbol: HeapTupleHeaderGetDatum
> 
> Some system info:
> cat /etc/redhat-release
> Red Hat Enterprise Linux Server release 6.5 (Santiago)
> (64 bit)
> 
> rpm -qa | grep slony
> slony1-93-2.2.3-1.rhel6.x86_64
> 
> rpm -qa | grep postgres
> postgresql93-devel-9.3.5-1PGDG.rhel6.x86_64
> postgresql93-libs-9.3.5-1PGDG.rhel6.x86_64
> postgresql93-9.3.5-1PGDG.rhel6.x86_64
> postgresql93-contrib-9.3.5-1PGDG.rhel6.x86_64
> postgresql93-server-9.3.5-1PGDG.rhel6.x86_64
> 
> I'm suspecting it's an issue with plpgsql itself, but not quite sure yet, wondering if anyone has seen this recently. 

Any chance you've got more than one set of postgresql packages installed?

What does:

ldconfig /usr/pgsql-9.3/lib/plpgsql.so

return?