Josef Machytka <josef.machytka@xxxxxxxxx> writes: > I am implementing logical replication and today during some final tests > before implementing it to the production I have got this error when logical > replication slot on master was created. > NOTICE: 2019-01-28 09:08:22.081007+00: logical replication slot xxxxx does > not exist - creating... > ERROR: snapshot reference 0x55a52a898340 is not owned by resource owner > TopTransaction > CONTEXT: SQL statement "SELECT pg_create_logical_replication_slot('xxxxx', > 'pgoutput')" That's definitely a bug. Are you on the latest minor release of whichever release series you're using? (And which one is that?) If it is latest, please see if you can make a self-contained test case that triggers this. regards, tom lane