Re: Errror when trying to create a logical replication slot

FYI, we resolved this issue. The problem was having pg_show_plans listed in shared_preload_libraries. We removed pg_show_plans from the shared_preload_libraries and we were able to successfully create the logical replication slot.

Craig
On Dec 16, 2020, 3:20 PM -0700, Craig Jackson <crajac66(at)gmail(dot)com>, wrote:
> Hi All,
>
> We get the following error when trying to test creating a logical replication slot in Postgres version 11.9
>
> >SELECT * FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
> ERROR: cannot create logical replication slot in transaction that has performed writes
>
> We are running the above command from psql and have tried issuing a rollback prior to running the command but still get the same error.
>
> We have the following settings enabled:
>
> >show wal_level;
>  wal_level
> -----------
>  logical
>
> >show max_replication_slots;
>  max_replication_slots
> -----------------------
>  25
>
> Any suggestions on what may be causing the above error are appreciated.
>
> Regards,
>
>
> Craig Jackson