On Wed, 11 Aug 2021 at 07:37, Amit Kapila <amit.kapil...@gmail.com> wrote:

> On Wed, Aug 11, 2021 at 4:57 PM Dave Cramer <davecra...@gmail.com> wrote:
> >
> > On Wed, 11 Aug 2021 at 07:24, Amit Kapila <amit.kapil...@gmail.com>
> wrote:
> >>
> >> On Wed, Aug 11, 2021 at 1:18 AM Dave Cramer <davecra...@gmail.com>
> wrote:
> >> >
> >> > Reviving this thread
> >> >
> >> > 2021-08-10 19:05:09.096 UTC [3738] LOG:  logical replication apply
> worker for subscription "sub_mycluster_alltables" has started
> >> > 2021-08-10 19:05:09.107 UTC [3739] LOG:  logical replication table
> synchronization worker for subscription "sub_mycluster_alltables", table
> "t_random" has started
> >> > 2021-08-10 19:05:12.222 UTC [3739] LOG:  logical replication table
> synchronization worker for subscription "sub_mycluster_alltables", table
> "t_random" has finished
> >> > 2021-08-10 19:05:14.806 UTC [3738] ERROR:  could not receive data
> from WAL stream: ERROR:  publication "sub_mycluster_alltables" does not
> exist
> >> >         CONTEXT:  slot "sub_mycluster_alltables", output plugin
> "pgoutput", in the change callback, associated LSN 0/4015DF0
> >> > 2021-08-10 19:05:14.811 UTC [175] LOG:  background worker "logical
> replication worker" (PID 3738) exited with exit code 1
> >> >
> >> >
> >> > select * from pg_publication;
> >> > -[ RECORD 1 ]+------------------------
> >> > oid          | 16415
> >> > pubname      | sub_mycluster_alltables
> >> > pubowner     | 10
> >> > puballtables | t
> >> > pubinsert    | t
> >> > pubupdate    | t
> >> > pubdelete    | t
> >> > pubtruncate  | t
> >> >
> >>
> >> By any chance, did you dropped and recreated this publication as
> >> mentioned in your first email? If so, I think this can happen because
> >> of our use of historical snapshots to consult system catalogs.
> >
> >
> > In this case, no.
> >
> > I am suspecting this error comes from pgoutput though.
> >
>
> I think it is and the context is generated via
> output_plugin_error_callback. Is this reproducible for you and if so,
> can you share a test case or some steps to reproduce this? Does this
> work and suddenly start giving errors or it happens the very first
> time you tried to set up publication/subscription? I think some more
> details are required about your setup and steps to analyze this
> problem. You might want to check publication-side logs but not sure if
> get any better clue there.
>

In this case I am the messenger. I will try to get a repeatable test case.

Dave

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