> bench=# fetch hcur;
> server closed the connection unexpectedly
> This probably means the server terminated abnormally
> before or while processing the request.
> The connection to the server was lost. Attempting reset: Succeeded.
> Now in the standby log I see:
> FATAL: terminating connection due to conflict with recovery
> DETAIL: User query might have needed to see row versions that must be
> removed.
> HINT: In a moment you should be able to reconnect to the database and
> repeat your command.
> However this is not transmitted to the standby user's session, so
> leaving an unhelpful message about why the session got killed.
Please check to see if commit db6e8e162 fixes this.
regards, tom lane