Re: shutdown Postgres (standby) host causing timeout on other servers in replication

Joanna Xu <Joanna.Xu@amdocs.com> writes:
> We have PostgreSQL master-slave replication configuration with 4 servers.
> After shutting down one standby server, we found below errors on all other 3 servers and the applications couldn't
accessthe database due to the timeout. 
> DAO-00002 datasource connection failure:Time out waiting for a DefaultDataSource
> ERROR SQLException code: 0 SQLState: null

There's no such error message, indeed nothing about "DefaultDataSource"
at all, in the community Postgres code.  I guess it's coming from some
extension or maybe some client-side replication logic.  I suggest
finding where it's coming from and then asking the appropriate authors.

            regards, tom lane