Joanna Xu <Joanna.Xu@xxxxxxxxxx> 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 access the 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
