Hi All,

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

What could be the cause of the errors?  Would anyting be helpful to prevent it 
from happening?

Thank you for the help!

Cheers,
Joanna Xu
DB Specialist | Amdocs OPEN NETWORK

+1 613 595 5234 (office)
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