How to resolve a Database server not found error - 10.x
Symptoms
One or more SQL Macro returns the following error:
org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory
Cause
The application server is unable to attach to the Host IP or resolve the IP via DNS.
Resolution
Check your application server (server.xml) configuration and ensure that the DNS host name is valid on the server running Confluence.