Issue
When installing Tableau Server, the installation might fail during the Initialization process with one or both of the following errors:Component::InitError: Unable to init component Components::Wgserver (1 of 13): RuntimeError: The driver encountered an unknown error: org.postgresql.util.PSQLException: Connection refused. Check that the hostname and port are correct and that the postmaster is accepting TCP/IP connections.
Or:
The driver encountered an unknown error: org.postgresql.util.PSQLException: Connection refused. Check that the hostname and port are correct and that the postmaster is accepting TCP/IP connections.