Fatal error connecting to Foglight repository database (4316173)

We're performing a new FMS install with an Oracle back-end but the FMS startup fails to connect to the remote database.
Starting the FMS in debug 1 mode still does not show the cause.

Here's some excerpts from the log:

2013-11-05 11:15:30.000 INFO  [native] Log level set to 1 by command line  parameter '-Dquest.debug=1'
..
2013-11-05 11:15:43.339 WARN  [main] org.jboss.system.ServiceController -   Problem starting service com.quest.nitro:service=DatabaseUpgrade
java.lang.Exception: Fatal error connecting to database

Host: my_remote_host.FQDN
  Port: 1521
  Name: olfltst.FQDN
  URL:  null
  User: fogadmin
  AutoCommit: false
  TNS: null
  Direct: true
  IsSid:  true

Remove the full qualified domain name (FQDN) from the SID definition in $FGLHOME/config/server.config.

BEFORE:
server.database.host = "myhost.FQDN";
server.database.name = "olfltst.FQDN";

AFTER:
server.database.host = "myhost.FQDN";
server.database.name = "olfltst";