A small reminder to myself that a default installation of CentOS 5.3 does not, by default, include the Compat packages. The effect this has on Web Server is an installation that appears to have succeeded (bits are laid down on disk), but is completely unconfigured (no default instance or Admin instance are created). Re-running the installation and actually reading the screens shows an error:
Product Status Information
1. Sun Java System Web Server Configuration Failed View log file
Looking at the error logs shows this: