OpenSolaris 2008.11 support has been provided in Web Server Update 4 release, OpenSolaris 2008.11 is the latest release of OpenSolaris Operating System, a powerful, secure, stable, highly scalable, and complete operating environment for users, developers, and deployers.
For installing the Sun Java System Web Server 7.0 Update 4 or higher in the OpenSolaris OS, you must install the following additional IPS packages from the repository:
SUNWpkgcmds
SUNWmfrun
java-dev