For the platforms that are supported for this web container, see Platforms Supported For OpenSSO Enterprise 8.0 in Sun OpenSSO Enterprise 8.0 Release Notes.
Download location: http://www.oracle.com/technetwork/indexes/downloads/index.html
OpenSSO Enterprise supports Web Server 7.0 Update 3 only. Web Server 7.0 Update 1 and Web Server 7.0 Update 2 are not supported.
Web Server 7.0 Update 3 Documentation Center in the following collection: http://docs.sun.com/coll/1653.3
Using the Web Server 7.0 administration console or CLI, set the JVM heap size option from the default -Xms128M -Xmx256M to -Xms256M -Xmx512M.