For the current list of required patches for Sun Java System Application Server Platform Edition 9 go to http://sunsolve.sun.com and select Patches and Updates. Follow the Sun Java System Application Server Platform Edition 9 links. As operating system patch requirements change and patches to Java Enterprise System components become available, updates will be made available on SunSolve, initially in the form of recommended patch clusters.
It is recommended that Solaris 9, 10 (x86, SPARC) users have the “Sun recommended patch cluster” installed. This patch cluster is available under “Recommended and Security Patches” on the SunSolve Web site.