For patch information for a given component, refer to the Component Release Notes.
In addition, go to SunSolve at http://sunsolve.sun.com. Navigate to the Patch Portal. Click “Recommended Patch Clusters” and choose“Java Enterprise System Component Patches”. You can find the product in which they are looking for patches and click on that product link.
For component specific patches you can go to this site:
Also, apply any recommended Cluster patch before installing or upgrading Java ES 2005Q4. This applies for Solaris OS 8, 9, and 10. The Cluster patch obsoletes any Solaris 8 or Solaris 9 information that might have carried over from Java ES 2004Q2 or Java ES 2005Q1.