JDK or JSE install via Plesk

[pran]

Hi folks. I have a WAR file that requires Tomcat and JDK/JSE to run. How do I install the JDK or JSE inside a Virtuozzo VPS without breaking Plesk? Can't find the package using Plesk's package repository.

I'm using CentOS 5.x template with Plesk 8.4.

Thanks!