Installtion of Java plugins 1.2 on Solaris 8 fails

During isntallation of the latest Java Solaris Plugins, production version, on Solaris 8 the following error message is being generated:

Java Plug-in
(sparc) 10.1.2.2,REV=1999.12.06.10.02
Copyright 1999 Sun Microsystems, Inc. All rights reserved.
## Executing checkinstall script.
checkinstall: Error: This installation is intended for an earlier version of Solaris.
pkgadd: ERROR: checkinstall script did not complete successfully

Installation of <SUNWj2pi.2> failed.
No changes were made to the system.

This error is coming from checkinstall script since the defaults are given as:
REL_LIMIT="5"
REV_LIMIT="7"


Please, provide a solution for Solaris 8 installation of Java Plugins 1.2.