Java to JavaScript Communication is broken on NS 6.1

Platform : Windows
Browser : NS 6.1

Steps to Reproduce

On a windows machine , Install the J2SE for merlin build 72 from :
/net/sqesvr/deployment3/merlin/beta/win.b72/

 2.) go to the below link and execute the testcases
http://sqesvr.eng.sun.com/deployment1/ws/doc/proc/JPI_OJI.html

3.) Look for Field tests and Method Tests.

4.) The tests are throwing JavaScript exceptions in the Javascript console and are not loading any tests.