Posted too soon,
It appears that my system had the wrong version of java on the path first so it was picking up an earlier one. Modifying the batch script to explicitly point to the 1.6 runtimes allowed the program to start without issue.
Posted too soon,
It appears that my system had the wrong version of java on the path first so it was picking up an earlier one. Modifying the batch script to explicitly point to the 1.6 runtimes allowed the program to start without issue.