When running the script, Spline with Barriers, a message is returned indicating there was a failure to execute and that Java is not installed. An example of the error returned is below.
This tool requires the Java Runtime Environment Version 5.0, or higher, to be installed.
Solution or Workaround
Download and install the latest free version of the Java Runtime Environment using the link below.
Another option is to open the Desktop Help for this script. There is a link to download the Java Runtime Environment in the first bullet of the Usage Tips.