エラーです。

$ java -jar jython_installer-2.2.1.jar 
java.lang.NoSuchMethodError: org.apache.commons.cli.Options.setSortAsAdded(Z)V
    at org.python.util.install.InstallerCommandLine.createOptions(Unknown Source)
    at org.python.util.install.InstallerCommandLine.<init>(Unknown Source)
    at org.python.util.install.Installation.internalMain(Unknown Source)
    at org.python.util.install.Installation.main(Unknown Source)

もきー、わからん、CLASSPATHとか?