private void preConfigure() {
   // Jython sys.path
   String dataPackDirForwardSlashes = SCRIPT_FOLDER.getPath().replaceAll("\\\\", "/");
   String configScript = "import sys;sys.path.insert(0,'" + dataPackDirForwardSlashes + "');";
   try {
     this.eval("jython", configScript);
   } catch (ScriptException e) {
     _log.fatal("Failed preconfiguring jython: " + e.getMessage());
   }
 }