public static void addCacheFiles(List<String> args, AppConfig appConf) {
    String overrides = appConf.overrideJarsString();
    if (overrides != null) {
      args.add("-files");
      args.add(overrides);
    }
  }
Add files to the Distributed Cache for the controller job.
hcatalog/webhcat/svr/src/main/java/org/apache/hive/hcatalog/templeton/LauncherDelegator.java