@Override
          public FileSystem run()
            throws URISyntaxException, IOException, InterruptedException {
            return FileSystem.get(new URI(finalFName), conf);
          }
@return true iff we are sure the file is not there.
hcatalog/webhcat/svr/src/main/java/org/apache/hive/hcatalog/templeton/tool/TempletonUtils.java