code: @Deprecated
    public int go() throws IOException {
      try {
        return run(argv_);
      }
      catch (Exception ex) {
        throw new IOException(ex.getMessage());
      }
    }
docs: This is the method that actually
  initializes the job conf and submits the job
  to the jobtracker
  @throws IOException
  @deprecated use {@link #run(String[])} instead.