private Integer getInteger(final HttpServletRequest req, final String param, final Integer defaultValue) {
    final String value = req.getParameter(param);
    if (value != null) {
      try {
        return Integer.valueOf(value);
      } catch (NumberFormatException e) {
        return defaultValue;
      }
    }
    return defaultValue;
  }
Get the path of the profiler script to be executed.
Before async-profiler 3.0, the script was named profiler.sh, and after 3.0 it's bin/asprof
@return
common/src/java/org/apache/hive/http/ProfileServlet.java