private void registerCustomFilter(Configuration conf) {
    String[] filterList = conf.getStrings(Constants.CUSTOM_FILTERS);
    if (filterList != null) {
      for (String filterClass : filterList) {
        String[] filterPart = filterClass.split(":");
        if (filterPart.length != 2) {
          LOG.warn("Invalid filter specification " + filterClass + " - skipping");
        } else {
          ParseFilter.registerFilter(filterPart[0], filterPart[1]);
        }
      }
    }
  }
Shutdown any services that need to stop
hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/RESTServlet.java