@Override
  public void init(ServletConfig config) throws ServletException {
    super.init(config);
    if (Boolean.valueOf(config.getInitParameter("show-jvm-metrics"))) {
      this.jvmServlet = new JVMMetricsServlet();
      this.jvmServlet.init(config);

      this.jvmUri = DEFAULT_JVM_URI;
    }
  }