code: protected void configureJaasAuthenticationProvider(final AuthenticationManagerBuilder auth,
                                                         final MonitorProperties.Endpoints.JaasSecurity jaas) throws Exception {
          val p = new JaasAuthenticationProvider();
          p.setLoginConfig(jaas.getLoginConfig());
          p.setLoginContextName(jaas.getLoginContextName());
          p.setRefreshConfigurationOnStartup(jaas.isRefreshConfigurationOnStartup());
          p.afterPropertiesSet();
          auth.authenticationProvider(p);
      }
docs: Configure jaas authentication provider.
  
  @param auth the auth
  @param jaas the jaas
  @throws Exception the exception