private String jettyXmlPath() throws Exception {
    String path = MAIN_CLASS.toURI().getSchemeSpecificPart();
    String defaultJettyXml = new URL("jar:" + path.replace(MAIN, "/jetty.home/etc/jetty.xml")).toString();
    return System.getProperty("ccrb.jetty.xml.config", defaultJettyXml);
  }