private Document createWebXmlDoc(final InputStream webXml) throws Exception {
    Document doc;
    final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    final DocumentBuilder builder = factory.newDocumentBuilder();
    doc = builder.parse(webXml);

    return doc;
  }
The main entry point for processing

@throws Exception if any errors occur.
extensions/geode-modules-session/src/main/java/org/apache/geode/modules/session/installer/Installer.java