title: XPathFactory#newInstance() failed to create an XPathFactory for the default object model error after migrating to Java 8 on Google App Engine
body: <p>After migrating to Java 8 you may see this error:</p>
  
  <pre><code>javax.servlet.ServletException: java.lang.RuntimeException: XPathFactory#newInstance() failed to create an XPathFactory for the default object model
  </code></pre>