tests/test-webapps/test-proxy-webapp/src/main/webapp/WEB-INF/web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app 
   xmlns="http://java.sun.com/xml/ns/javaee" 
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
   metadata-complete="false"
   version="3.0"> 

  <display-name>Transparent Proxy WebApp</display-name>
 
  <servlet>
    <servlet-name>XrefTransparentProxy</servlet-name>
    <servlet-class>org.eclipse.jetty.proxy.ProxyServlet$Transparent</servlet-class>
    <init-param>
      <param-name>proxyTo</param-name><param-value>http://download.eclipse.org/jetty/stable-9</param-value>
    </init-param>
    <init-param>
      <param-name>hostHeader</param-name><param-value>download.eclipse.org</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
    <async-supported>true</async-supported>
  </servlet>
  
  <servlet-mapping>
    <servlet-name>XrefTransparentProxy</servlet-name>
    <url-pattern>/xref/*</url-pattern>
  </servlet-mapping>
  
  <servlet>
    <servlet-name>JavadocTransparentProxy</servlet-name>
    <servlet-class>org.eclipse.jetty.proxy.ProxyServlet$Transparent</servlet-class>
    <init-param>
      <param-name>proxyTo</param-name><param-value>http://download.eclipse.org/jetty/stable-9</param-value>
    </init-param>
    <init-param>
      <param-name>hostHeader</param-name><param-value>download.eclipse.org</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
    <async-supported>true</async-supported>
  </servlet>
  
  <servlet-mapping>
    <servlet-name>JavadocTransparentProxy</servlet-name>
    <url-pattern>/apidocs/*</url-pattern>
  </servlet-mapping>

</web-app>