<?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" version="3.0"> <env-entry> <env-entry-name>injectedResource</env-entry-name> <env-entry-type>java.lang.Integer</env-entry-type> <env-entry-value>42</env-entry-value> </env-entry> <filter> <filter-name>HeaderFilter</filter-name> <filter-class>org.eclipse.jetty.servlets.HeaderFilter</filter-class> <init-param> <param-name>headerConfig</param-name> <param-value> set X-Frame-Options: SAMEORIGIN </param-value> </init-param> </filter> </web-app>