web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
         version="3.1">
    <servlet>
        <servlet-name>Faces Servlet</servlet-name>
        <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>*.xhtml</url-pattern>
    </servlet-mapping>
    <!-- Filter for admin dir -->
    <filter>
        <filter-name>AdminDirVisitorDeniedFilter</filter-name>
        <filter-class>com.sample.security.AdminDirVisitorDeniedFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>AdminDirVisitorDeniedFilter</filter-name>
        <url-pattern>/admin/*</url-pattern>
    </filter-mapping>
    <filter>
        <filter-name>AdminDirNotAdminDeniedFilter</filter-name>
        <filter-class>com.sample.security.AdminDirNotAdminDeniedFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>AdminDirNotAdminDeniedFilter</filter-name>
        <url-pattern>/admin/*</url-pattern>
    </filter-mapping>
    <!-- Debugging output -->
    <context-param>
        <param-name>javax.faces.PROJECT_STAGE</param-name>
        <param-value>Development</param-value>
    </context-param>
    <!-- Interval compiler checks for changes at xhtml files
            No need to redeploy to see changes to facelets -->
    <context-param>
        <param-name>javax.faces.FACELETS_REFRESH_PERIOD</param-name>
        <param-value>1</param-value>
    </context-param>
    <session-config>
        <session-timeout>30</session-timeout>
        <!-- Removing jsession id being publicly appended at url -->
        <tracking-mode>COOKIE</tracking-mode>
    </session-config>
    <!-- Setting primefaces' theme to be Bootstrap -->
    <context-param>
        <param-name>primefaces.THEME</param-name>
        <param-value>bootstrap</param-value>
    </context-param>
    <!-- Setting facelets for handling exceptions -->
    <error-page>
        <exception-type>javax.faces.application.ViewExpiredException</exception-type>
        <location>/not-yet.xhtml</location>
<!-- The "not-yet" appears red" and I am getting cannot resolve symbol "not-yet" -->
    </error-page>
</web-app>