Java EE (Java Enterprise Edition) General Discussion

Hello,

I want to use JSF with facelets and tomahawk...
I have a standard facelets configuration like the demo on their website...

But at the moment, there is a tomahawk component in one of the pages I get the following error:
java.lang.IllegalStateException: ExtensionsFilter not correctly configured. Resource mapping missing. Resources cant be delivered. Please see: http://myfaces.apache.org/tomahawk/extensionsFilter.html

I googled the entire internet (two times), but nothing helps...

I'm using Glassfish v2.1
My 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_2_5.xsd"
         version="2.5">

    <welcome-file-list>
        <welcome-file>welcome.jsp</welcome-file>
    </welcome-file-list>

    <context-param>
        <param-name>javax.faces.DEFAULT_SUFFIX</param-name>
        <param-value>.xhtml</param-value>
    </context-param>


    <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>*.jsf</url-pattern>
    </servlet-mapping>

    <filter>
        <filter-name>MyFacesExtensionsFilter</filter-name>
        <filter-class>org.apache.myfaces.webapp.filter.ExtensionsFilter</filter-class>
        <init-param>
            <param-name>maxFileSize</param-name>
            <param-value>20m</param-value>
        </init-param>
    </filter>

    <filter-mapping>
        <filter-name>MyFacesExtensionsFilter</filter-name>
        <servlet-name>Faces Servlet</servlet-name>
    </filter-mapping>


    <error-page>
        <error-code>500</error-code>
        <location>/errors/fatal.jsf</location>
    </error-page>
</web-app>

It didn't work with the JSF RI or MyFaces.

Hoping, somebody could help me.