Cocoon 2.2 Samples Setting MultipartFilter Max Upload Size

[Patrick Refondini]

Using cocoon-samples.war I try to set up the max upload size.
Looking at the source I thought the right place to do it is in the 
o.a.c.servlet.multipart.MultipartFilter thus in web.xml :

  <filter>
    <filter-name>CocoonMultipartFilter</filter-name>
    <display-name>Cocoon multipart filter</display-name>
    <description>Multipart MIME handling filter for Cocoon</description>
<filter-class>org.apache.cocoon.servlet.multipart.MultipartFilter</filter-class>

Added this:
>>>>
    <init-param>
      <param-name>maxUploadSize</param-name>
      <!-- Expect to set up 200M -->
      <param-value>200000000</param-value>
      <description>Set the size limit for uploaded files.</description>
    </init-param>
<<<<
  </filter>

It does not work. Any hint welcome.

I use cocoon-samples.war built from latest cocoon_trunk deployed in 
Tomcat 5.5.20 container.
I have been able to change the max upload size for the same webapp using 
maven jetty plugin in the command line like:
mvn -Dorg.apache.cocoon.uploads.maxsize=200000000 jetty:run

TIA,

Patrick