zk on pluto portal

[MatteoBordin]

Hello
I am a new pluto users.
I try to insert into pluto portal a zk application.
I used for the first time the zkdemo web application.
I am not able to see the zk portlet inside the portal server.
This is my portlet.xml file:
______________
<portlet-app version="1.0"
xmlns="http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd 
http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd";>
   <portlet>
       <description>ZK loader for ZUML pages</description>
       <portlet-name>zkdemoportletA</portlet-name>
       <display-name>ZK Portlet Loader</display-name>

       
<portlet-class>org.zkoss.zk.ui.http.DHtmlLayoutPortlet</portlet-class>

       <expiration-cache>0</expiration-cache>

       <supports>
           <mime-type>text/html</mime-type>
           <portlet-mode>VIEW</portlet-mode>
       </supports>

       <supported-locale>en</supported-locale>

       <portlet-info>
           <title>ZK</title>
           <short-title>ZK</short-title>
           <keywords>ZK,ZUML</keywords>
       </portlet-info>

       <!-- An example to specify zk_page -->
      
       <init-param>
           <param-name>zk_page</param-name>
           <param-value>index.zul</param-value>
       </init-param>
       <init-param>
           <param-name>config</param-name>
           <param-value>index.zul</param-value>
       </init-param>
       <init-param>
     <name>config</name>
     <value>/WEB-INF/testsuite-config.xml</value>
   </init-param>

       <portlet-preferences>
           <preference>
               <name>zk_page</name>
               <value>index.zul</value>
           </preference>
       </portlet-preferences>

       <security-role-ref>
     <role-name>tomcat</role-name>
     <role-link>tomcat</role-link>
   </security-role-ref>
      
   </portlet>
</portlet-app>
______________

This is the web.xml file
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<servlet-mapping>
       <servlet-name>zkdemoportletA</servlet-name>
       <!-- <url-pattern>/zkdemo/userguide/index.zul</url-pattern> -->
       <url-pattern>/zkdemoportletA/*</url-pattern>
   </servlet-mapping>
   <servlet-mapping>
       <servlet-name>zkdemoportletA</servlet-name>
       <!-- <url-pattern>/zkdemo/userguide/index.zul</url-pattern> -->
       <url-pattern>/userguide/*</url-pattern>
   </servlet-mapping>
<servlet-mapping>
       <servlet-name>zkdemoportletA</servlet-name>
       <!-- <url-pattern>/zkdemo/userguide/index.zul</url-pattern> -->
       <url-pattern>/zkdemo/*</url-pattern>
   </servlet-mapping>

   <servlet-mapping>
       <servlet-name>zkLoader</servlet-name>
       <!-- <url-pattern>/zkdemo/userguide/index.zul</url-pattern> -->
       <url-pattern>/zkLoader/*</url-pattern>
   </servlet-mapping>
   <servlet-mapping>
       <servlet-name>zkLoader</servlet-name>
       <!-- <url-pattern>/zkdemo/userguide/index.zul</url-pattern> -->
       <url-pattern>/userguide/*</url-pattern>
   </servlet-mapping>   

______________

This is the error:
The requested resource (/zkdemo/PlutoInvoker/zkdemoportletA) is not 
available

Could some of you help me?

Thanks
Matteo