tobago and pluto portlet issue

[Nicolas Kalkhof]

hi folks,

iŽm not quite sure if this is supposed to work at all. iŽve desperatly tried to 
make a simple tobago hallo world applet to work in a pluto portlet. so far i 
was successful with tomahawk. but tobago doesnŽt work at all. all i get is this:

Error rendering portlet.
java.lang.ClassCastException: org.apache.pluto.internal.impl.RenderRequestImpl
        at 
org.apache.pluto.core.PortletServlet.dispatch(PortletServlet.java:192)
        at org.apache.pluto.core.PortletServlet.doGet(PortletServlet.java:139)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
        at 
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
        at 
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
        at org.apache.pluto.core.PortletInvoker.invoke(PortletInvoker.java:169)
        at org.apache.pluto.core.PortletInvoker.render(PortletInvoker.java:111)

pluto is 1.1-dev tobago is 1.07(also tried 1.08 spanshot) and the portal 
bridges are version 1.0. my web.xml looks like this:

 <filter>
   <filter-name>ExtensionsFilter</filter-name>   
<filter-class>org.apache.myfaces.tobago.webapp.TobagoMultipartFormdataFilter</filter-class>
  </filter>
   
  <filter-mapping>
    <filter-name>ExtensionsFilter</filter-name>
    <servlet-name>org.apache.pluto.core.PortletServlet</servlet-name>
  </filter-mapping>  
  <filter-mapping>
    <filter-name>ExtensionsFilter</filter-name>
    <url-pattern>/pluto/portal/*</url-pattern>
  </filter-mapping> 
    
  <!-- servlet parameters -->
  <servlet>
    <servlet-name>UserProfilePortlet</servlet-name>
    <servlet-class>org.apache.pluto.core.PortletServlet</servlet-class>  
    <init-param>
      <param-name>portlet-name</param-name>
      <param-value>UserProfilePortlet</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>
  
  <servlet>
    <servlet-name>ResourceServlet</servlet-name>
    
<servlet-class>org.apache.myfaces.tobago.servlet.ResourceServlet</servlet-class>
  </servlet> 
  
  <!-- servlet mappings -->
  <servlet-mapping>
    <servlet-name>UserProfilePortlet</servlet-name>
    <url-pattern>/PlutoInvoker/UserProfilePortlet</url-pattern>
  </servlet-mapping>   
  
  <servlet-mapping>
    <servlet-name>ResourceServlet</servlet-name>
    <url-pattern>/org/apache/myfaces/tobago/renderkit/*</url-pattern>
  </servlet-mapping> 

any help is very much apprechiated.

regards,
nicolas
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