In struts Can't display dynamic content using "include"?

Hi everyone:
I am using struts1.1. I have a index.jsp and it have a hyperlink "<html:link forward="show">Show All forum</html:link>". In my struts-config.xml there is a element:"
<global-forwards>
<forward name="show" path="/jsp/allarticle.jsp"/>
<forward name="oneforum" path="/article.jsp"/>
          <action path="/article" type="lyo.hotmail.bbs.lovearticle.Savelovearticle" input="/jsp/error.jsp">
          <forward name="success" path="/jsp/loveforum.jsp"/>
</action>
I want that the index.jsp will redirect to allarticle.jsp when user click the hyperlink "Show All forum".
In the allarticle there is a hyperlink "<html:link forward="oneforum">one forum</html:link>"
The Savelovearticle is an Action class and it disply all the data from database.I using "if(list!=null){
          session.setAttribute("listtable",list);
     }".I display all the content using "<logic:iterate id="love" name="listtable">
" tag in allarticle.jsp.
But the Tomcat report error "can't find listtable in any scope"?
The problem is if I change the struts-config.xml to:
////////////////////////after change///////////////////////////////////////////
<global-forwards>
<forward name="show" path="/article"/>
<forward name="oneforum" path="/article.jsp"/>
          <action path="/article" type="lyo.hotmail.bbs.lovearticle.Savelovearticle" input="/jsp/error.jsp">
          <forward name="success" path="/jsp/loveforum.jsp"/>
</action>
It will display all the content successfully.Why?
Whether because that the Action is a servlet so it must retrieve a request directly.My first code don't send the request to the servlet other than send the request to a jsp page.The jsp page can't send the same request to the servlet so the error happened.right?
How do I fix it?Thks :(

You want to be using <html:link forward="YOUR_FORWARD"> only when you want to forward to static elements and not elements that require actions. So in index.jsp, since you just want to forward to a static jsp page (allarticle.jsp), you can use
<html:link forward="show">Show All forum</html:link>But since you want your "one forum" link to populate a session attribute BEFORE loading /jsp/loveforum.jsp, you need
<html:link action="article">one forum</html:link>The reason it's not working now is because you're accessing a session attribute that isn't populated becuase you link to the page statically and it never gets the value of "list" actually stored in the session.
The reason it works when you change your forward element is because it calls the action that saves "list" into your session.

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