Using Query String Parameters with Session Scoped bean

Question

I would like to pass query string parameters from a product page (user clicks on a specific product commandLink) that is request scope to a details page that is session scoped.
The problem is that the session scoped page only handles the first request. If you view the details of a product and then navigate back to the product page and choose another product ... the details page will not handle the new query string parameters and display the details for the first product chosen.
Is there a way to make the session scoped bean recognize the query string parameters past the first request?

Answer 1

I was able to replicate this problem with a very simple app that performs a redirection... just like the real app. Here's the simple app that I put together:
From request scope page:
<f:view>
         <h:form>
           <h:commandButton value="Link 1" action="#{reqbean.Link1}"/>
           <br/><br/>
          <h:commandButton value="Link 2" action="#{reqbean.Link2}"/>
        </h:form>
       </f:view>
From request scope bean:
public String Link1() throws IOException
    // Add event code here...
    //redirect the user
    FacesContext.getCurrentInstance().getExternalContext().redirect("untitled2.jspx?p=1");
    return null;
  public String Link2() throws IOException
    // Add event code here...
    //redirect the user
    FacesContext.getCurrentInstance().getExternalContext().redirect("untitled2.jspx?p=2");
    return null;
  }At this point... I put a println in the constructor of the session scoped bean because this is where I want to get the query string params. The constructor only gets called the first time a redirect is performed.