How to use standalone portlets in weblogic 8.1

I have a pageflow that is pretty simple.
It begins by forwarding the user to index.jsp that contains a hyperlinked list of available reports.
When the user clicks on one of the hyperlinked reports, I would like it to forward to an action that initializes that report which in turn forwards to a jsp that opens a new popup window without any look and feel (just a plain white window) and renders the report inside of that window. I would like all of my previously set pageFlow variables to be available within that window.
From what I have gathered this is called a "standalone" portlet and there is a jsp tag and also a java class that can be used to accomplish this.
However, I have not had luck with either of these. When I used the JSP tag it opens the portlet in a new window without the look and feel as expected, but the portlet state is "reset", all page flow variables are reset, and the pop up window restarts at the "begin" action and re-displays the hyperlinked list of available reports. When I try to use the StandalonePortletURL class I get a Null Pointer Exception whenever I try to create the URL like this StandalonePortletURL.createStandalonePortletURL(getRequest(), getResponse()).
The only work-around I have found is to first set the variables I need access to in the session and then manually redirect to the JSP outside of the page flow. When I do this I lose all access to the pageFlow variables so I have to refer back to the session to access the variables I need. This works but seems really sloppy and cumbersome.
Appreciate any help. Thanks.
Edited by: user6093557 on Mar 5, 2011 12:58 PM

Did you manage to get this working?
If yes ... what did you do?
I am having the same problem implementing commons-logging with log4j

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