Weblogic struts portlet problem

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portlet

I have a problem while i am trying to run a simple weblogic struts portlet:
-How it runs :
an action forwards u to "index" page which contains 2 text box and a button to submit it on the same action which loads the same page and gets both values from text boxes and show those values you already typed in the page.

-Expected output:
the same page appears + the 2 values from the textboxes .

-Actual output:
only the title of the portlet appear and remember that it appeared normally before submitting those values.

anybody can help ?