S2: how to go back and populate values the user input

[panpan <xi...@yahoo.com>]

Hi all, thank you for any helps. I'm new to struts2. I just got the below
problem. 

In the first page, the user inputs the values in the fields which is a List
variable additionalInterests from the Action. 
In the second page, I have a link "go back" which goes back to the first
page to repopulate the values the user just typed.  But when I click the
button, the Action is a new initianized one. All the values are gone. 

I'm thinkging about putting the List variable to Session scope. But in the
JSP page, the field's name has to changed to
#seesion.additionalInterests[0].firstname . I don't know in this way, does
Action will recognize the variable and automatically put the value into the
additionalInterests like without #session in front of it.

Appreaciate any inputs.

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