Basically, the problem is with browsers' caching. For
example, IE will ignore header settings you sent. In
several references you will find methods to set
headers, but they all ignore to recognize that it is
after all the browser that decides and/or ignores.
Back buttons are developers' nightmare.
--- Matt Raible <[EMAIL PROTECTED]> wrote:
> I'm sure many of you have run into these problems
> before:
>
> 1. My form is stored in the session, when the user
> updates, it goes back to a
> list screen, the SaveAction servlet removes the form
> from the session.
>
> PROBLEM: A NullPointerException is thrown when the
> user clicks on the "back"
> button.
>
> 2. When a user saves a form, they return to the
> list screen,
>
> PROBLEM: Another record gets added to the database.
>
> Is there anyway in struts to manipulate the header
> so the back and refresh
> think the last page was the current page? Can I do
> this in the SaveAction
> servlet?
>
> Please offer any workarounds that you have
> implemented in your struts
> applications.
>
> Thanks,
>
> Matt
>
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