How to prevent duplicate entries while refreshing?

Question

I have an index.jsp page where I have a form where the user enters some data that gets stored in the database using a Controller servlet.

I want to disp

Answer 1

I think PRGP (Post Redirect Get Pattern) is the way to go for this. If you're using Spring Web Flow it has a FlashScope where you can put the data that you want to be retained after the Post-get-redirection. You can retain more than just an edit Id using this approach.