Hi,
Where my pages show a view of data, I have had to implement caching due to the amount of data that needs to be gathered (i.e., I don't go to the database - I can get away with the dirty read risk in this case).
A page might show:
name group fred red delete john blue delete
where the the details are just read from objects in an arraylist in the session.
If I click delete for the john row, then john is deleted and if I click the browser's refresh button, the request for another delete is defeated by the use of tokens.
There is still a problem though when the user clicks the browser's back button. It somehow finds the old session arraylist with john still in it.
I have tried with and without caching set. The request for the delete is a post.
Is there a standard scheme for coping with this problem? Thanks, Andy
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