Is it OK using session attributes (performance, memory, etc. ), even if you make sure session attributes are removed when no more needed ?
I ALLWAYS use session for form bean and then clean up. I allways use request for read only beans (c:out, display tag, etc.)
And there is a "non-standard" thing I do with formbeans, that is I implement Collection at BaseBean and have a DAO helper. Makes OO much cleaner.
hth, .V
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