I tried making a windows-explorer tree using a richfaces:tree... At first I tried storing my tree state in conversation context, but then I had bugs because the richfaces tree would not always pass the correct conversation context when clicking on nodes. So then I stored my tree state in the session... but then I got LazyInitializationExceptions. So then I tried using the unseamly approach of using a session-scoped entityManager. But then I had various of other bugs with the tree, and it was really slow... so then I got rid of it and decided to display my tree structure using regular html links. No bugs, and much faster. This was with richfaces 3.0.1 though... I saw that they made improvements in 3.1.0 (like recursiveTreeNodeAdapter) but my experience with with the 3.0.1 was so buggy and slow I don't want to try it again.
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