[jdom-interest] How to "crash" JDOM, part 1

[David W. Smiley]

trebor.a.rude at lmco.com wrote:
> 
>         The existing implementation of addContent() already checks if
> isRootElement is true, and won't allow the add if it is (unfortunately, adds
> via the PartialList check neither condition and may well be used to create
> all sorts of messed up trees, gotta make sure that gets fixed once we decide
> the extent of the fix needed), so it shouldn't be possible to add the root
> node as a child of any other Element in the tree. So again it looks like all
> that is needed is a quick check for self-reference to prevent loops. Any
> other cases?

  isRootElement will be false if you have a tree that is not part of a
document.  This happens when you create an element, clone one, or remove
one.

-- David Smiley