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

David W. Smiley dsmiley at mitre.org
Thu Aug 31 12:00:48 PDT 2000

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

-- David Smiley

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