I ran into the same issue Jonathan mentioned the other day with wysiwyg/wiki editor after applying servlet mapping changes etc to get 'Short URLs' working. There appears to be 2 solutions, one is that you have to adjust servlet mappings for all directories & .js files at the top level (*.js, tiny_mce, wiki_editor, yui) in order for everything to play nice together. A work around I've found if you don't want to do that (or have easy access to it) is that everything does appear to work if you move those directories under /skins/ & adjust the references to those files, in javascript.vm & editwysiwyg.vm (there may be a couple other references ...) I'm using a custom skin built on top of the defaults, which has the advantage that I can have my own versions of those files & not have to worry about changing paths to those js libraries in the default skin files upon future upgrades. I'm undecided which the better method is (servlet mapping vs. moving those dirs), but in either case, this might be good info to add to the Short URL instructions - unless Jonathan & I are the only ones who have encountered this , in which case, not sure where we went wrong in our respective configurations :-) Incidentally, the adaptation of XWiki I'm working on is a pilot product for www.boston.com (http://www.boston.com/yourtown/wiki/Newton/ - not quite ready for prime time however ;-) as we get it more solidified I'll be happy to share with the XWiki community & get more involved - specifically I may be able to contribute some tips & tricks & shortcuts to the custom skin documentation ... Best, Ricky Brennan rbrennanjr(a)boston.com