There is a work around for this issue with JDOM, which then solves the
problem for ROME

Place xercesImpl-x.x.x.jar in war/WEB-INF/lib

See http://code.google.com/p/googleappengine/issues/detail?id=1367 Many
people copy more than xercesImpl or libraries that contain xerces (e.g.
some distributions of xalan), however xercesImpl is all you need.
bug fixed: Post2WP.java req.getParameter "content"->"description"