Hi, A small update: Given that everything points to a strange xml config of my pc, I just installed a new eclipse 3.3.1.1 (emf with update manager), an apache UIMA 2.2.0 on a random student pc (java 1.6.0_02 was installed). But still get the same Exception. Greetings Peter -- Peter Klügl mailto:pkluegl@ki.informatik.uni-wuerzburg.de http://ki.informatik.uni-wuerzburg.de/~pkluegl Applied Informatics and Artificial Intelligence University of Würzburg