For me, the key was at the very end of my last post - the flow needs to have an ID. If it doesn't, the editor chokes when you re-open the file. -- View this message in context: http://drools.46999.n3.nabble.com/BPMN-editor-not-working-tp3182776p3361784.html Sent from the Drools: User forum mailing list archive at Nabble.com.