anonymous wrote : jBPM swallows the StaleObjectStateException causing the calling code not to notice that the operation failed. Afaik, that can be configured in jBPM 3.2.3. Please have a look in the docs @Chessplayer.... I meant to start a new discussion on this 'lost updates' thing (detecting it, throwing errors, leaving as is...). The discussion was held years ago, so reviving is it is hard (old sourceforge forum). I'll draw something up in the weekend to start it. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4163794#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...