Maciej Swiderski [http://community.jboss.org/people/swiderski.maciej] replied to the discussion "NullPointerException when timeout transition maps to a Java activity" To view the discussion, visit: http://community.jboss.org/message/534714#534714 -------------------------------------------------------------- Hi, seems like your java activity is missing class attribute, that could be the reason of the exception. HTH Maciej -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/534714#534714] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]