Huisheng Xu [http://community.jboss.org/people/rebody] replied to the discussion "self-transition to node with timer crashes in 4.3" To view the discussion, visit: http://community.jboss.org/message/538611#538611 -------------------------------------------------------------- Hi O S,   There was an already existing JIRA issue for this, You can find information below.   https://jira.jboss.org/jira/browse/JBPM-2794 https://jira.jboss.org/jira/browse/JBPM-2794.   The problem is caused by two execution in a transation has same ID_.  The current solution is using an additional activity to break the transaction. You could add a activity between the timer and state, and set continue="async" -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/538611#538611] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]