User development, A new message was posted in the thread "jbpm 4.3 - org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update": http://community.jboss.org/message/521576#521576 Author : Ronald van Kuijk Profile : http://community.jboss.org/people/kukeltje Message: -------------------------------------------------------------- 4 Job executors? Running where? Different machines? Or at least bound to different IP adresses? If nothave a look at that first, or try to reproduce running with one JobExcutor -------------------------------------------------------------- To reply to this message visit the message page: http://community.jboss.org/message/521576#521576