Jimmy dong [https://community.jboss.org/people/jimmy.dongjia] created the discussion "After restart human task server,why there is no process instance under process?" To view the discussion, visit: https://community.jboss.org/message/717664#717664 -------------------------------------------------------------- Dear all:     A very strange problem: I have modified the "jbpm-gwt-console-server-war/WEB-INF/classes/META-INF/persistence.xml" and "jbpm-gwt-console-server-war/WEB-INF/lib/jbpm-human-task-5.1.0.Final.jar/META-INF/persistence.xml"   , from "<property name="hibernate.hbm2ddl.auto" value="create" />" to "<property name="hibernate.hbm2ddl.auto" value="update" />". I start some instances under one process,  after I restart human task server, there is no instance under the process! But in the database ,the all data is in table ProcessInstanceInfo . https://community.jboss.org/servlet/JiveServlet/showImage/2-717664-18011/... https://community.jboss.org/servlet/JiveServlet/downloadImage/2-717664-18... https://community.jboss.org/servlet/JiveServlet/showImage/2-717664-18010/... https://community.jboss.org/servlet/JiveServlet/downloadImage/2-717664-18... and the personal tasks can show: https://community.jboss.org/servlet/JiveServlet/showImage/2-717664-18012/... https://community.jboss.org/servlet/JiveServlet/downloadImage/2-717664-18... So who can tell me why? any help is grateful!!! -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/717664#717664] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]