Hello: I used jbpm 3.1.3 in my project , I writed a method of a business service class like this: @Transactional(readOnly = true) public List listAllProcessDefinition() { return (List) jbpmTemplate.execute(new JbpmCallback() { public Object doInJbpm(JbpmContext jbpmContext) throws JbpmException { return jbpmContext.getGraphSession() .findAllProcessDefinitions(); } }); } there is no process definition record in table "JBPM_PROCESSDEFINITION" when the project is initialized,when I used mysql database, the method "findAllProcessDefinitions()" had been invoke fine,but when I change to oracle database,it will throw a IndexOutOfBoundsException ,it like this:java.lang.IndexOutOfBoundsException: Index: 0, Size: 0. when I deploy a new process definition , this exception will disappeare,I have no good ideal about it ,can you help me? View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4244449#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...