[jboss-user] [JBoss jBPM] - couldn't find process definition ERROR

I add JBPM to Hibernate ,spring and struts, but there is something wrong when I want to get the processdefinition from the database. the processdefinition has been deploied to the database. anybody help me??? CODE: JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext(); | | GraphSession graphSession = jbpmContext.getGraphSession(); | | ProcessDefinition processDefinition = graphSession.findLatestProcessDefinition("hello"); | ProcessInstance instance = processDefinition.createProcessInstance(); | instance.signal(); | jbpmContext.save(instance); | | jbpmContext.close(); ERROE javax.servlet.ServletException: couldn't find process definition 'hello' | org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:535) | org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:433) | org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) | org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) | org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432) | javax.servlet.http.HttpServlet.service(HttpServlet.java:709) | javax.servlet.http.HttpServlet.service(HttpServlet.java:802) | | | root cause | | org.jbpm.JbpmException: couldn't find process definition 'hello' | org.jbpm.db.GraphSession.findLatestProcessDefinition(GraphSession.java:157) | com.ImportBusiness.struts.action.LoginAction.execute(LoginAction.java:102) | org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:106) | org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) | org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) | org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) | org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432) | javax.servlet.http.HttpServlet.service(HttpServlet.java:709) | javax.servlet.http.HttpServlet.service(HttpServlet.java:802) View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4215241#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...