org.hibernate.HibernateException: Errors in named queries: JobSession.getFirstDueJob, TaskMgmtSession.findPooledTaskInstancesByActorId, GraphSession.selectLogsForTokens, GraphSession.findActiveNodesByProcessInstance, GraphSession.findAllRunningProcessInstances, GraphSession.findTokensForProcessInstance, JobSession.resumeJobs, TaskMgmtSession.findTaskInstancesByActorId, TaskMgmtSession.findTaskInstancesByTokenId, GraphSession.NumberOfActiveProcessInstances, JobSession.getTimersByName, JobSession.findExclusiveJobs, GraphSession.findLatestProcessDefinitionQuery, GraphSession.findAllProcessInstancesForADefinition, TaskMgmtSession.findTaskInstancesByActorIds, LoggingSession.findLogsByToken, GraphSession.findAllRunningProcessInstancesWithProcessName, JobSession.getFirstDueJobExlcMonitoredJobs, TaskMgmtSession.findTaskForNode, TaskMgmtSession.findTaskInstancesByProcessInstance, TaskMgmtSession.findOpenTasksOfProcessInstance, GraphSession.findTokensForProcessInNode, GraphSession.findAllProcessInstancesWithProcessName, TaskMgmtSession.findTaskInstancesByIds, JobSession.getFirstAcquirableJob, GraphSession.findAllProcessDefinitions, GraphSession.findAllProcessDefinitionVersions, JobSession.deleteExecuteNodeJobsForProcessInstance, GraphSession.findAllSwimlaneNames, GraphSession.findProcessDefinitionByNameAndVersion, GraphSession.calculateAverageTimeByNode, GraphSession.deleteTaskInstancesById, GraphSession.findTaskInstanceIdsForProcessInstance, GraphSession.deleteJobsForProcessInstance, GraphSession.findProcessInstanceByKey, GraphSession.findAllProcessInstances, JobSession.deleteTimersForProcessInstance, GraphSession.AllProcessNames, TaskMgmtSession.findPooledTaskInstancesByActorIds, JobSession.suspendJobs, GraphSession.NumberOfDeployedProcesses, GraphSession.findSubProcessInstances, GraphSession.findAllTokensOfProcessInstance
at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:365)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1294)
at org.jbpm.persistence.db.DbPersistenceServiceFactory.getSessionFactory(DbPersistenceServiceFactory.java:91)
at org.jbpm.persistence.db.DbPersistenceService.getSessionFactory(DbPersistenceService.java:95)
at org.jbpm.persistence.db.DbPersistenceService.getSession(DbPersistenceService.java:99)
at org.jbpm.JbpmContext.getSession(JbpmContext.java:506)
at com.sinosoft.sales.ui.control.action.UIMyTaskAction.query(UIMyTaskAction.java:54)
at com.sinosoft.sales.ui.control.facade.UIMyTaskFacade.execute(UIMyTaskFacade.java:32)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1169)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at com.sinosoft.sysframework.web.control.SessionFilter.doFilter(SessionFilter.java:48)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at org.jbpm.web.JbpmContextFilter.doFilter(JbpmContextFilter.java:83)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at com.sinosoft.sysframework.web.control.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3496)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(Unknown Source)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2180)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2086)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1406)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
请问这种问题怎么解决