org.hibernate.ObjectNotFoundException: No row with the given identifier exists: [com.exam.service.vo.FwTransferResultVO#767] at org.hibernate.ObjectNotFoundException.throwIfNull(ObjectNotFoundException.java:27) at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:118) at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:151) at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:79) at org.hibernate.impl.SessionImpl.load(SessionImpl.java:603) at org.hibernate.impl.SessionImpl.load(SessionImpl.java:596) at com.exam.base.classes.BaseBO.getVOByID(BaseBO.java:150) at com.exam.service.action.DownloadCenterAction.execute(DownloadCenterAction.java:176) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507) at javax.servlet.http.HttpServlet.service(HttpServlet.java:740) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1077) at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:465) at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27) at com.exam.servlet.SetCharacterEncodingfilter.doFilter(SetCharacterEncodingfilter.java:51) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:7053) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121) at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3902) at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2773) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:224) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:183)