请问NC未知异常是怎么回事啊？？？

t666777888

[AWT-EventQueue-0] ERROR - 未知的异常
nc.vo.pub.BusinessException: 未知的异常
at nc.bs.trade.comsave.BillSave.saveBill(BillSave.java:255)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at nc.bs.pub.pf.PfUtilTools.runClass(PfUtilTools.java:1126)
at nc.bs.pub.compiler.AbstractCompiler.runClass(AbstractCompiler.java:417)
at nc.bs.pub.action.N_H701_WRITE.runComClass(N_H701_WRITE.java:47)
at nc.bs.pub.pf.pfframe.PFRunClass.runComBusi(PFRunClass.java:142)
at nc.bs.pub.pf.pfframe.PFBusiAction.actionOnStep(PFBusiAction.java:404)
at nc.bs.pub.pf.pfframe.PFBusiAction.processAction(PFBusiAction.java:737)
at nc.impl.uap.pf.PlatformEJB.processAction(PlatformEJB.java:113)
at nc.itf.uap.pf.PlatformEJBEjbBean.processAction(PlatformEJBEjbBean.java:34)
at nc.itf.uap.pf.PlatformEJB_Local.processAction(PlatformEJB_Local.java:26)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at nc.bs.framework.server.AbstractEJBToBServiceHandler.invoke(AbstractEJBToBServiceHandler.java:79)
at nc.bs.framework.server.AbstractEJBToBServiceHandler.invoke(AbstractEJBToBServiceHandler.java:54)
at $Proxy5.processAction(Unknown Source)
at nc.bs.pub.pf.pfframe.PlatFormEntryImpl.processAction(PlatFormEntryImpl.java:51)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at nc.bs.framework.comn.serv.ServiceDispatcher.invokeBeanMethod(ServiceDispatcher.java:320)
at nc.bs.framework.comn.serv.ServiceDispatcher.execCall(ServiceDispatcher.java:129)
at nc.bs.framework.comn.serv.CommonServletDispatcher.doGet(CommonServletDispatcher.java:76)
at nc.bs.framework.comn.serv.CommonServletDispatcher.doPost(CommonServletDispatcher.java:95)
Caused by: nc.vo.pub.BusinessException: 公共BO保存单据saveBill::未知的异常公共BO保存单据saveBill::HYPubBO::saveBillWhenAdd(AggregateValueObject) Exception!
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