Ice.NoEndpointException 问题

刚接触ice，网上资料少，都不到问题原因，请各位大虾指教.下面是异常Ice.NoEndpointException
    proxy = "Passport/CustomerService -t"
at IceInternal.RoutableReference$2.setEndpoints(RoutableReference.java:524)
at IceInternal.LocatorInfo$3.setEndpoints(LocatorInfo.java:537)
at IceInternal.LocatorInfo$1.ice_response(LocatorInfo.java:222)
at Ice.AMI_Locator_findAdapterById.__response(AMI_Locator_findAdapterById.java:85)
at IceInternal.OutgoingAsync.__finished(OutgoingAsync.java:201)
at Ice.ConnectionI.message(ConnectionI.java:969)
at IceInternal.ThreadPool.run(ThreadPool.java:575)
at IceInternal.ThreadPool.access$100(ThreadPool.java:12)
at IceInternal.ThreadPool$EventHandlerThread.run(ThreadPool.java:951)