org.omg.PortableServer.POAPackage
類別 
AdapterAlreadyExistsHelper
AdapterNonExistentHelper
InvalidPolicyHelper
NoServantHelper
ObjectAlreadyActiveHelper
ObjectNotActiveHelper
ServantAlreadyActiveHelper
ServantNotActiveHelper
WrongAdapterHelper
WrongPolicyHelper
異常 
AdapterAlreadyExists
AdapterNonExistent
InvalidPolicy
NoServant
ObjectAlreadyActive
ObjectNotActive
ServantAlreadyActive
ServantNotActive
WrongAdapter
WrongPolicy