PortableServer.exportObject(obj);
if (obj instanceof Stub) Util.registerTarget(StubDelegateImpl.getTieFromStub((Stub) obj), obj); else if (obj instanceof Tie) { Tie t = (Tie) obj; Util.registerTarget(t, null); }
  public void exportObject(Remote obj)    throws RemoteException  {    PortableServer.exportObject(obj);  }