}
            catch ( Exception e ) {
                throw new CIFSException("Failed to refresh credentials", e);
            }
        }


        @Override
        public Kerb5Authenticator clone () {
            Kerb5Authenticator auth = new RefreshableKerb5Authenticator(getSubject(), getUserDomain(), getUser(), getPassword());
            cloneInternal(auth, this);
            return auth;
        }
    }