setSystem(ActivationSystemTransient.getInstance());
setSystem(DefaultActivationSystem.get());
  public static ActivationGroupID currentGroupID()  {    try      {        if (currentGroupId==null)          {            setSystem(ActivationSystemTransient.getInstance());          }      }    catch (ActivationException e)      {        InternalError ierr = new InternalError("Unable to activate AS");        ierr.initCause(e);        throw ierr;      }                return currentGroupId;  }