log.error("Exception reading system property: org.cougaar.message.transport.aspects.heartbeatPiggybacker.timeDelay. " + "Using default value of "+ TIME_DELAY); }  metricsUpdateService = (MetricsUpdateService) getServiceBroker().getService(this, MetricsUpdateService.class, null);    synchronized (HeartbeatPiggybackerAspect.class) { if (piggybackingIsOn && instance == null) {     instance = this; } }  if (log.isDebugEnabled()) log.debug("PB========= HeartbeatPiggybackerAspect loaded"); }
    public void load ()    {        if (!piggybackingIsOn) return;                super.load();        //This is an optional property to increase/decrease buffer time to ensure        //HBs arrive within their time limit.        try {            String td = "org.cougaar.message.transport.aspects.heartbeatPiggybacker.timeDelay";            int tdi = Integer.valueOf(System.getProperty(td,"10000")).intValue();            if tdi >= 0) {              TIME_DELAY = tdi;            }        } catch (Exception e) {