m = pm.retrieveMessage(messageID); if (log.isTraceEnabled()) { log.trace("Retreived it from persistent storage:" + m); }
m = pm.retrieveMessage(messageId);  if (m != null) { super.addMessage(m);  if (log.isTraceEnabled()) { log.trace("Retreived it from persistent storage:" + m); } }
   protected Message retrieveMessage(Serializable messageID)   {      Message m = null;      try      {         m = pm.retrieveMessage(messageID);         if (log.isTraceEnabled()) { log.trace("Retreived it from persistent storage:" + m); }      }      catch(Throwable t)      {         log.error("Persistence manager failed", t);      }      return m;   }