if (log.isTraceEnabled()) { log.trace("Retreived it from persistent storage:" + m); }
if (trace) { log.trace("Retreived it from persistent storage:" + m); }
   public Message retrieveMessage(String messageId) throws Exception   {      Message m = super.retrieveMessage(messageId);            if (m == null)      {         m = getMessage(messageId);                  if (m != null)         {            super.addMessage(m);                        if (log.isTraceEnabled()) { log.trace("Retreived it from persistent storage:" + m); }             }      }            return m;         }