log.trace("Recover arg1=" + arg1 + " " + this);
log.trace("Recover flags=" + flags + " " + this);
   public Xid[] recover(int arg1) throws XAException   {      if (log.isTraceEnabled())      {         log.trace("Recover arg1=" + arg1 + " " + this);      }      return new Xid[0];   }