queueNameToJNDI = new HashMap(); topicNameToJNDI = new HashMap();
queueNameToJNDI = new ConcurrentReaderHashMap(); topicNameToJNDI = new ConcurrentReaderHashMap();
   public DestinationManagerImpl(ServerPeer serverPeer) throws Exception   {      this.serverPeer = serverPeer;      //TODO close this inital context when DestinationManager stops      initialContext = new InitialContext();      coreDestinationManager = new CoreDestinationManager(this);      queueNameToJNDI = new HashMap();      topicNameToJNDI = new HashMap();   }