MockFLEMessengerBackward(QuorumPeer self, QuorumCnxManager manager){
this.manager = manager;
this.self = self;
this.wr = new WorkerReceiver(manager);
Thread t = new Thread(this.wr,
"WorkerReceiver[myid=" + self.getId() + "]");
t.setDaemon(true);
t.start();