InetSocketAddress lifelineRpcAddr = nn.getLifelineRpcServerAddress(conf); if (lifelineRpcAddr != null) { RPC.setProtocolEngine(conf, HAServiceProtocolPB.class,
InetSocketAddress lifelineRpcAddr = nn.getLifelineRpcServerAddress(conf); if (lifelineRpcAddr != null) { RPC.setProtocolEngine(conf, HAServiceProtocolPB.class,