ElasticSearch java客户端更新时出现的错误：NoNodeAvailableException[None of the configured nodes are available

public static void bulkUpdateGoods(List<Goods> goods) throws IOException, InterruptedException, ExecutionException {
        Client client = null;
        try {
            client = TransportClient.builder().build()
                    .addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName("hadoop-slave4"), 9300));
            
        } catch (Exception e) {
            e.printStackTrace();
        }

        BulkRequestBuilder req = client.prepareBulk();

        for (Goods good : goods) {
            req.add(client.prepareIndex("smms", "goods", good.getId() + "")
                    .setSource(jsonBuilder().startObject().field("unit", good.getUnit()).field("price", good.getPrice())
                            .field("name", good.getName()).field("barcode", good.getBarCode()).endObject()));
        }

        BulkResponse res = req.execute().actionGet();

        if (res.hasFailures()) {
            System.out.println("Error");
        } else {
            System.out.println("Done");
        }

        client.close();
    }
}