这是我的elasticsearch url：http://localhost:9200/college/dep/_search?q= *如何使用java API读取所有数据 . 其实我试过下面的代码 .

Client client;
        try {
            Node node;
            node = nodeBuilder().clusterName("elasticsearch").node();
            client = TransportClient.builder().build()
                    .addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName("localhost"), 9300));
            System.out.println(client);
            SearchResponse searchResponse = client.prepareSearch("college").setTypes("dep").execute().actionGet();
            SearchHit[] hits = searchResponse.getHits().getHits();
            System.out.println(hits.length);

        } catch (Exception e) {
            System.out.println(e);
        }

它是说java.lang.IllegalStateException：没有配置path.home .

elasticsearch elasticsearch-plugin