SpringBoot + Elasticsearch5.x

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@Component@Configurationpublic class ElasticsearchConfiguration {    private static final Logger logger = LoggerFactory.getLogger(ElasticsearchConfiguration.class);    @Value("${es.cluster.nodes}")    private String clusterNodes ;    @Value("${es.cluster.name}")    private String clusterName;    private TransportClient client;    @Bean    public TransportClient init(){        logger.info("Building ElasticSearch client");        Settings settings = Settings.builder().put("cluster.name", clusterName).build();        client = new PreBuiltTransportClient(settings);        try {            if (!"".equals(clusterNodes)){                for (String nodes:clusterNodes.split(",")) {                    String InetSocket[] = nodes.split(":");                    String address = InetSocket[0];                    Integer port = Integer.valueOf(InetSocket[1]);                    client.addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName(address), port));                }            }        } catch (Exception e) {            logger.error("Error build ElasticSearch client: {}", e.getMessage());        }        return client;    }    @PreDestroy    public void destory() {        if (client != null){            client.close();        }    }}

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