SpringBoot+ES5.4.1

最新推荐文章于 2025-02-12 04:03:56 发布

zhanghe687

最新推荐文章于 2025-02-12 04:03:56 发布

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分类专栏： java 文章标签： spring boot java elasticsearch

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本文介绍如何在Java环境中配置Elasticsearch客户端，并通过Spring框架读取配置文件中的Elasticsearch参数，如IP地址、端口号和集群名称，实现与Elasticsearch集群的成功连接。

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<dependency>
            <groupId>org.elasticsearch</groupId>
            <artifactId>elasticsearch</artifactId>
            <version>5.4.1</version>
        </dependency>
        <dependency>
            <groupId>org.elasticsearch.client</groupId>
            <artifactId>transport</artifactId>
            <version>5.4.1</version>
        </dependency>
        <dependency>
            <groupId>org.elasticsearch.plugin</groupId>
            <artifactId>transport-netty4-client</artifactId>
            <version>5.4.1</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.13</version>
        </dependency>

elasticsearch.ip= aaaaaaa
elasticsearch.port= 9300
elasticsearch.cluster-name= my-application



@Configuration
public class ESConfig {

    //就是配置文件中的ip
    @Value("${elasticsearch.ip}")
    private String host;

    //配置文件中的端口
    @Value("${elasticsearch.port}")
    private String port;

    //配置文件中的集群名字
    @Value("${elasticsearch.cluster-name}")
    private String clusterName;

    @Bean
    public TransportClient transportClient() {
       
        TransportClient esClient = null;
        if (clusterName != null && host != null) {
            try {
                Settings settings = Settings.builder().put("cluster.name", clusterName).put("client.transport.sniff", true).build();
                esClient = new PreBuiltTransportClient(settings, new Class[0]);
                esClient.addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName(host), Integer.valueOf(port)));
                System.out.println("初始化 ES client  successed!");
            } catch (UnknownHostException var6) {
                System.out.println("失败！");
            }

        } else {
            throw new NullPointerException("initEsConfig parms must not null, please check it");
        }
        return esClient;
    }
}