使用java来创建es索引(基于es7.8)_es java 创建索引
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1、先引入pom依赖
<dependencies>
<dependency>
<groupId>org.elasticsearch</groupId>
<artifactId>elasticsearch</artifactId>
<version>7.8.0</version>
</dependency>
<!-- elasticsearch的客户端 -->
<dependency>
<groupId>org.elasticsearch.client</groupId>
<artifactId>elasticsearch-rest-high-level-client</artifactId>
<version>7.8.0</version>
</dependency>
<!-- elasticsearch依赖2.x的log4j -->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
<version>2.8.2</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.8.2</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.9</version>
</dependency>
<!-- junit单元测试 -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
</dependencies>
2、然后在main方法里进行测试
import org.apache.http.HttpHost;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestClient;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.client.indices.CreateIndexRequest;
import org.elasticsearch.client.indices.CreateIndexResponse;
public class ESTest_Index_Create {
public static void main(String[] args) throws Exception {
RestHighLevelClient esClient = new RestHighLevelClient(
RestClient.builder(new HttpHost("localhost", 9200, "http"))
);
// 创建索引
CreateIndexRequest request = new CreateIndexRequest("user");
CreateIndexResponse createIndexResponse =
esClient.indices().create(request, RequestOptions.DEFAULT);
// 响应状态
boolean acknowledged = createIndexResponse.isAcknowledged();
System.out.println("索引操作 " + acknowledged);
esClient.close();
}
}
如果acknowledged的值等于true则表示创建成功