在Java中将JSON参数作为livy参数发送

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;

public class LivyExample {
    public static void main(String[] args) {
        try {
            // 构建JSON参数
            String jsonParam = "{\"param1\": \"value1\", \"param2\": \"value2\"}";

            // 构建请求体
            String requestBody = "{\"file\": \"your-spark-job.jar\", \"args\": [\"your-spark-job-args\"], \"conf\": {\"spark.driver.memory\": \"1g\"}, \"proxyUser\": \"your-username\", \"jars\": [\"your-dependency.jar\"], \"pyFiles\": [\"your-python-file.py\"], \"files\": [\"your-file.txt\"], \"archives\": [\"your-archive.zip\"]}";

            // 将JSON参数添加到请求体中
            requestBody = requestBody.replace("your-spark-job-args", jsonParam);

            // 创建HttpClient对象
            HttpClient httpClient = HttpClientBuilder.create().build();

            // 创建HttpPost对象，并设置URL
            HttpPost httpPost = new HttpPost("http://livy-server:8998/batches");

            // 设置请求体
            StringEntity stringEntity = new StringEntity(requestBody);
            httpPost.setEntity(stringEntity);
            httpPost.setHeader("Content-type", "application/json");

            // 发送请求并获取响应
            HttpResponse response = httpClient.execute(httpPost);
            HttpEntity entity = response.getEntity();
            String responseString = EntityUtils.toString(entity, "UTF-8");

            // 处理响应
            System.out.println(responseString);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}