使用 JSR223 采样器(Jmeter)的并行请求 [英] parallel request using JSR223 Sampler (Jmeter)

查看:32
本文介绍了使用 JSR223 采样器(Jmeter)的并行请求的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我试图在 JMeter 3.0 中使用以下代码(由 Dmitri),但是,我没有成功运行它.我的目标是模拟并行 API 调用.

I'm trying to use the following code (by Dmitri) in JMeter 3.0, however, I am unsuccessful in running it. my goal is to simulate parallel API calls.

知道为什么它失败了吗?代码:

Any idea why its failing? code:

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors; // necessary imports


List<String> urls = new ArrayList<String>(); // initialize array of URLs
Collections.addAll(urls,args); // read URLs from "Parameters" input and add them to array
ExecutorService pool = Executors.newFixedThreadPool(urls.size()); // initialize pool of Future Tasks with number of threads equal to size of URLs provided
for (String url : urls) { // for each URL from list
   final String currentURL = url;
   pool.submit(new Runnable() { // Sumbit a new thread which will execute GET request

       @Override
       public void run() {
           try {
               HttpClient client = new DefaultHttpClient(); // Use Apache Commons HTTPClient to perform GET request
  HttpGet get = new HttpGet(currentURL);
     HttpResponse response = client.execute(get);
HttpEntity entity = response.getEntity();
EntityUtils.consume(entity);
           } catch (Exception ex) {
               ex.printStackTrace();
           }

       }
   });
}
pool.shutdown(); // shut down thread pool

抛出的错误是(我确实在参数字段 jsr223 采样器中使用了 2 个示例主机):

java.lang.IllegalStateException: Target host is null
        at org.apache.http.util.Asserts.notNull(Asserts.java:52)
        at org.apache.http.impl.conn.DefaultHttpRoutePlanner.determineRoute(DefaultHttpRoutePlanner.java:99)
        at org.apache.http.impl.client.DefaultRequestDirector.determineRoute(DefaultRequestDirector.java:763)
        at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:382)
        at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:884)
        at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
        at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:107)
        at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55)
        at org.apache.http.client.HttpClient$execute.call(Unknown Source)
        at Script3$1.run(Script3.groovy:26)
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
        at java.util.concurrent.FutureTask.run(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)

推荐答案

代码看起来没问题

  1. 确保在语言"下拉列表中选择了 groovy
  2. 确保您在参数"部分(包括协议、httphttps)中提供至少 1 个 URL.如果您使用 > 1 url - 用空格分隔它们,即

  1. Make sure you have groovy selected in the "Language" dropdown
  2. Make sure you provide at least 1 URL in "Parameters" section (including protocol, http or https). If you use > 1 url - separate them by spaces, i.e.

http://url1/path http://url2/path2

演示:

来源:如何加载测试 AJAX/XHR使用 JMeter 启用站点

这篇关于使用 JSR223 采样器(Jmeter)的并行请求的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

查看全文
登录 关闭
扫码关注1秒登录
发送“验证码”获取 | 15天全站免登陆