英文:
Jmeter is not running the HttpSamplerProxy
问题
StandardJMeterEngine jmeter = new StandardJMeterEngine();// JMeter initialization (properties, log levels, locale, etc)JMeterUtils.loadJMeterProperties(System.getenv("JMETER_HOME") + "/bin/jmeter.properties");JMeterUtils.initLogging(); // you can comment this line out to see extra log messages of i.e. DEBUG levelJMeterUtils.initLocale();// JMeter Test Plan, basic structure using JOrphan HashTreeHashTree testPlanTree = new HashTree();// HTTP SamplerHTTPSampler httpSampler = new HTTPSampler();httpSampler.setDomain("example.com");httpSampler.setPort(80);httpSampler.setPath("/");httpSampler.setMethod("GET");// Loop ControllerLoopController loopController = new LoopController();loopController.setLoops(1);loopController.addTestElement(httpSampler);loopController.setFirst(true);loopController.initialize();// Thread GroupThreadGroup threadGroup = new ThreadGroup();threadGroup.setNumThreads(1);threadGroup.setRampUp(1);threadGroup.setSamplerController(loopController);// Test PlanTestPlan testPlan = new TestPlan("Create JMeter Script From Java Code");// Construct Test Plan using previously initialized elementstestPlanTree.add("testPlan", testPlan);testPlanTree.add("loopController", loopController);testPlanTree.add("threadGroup", threadGroup);testPlanTree.add("httpSampler", httpSampler);// Run Test Planjmeter.configure(testPlanTree);jmeter.run();
英文:
I am running this with jmeter core and jmeter http both at version 5.3. I am confused to why the sampler will not fire off. I am new to using jmeter in this fashion and am not quite sure how this all works. When the code is ran i end up with no request data in the jtl file.
//JMeter initialization (properties, log levels, locale, etc)JMeterUtils.loadJMeterProperties(System.getenv("JMETER_HOME") + "/bin/jmeter.properties");JMeterUtils.initLogging();// you can comment this line out to see extra log messages of i.e. DEBUG levelJMeterUtils.initLocale();// JMeter Test Plan, basic all u JOrphan HashTreeHashTree testPlanTree = new HashTree();// HTTP SamplerHTTPSampler httpSampler = new HTTPSampler();httpSampler.setDomain("example.com");httpSampler.setPort(80);httpSampler.setPath("/");httpSampler.setMethod("GET");// Loop ControllerLoopController loopController = new LoopController();loopController.setLoops(1);loopController.addTestElement(httpSampler);loopController.setFirst(true);loopController.initialize();// Thread GroupThreadGroup threadGroup = new ThreadGroup();threadGroup.setNumThreads(1);threadGroup.setRampUp(1);threadGroup.setSamplerController(loopController);// Test PlanTestPlan testPlan = new TestPlan("Create JMeter Script From Java Code");// Construct Test Plan from previously initialized elementstestPlanTree.add("testPlan", testPlan);testPlanTree.add("loopController", loopController);testPlanTree.add("threadGroup", threadGroup);testPlanTree.add("httpSampler", httpSampler);// Run Test Planjmeter.configure(testPlanTree);jmeter.run();
答案1
得分: 5
首先，这段代码：
testPlanTree.add("testPlan", testPlan);testPlanTree.add("loopController", loopController);testPlanTree.add("threadGroup", threadGroup);testPlanTree.add("httpSampler", httpSampler);
需要被替换为：
testPlanTree.add(testPlan);HashTree threadGroupHashTree = testPlanTree.add(testPlan, threadGroup);threadGroupHashTree.add(httpSampler);
另外，我也没有看到你在将结果保存到 .jtl 文件中，你需要像这样添加 ResultCollector：
Summariser summer = null;String summariserName = JMeterUtils.getPropDefault("summariser.name", "summary");if (summariserName.length() > 0) {summer = new Summariser(summariserName);}String logFile = "/path/to/result.jtl";ResultCollector logger = new ResultCollector(summer);logger.setFilename(logFile);testPlanTree.add(testPlanTree.getArray()[0], logger);
在 jmeter.configure(testPlanTree); 行之前。
总的来说，使用 API 创建 JMeter 测试并不是得到很好支持的方式，也不能保证代码在未来的 JMeter 版本中能正常工作，因此我更建议使用第三方选项，比如 Taurus 或者 jmeter-java-dsl。
然而，如果出于某种原因你想继续，可以在 Five Ways To Launch a JMeter Test without Using the JMeter GUI 文章和 jmeter-from-code 仓库 中找到一些示例。
英文:
First of all, this code:
testPlanTree.add("testPlan", testPlan);testPlanTree.add("loopController", loopController);testPlanTree.add("threadGroup", threadGroup);testPlanTree.add("httpSampler", httpSampler);
needs to be replaced by
testPlanTree.add(testPlan);HashTree threadGroupHashTree = testPlanTree.add(testPlan, threadGroup);threadGroupHashTree.add(httpSampler);
I also fail to see where you're saving the results into the .jtl, you need to add ResultCollector like this:
Summariser summer = null;String summariserName = JMeterUtils.getPropDefault("summariser.name", "summary");if (summariserName.length() > 0) {summer = new Summariser(summariserName);}String logFile = "/path/to/result.jtl";ResultCollector logger = new ResultCollector(summer);logger.setFilename(logFile);testPlanTree.add(testPlanTree.getArray()[0], logger);
before jmeter.configure(testPlanTree); line
In general creating JMeter tests using API is not very supported and there is no any guarantee that the code will work after next JMeter release so I would rather rely on 3rd-party options like Taurus or jmeter-java-dsl
However if for some reason you want to continue you can get some examples in Five Ways To Launch a JMeter Test without Using the JMeter GUI article and in jmeter-from-code repo
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