JSR223脚本JSR223示例中的问题，消息: javax.script.ScriptException: ReferenceError："setTimeout“未定义

Question

我需要运行JS文件才能获得令牌。JS文件引用诸如"window“、"setTimeout”等变量，这些函数在浏览器加载时可用。

但是我需要加载这个J度表，然后提取令牌。问题是JSR233说它没有引用“窗口”或"setTimeout“函数(否则浏览器中就可用了)。

当我运行它时，我会得到下面的错误。有什么办法能让我们在Jmeter中得到这些函数的句柄吗？

021-06-24 13:11:08,246错误o.a.j.p.j.s.JSR223Sampler: JSR223脚本JSR223示例程序中的问题消息: /Users/pprabhak/performance/apache-jmeter-5.4.1/bin/BehaviorAnalytics-2.2.0.min.js中没有定义javax.script.ScriptException: ReferenceError："setTimeout“在第12行中没有定义javax.script.ScriptException: ReferenceError："setTimeout”在jdk.nashorn.api.scripting.NashornScriptEngine.throwAsScriptException(NashornScriptEngine.java:477) ~jdk.scripting.nashorn:？在jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:433) ~jdk.scripting.nashorn:？在jdk.nashorn.api.scripting.NashornScriptEngine$3.eval(NashornScriptEngine.java:521) ~jdk.scripting.nashorn:？在javax.script.CompiledScript.eval(CompiledScript.java:89) ~java.scripting:？在org.apache.jmeter.util.JSR223TestElement.processFileOrScript(JSR223TestElement.java:217) ~ApacheJMeter_core.jar:5.4.1 at org.apache.jmeter.protocol.java.sampler.JSR223Sampler.sample(JSR223Sampler.java:72) ApacheJMeter_java.jar:5.4.1 at org.apache.jmeter.threads.JMeterThread.doSampling(JMeterThread.java:638) ApacheJMeter_core.jar:？在org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:558) ApacheJMeter_core.jar:？在org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:489) ApacheJMeter_core.jar:？在org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:256) ApacheJMeter_core.jar:？在java.lang.Thread.run(Thread.java:834) ?:？由: jdk.nashorn.internal.runtime.ECMAException: ReferenceError："setTimeout“未定义为~jdk.scripting.nashorn:？在jdk.nashorn.internal.runtime.ECMAErrors.referenceError(ECMAErrors.java:319) ~jdk.scripting.nashorn:？在jdk.nashorn.internal.runtime.ECMAErrors.referenceError(ECMAErrors.java:291) ~jdk.scripting.nashorn:？在jdk.nashorn.internal.objects.Global.noSuchProperty(Global.java:1616) ~jdk.scripting.nashorn:？在jdk.nashorn.internal.scripts.Script$Recompilation$21736$268435452$BehaviorAnalytics_2_2__min$cu10$restOf.VAAP$:split-2(/Users/pprabhak/performance/apache-jmeter-5.4.1/bin/BehaviorAnalytics-2.2.0.min.js:12) ~？？在jdk.nashorn.internal.scripts.Script$Recompilation$17386$73052$BehaviorAnalytics_2_2__min.VAAP(/Users/pprabhak/performance/apache-jmeter-5.4.1/bin/BehaviorAnalytics-2.2.0.min.js:1) ~？？在jdk.nashorn.internal.scripts.Script$Recompilation$17388$BehaviorAnalytics_2_2__min$cu1$restOf.:program(/Users/pprabhak/performance/apache-jmeter-5.4.1/bin/BehaviorAnalytics-2.2.0.min.js:1) ~？？在jdk.nashorn.internal.runtime.ScriptFunctionData.invoke(ScriptFunctionData.java:655) ~jdk.scripting.nashorn:？在jdk.nashorn.internal.runtime.ScriptFunction.invoke(ScriptFunction.java:513) ~jdk.scripting.nashorn:？在jdk.nashorn.internal.runtime.ScriptRuntime.apply(ScriptRuntime.java:527) ~jdk.scripting.nashorn:？在jdk.nashorn.internal.runtime.Context.evaluateSource(Context.java:1438) ~jdk.scripting.nashorn:？在jdk.nashorn.internal.runtime.Context.load(Context.java:962) ~jdk.scripting.nashorn:？在jdk.nashorn.internal.objects.Global.load(Global.java:1720) ~jdk.scripting.nashorn:？在jdk.nashorn.internal.scripts.Script$Recompilation$17383$^eval_/0x0000000800b68040.:program(:3) ~？？在jdk.nashorn.internal.runtime.ScriptFunctionData.invoke(ScriptFunctionData.java:655) ~jdk.scripting.nashorn:？在jdk.nashorn.internal.runtime.ScriptFunction.invoke(ScriptFunction.java:513) ~jdk.scripting.nashorn:？在jdk.nashorn.internal.runtime.ScriptRuntime.apply(ScriptRuntime.java:527) ~jdk.scripting.nashorn:？在jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:428) ~jdk.scripting.nashorn:？.9多出2021-06-24 13:11:08 249信息o.a.j.t.JMeterThread:线程完成:线程组1-1

Answer 1

Window对象与web浏览器密切相关，您将无法在JSR223测试元素中使用。

处理此问题的方法有两种：

1. 使用WebDriver采样器插件，它：

- has possibility to execute JavaScript via [JavascriptExecutor](https://www.selenium.dev/selenium/docs/api/java/org/openqa/selenium/JavascriptExecutor.html)
- store the result into [JMeter Variables](https://jmeter.apache.org/usermanual/functions.html) via `WDS.vars` shorthand to [JMeterVariables](https://jmeter.apache.org/api/org/apache/jmeter/threads/JMeterVariables.html) class instance

1. 在JMeter测试元素中复制JavaScript文件的逻辑(请注意JSR223测试元素)，如果脚本需要一些参数，您应该能够使用JMeter的后处理器从先前的响应中获得它们