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Java 如何解决htmlUnit WrapsDriver错误_Java_Selenium_Selenium Webdriver_Htmlunit Driver - Fatal编程技术网

Java 如何解决htmlUnit WrapsDriver错误

Java 如何解决htmlUnit WrapsDriver错误,java,selenium,selenium-webdriver,htmlunit-driver,Java,Selenium,Selenium Webdriver,Htmlunit Driver,我正在使用HtmlUnit和selenium 3.13 jar运行测试,浏览器成功启动,但之后它停止工作,出现以下错误 > Exception in thread "main" java.lang.NoClassDefFoundError: org/openqa/selenium/WrapsDriver at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineCl

我正在使用HtmlUnit和selenium 3.13 jar运行测试,浏览器成功启动,但之后它停止工作,出现以下错误

> Exception in thread "main" java.lang.NoClassDefFoundError: org/openqa/selenium/WrapsDriver
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(Unknown Source)
    at java.security.SecureClassLoader.defineClass(Unknown Source)
    at java.net.URLClassLoader.defineClass(Unknown Source)
    at java.net.URLClassLoader.access$100(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at org.openqa.selenium.htmlunit.HtmlUnitDriver.toWebElement(HtmlUnitDriver.java:1211)
    at org.openqa.selenium.htmlunit.HtmlUnitDriver.findElementByName(HtmlUnitDriver.java:1341)
    at org.openqa.selenium.By$ByName.findElement(By.java:284)
    at org.openqa.selenium.htmlunit.HtmlUnitDriver$4.call(HtmlUnitDriver.java:2024)
    at org.openqa.selenium.htmlunit.HtmlUnitDriver$4.call(HtmlUnitDriver.java:2020)
    at org.openqa.selenium.htmlunit.HtmlUnitDriver.implicitlyWaitFor(HtmlUnitDriver.java:1660)
    at org.openqa.selenium.htmlunit.HtmlUnitDriver.findElement(HtmlUnitDriver.java:2020)
    at org.openqa.selenium.htmlunit.HtmlUnitDriver.findElement(HtmlUnitDriver.java:798)
    at com.directlegalmail.startup.Startup.scrapDates(Startup.java:89)
    at com.directlegalmail.startup.Startup.main(Startup.java:63)
Caused by: java.lang.ClassNotFoundException: org.openqa.selenium.WrapsDriver
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 22 more
有人知道怎么解决吗,我有 硒3.13 和htmlUnit驱动程序2.33

下面是我的代码

driver = new HtmlUnitDriver();
driver.manage().window().maximize();
driver.manage().timeouts().implicitlyWait
(10000,TimeUnit.MILLISECONDS);
logMsg("Browser launched successfully");
driver.get("WebURL");

您需要将htmlUnit驱动程序与依赖项一起使用,从github下载最新版本,其中包括WrapsDriver类。

关于您的测试环境的更多信息会让我们更清楚地了解到底出了什么问题

但是,我没有看到您的代码块中存在任何重大问题。使用Selenium v3.14和HtmlunitDriver v2.33.0,在调用HtmlunitDriver时,需要传递参数true以启用JavaScript,并且可以使用以下解决方案:

import org.openqa.selenium.WebDriver;
import org.openqa.selenium.htmlunit.HtmlUnitDriver;

public class A_HtmlunitDriver_2_33_0 {

    public static void main(String[] args) throws InterruptedException {

    WebDriver driver = new HtmlUnitDriver(true);
    driver.manage().window().maximize();
    driver.get("https://stackoverflow.com/questions/53812207/how-to-resolve-htmlunit-wrapsdriver-error");
    System.out.println("HtmlUnitDriver invoked");
    driver.quit();
    }
}

这种依赖关系的组合对我很有用:

implementation("org.seleniumhq.selenium:selenium-java:3.141.59")
implementation("org.seleniumhq.selenium:selenium-api:3.141.59")
implementation("org.seleniumhq.selenium:htmlunit-driver:2.36.0")

您可以在此处看到HtmlUnit驱动程序版本2.36.0的兼容Selenium依赖项:

使用HtmlUnit驱动程序的原因是什么?改用chrome或Firefox无头模式,它比其他模式快得多。你怎么预测呢?看上面写的专业人士。