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Upgrade to HtmlUnit 5 #37075
Description
I am trying to upgrade to a newer version of selenium and Selenium HtmlUnit. This is failing and I think it should probably require an update here first:
Recent update of Selenium HtmlUnit requires HtmlUnit 5.0, starter at 4.44.0.
Latest at the time of writing is Selenium 4.46.0, HtmlUnit 5.3, and Selenium HtmlUnit 4.46.0.
This is the error I have upgrading:
org.junit.platform.launcher.core.DiscoveryIssueException: TestEngine with ID 'junit-jupiter' encountered a critical issue during test discovery:
(1) [ERROR] NestedClassSelector [enclosingClassNames = [org.springframework.boot.test.web.htmlunit.UriBuilderFactoryWebConnectionHtmlUnitDriverTests], nestedClassName = 'org.springframework.boot.test.web.htmlunit.UriBuilderFactoryWebConnectionHtmlUnitDriverTests$TestUriBuilderFactoryWebConnectionHtmlUnitDriver', classLoader = jdk.internal.loader.ClassLoaders$AppClassLoader@14dad5dc] resolution failed
Cause: java.lang.NoClassDefFoundError: org/htmlunit/corejs/javascript/VarScope
at java.base/java.lang.Class.getDeclaredMethods0(Native Method)
at java.base/java.lang.Class.privateGetDeclaredMethods(Class.java:3010)
at java.base/java.lang.Class.privateGetPublicMethods(Class.java:3031)
at java.base/java.lang.Class.getMethods(Class.java:1996)
at org.junit.platform.commons.util.ReflectionUtils.getDefaultMethods(ReflectionUtils.java:1713)
at org.junit.platform.commons.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:1686)
at org.junit.platform.commons.util.ReflectionUtils.findMethod(ReflectionUtils.java:1534)
at org.junit.platform.commons.util.ReflectionUtils.isMethodPresent(ReflectionUtils.java:1402)
at org.junit.jupiter.engine.discovery.predicates.TestClassPredicates.hasTestOrTestFactoryOrTestTemplateMethods(TestClassPredicates.java:107)
at org.junit.jupiter.engine.discovery.predicates.TestClassPredicates.looksLikeIntendedTestClass(TestClassPredicates.java:82)
at org.junit.jupiter.engine.discovery.predicates.TestClassPredicates.looksLikeIntendedTestClass(TestClassPredicates.java:76)
at org.junit.jupiter.engine.discovery.ClassSelectorResolver.resolve(ClassSelectorResolver.java:128)
at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.lambda$resolve$0(EngineDiscoveryRequestResolution.java:143)
at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:214)
at java.base/java.util.ArrayList$ArrayListSpliterator.tryAdvance(ArrayList.java:1693)
at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:147)
at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:588)
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:574)
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:560)
at java.base/java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:150)
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:265)
at java.base/java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:683)
at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.resolve(EngineDiscoveryRequestResolution.java:191)
at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.resolve(EngineDiscoveryRequestResolution.java:128)
at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.resolveCompletely(EngineDiscoveryRequestResolution.java:94)
at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.run(EngineDiscoveryRequestResolution.java:85)
at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolver.resolve(EngineDiscoveryRequestResolver.java:150)
at org.junit.jupiter.engine.discovery.DiscoverySelectorResolver.resolveSelectors(DiscoverySelectorResolver.java:62)
at org.junit.jupiter.engine.JupiterTestEngine.discover(JupiterTestEngine.java:75)
at org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discoverEngineRoot(EngineDiscoveryOrchestrator.java:195)
at org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discoverSafely(EngineDiscoveryOrchestrator.java:174)
at org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discover(EngineDiscoveryOrchestrator.java:119)
at org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discover(EngineDiscoveryOrchestrator.java:84)
at org.junit.platform.launcher.core.DefaultLauncher.discover(DefaultLauncher.java:131)
at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$1(DefaultLauncher.java:124)
at java.base/java.util.Optional.orElseGet(Optional.java:364)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:121)
at org.junit.platform.launcher.core.DelegatingLauncher.execute(DelegatingLauncher.java:71)
at org.junit.platform.launcher.core.InterceptingLauncher.lambda$execute$2(InterceptingLauncher.java:66)
at org.junit.platform.launcher.core.ClasspathAlignmentCheckingLauncherInterceptor.intercept(ClasspathAlignmentCheckingLauncherInterceptor.java:25)
at org.junit.platform.launcher.core.InterceptingLauncher.execute(InterceptingLauncher.java:65)
at org.junit.platform.launcher.core.DelegatingLauncher.execute(DelegatingLauncher.java:71)
at org.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:94)
at com.intellij.junit6.JUnit6TestRunnerHelper.execute(JUnit6TestRunnerHelper.java:69)
at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:70)
at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38)
at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11)
at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35)
at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:226)
at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:62)
Caused by: java.lang.ClassNotFoundException: org.htmlunit.corejs.javascript.VarScope
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:580)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:490)
... 50 more
TestUriBuilderFactoryWebConnectionHtmlUnitDriver extends from org.springframework.test.web.servlet.htmlunit.webdriver.WebConnectionHtmlUnitDriver.
Activity
[-]Upgrade to HtmlUnit 5.0[/-][+]Upgrade to HtmlUnit 5[/+]snicoll commentedon Jul 20, 2026
Nevermind, our automated process didn't upgrade htmlunit for some reason. I did that and that fixed the problem. You might be still interested in upgrading as there's a new major for htmlunit.
sbrannen commentedon Aug 31, 2026
Upgrade to Spring Boot 4.2.0-M1