报错信息：
Internal Error occurred. org.junit.platform.commons.JUnitException: TestEngine with ID 'junit-vintage' failed to discover tests at org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discoverEngineRoot(EngineDiscoveryOrchestrator.java:111) at org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discover(EngineDiscoveryOrchestrator.java:85) at org.junit.platform.launcher.core.DefaultLauncher.discover(DefaultLauncher.java:92) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:75) at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:69) at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47) at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242) at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) Caused by: org.junit.platform.commons.JUnitException: MethodSelector [className = 'com..........Test', methodName = '.......', methodParameterTypes = ''] resolution failed at org.junit.platform.launcher.listeners.discovery.AbortOnFailureLauncherDiscoveryListener.selectorProcessed(AbortOnFailureLauncherDiscoveryListener.java:39) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.resolveCompletely(EngineDiscoveryRequestResolution.java:102) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.run(EngineDiscoveryRequestResolution.java:82) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolver.resolve(EngineDiscoveryRequestResolver.java:113) at org.junit.vintage.engine.discovery.VintageDiscoverer.discover(VintageDiscoverer.java:44) at org.junit.vintage.engine.VintageTestEngine.discover(VintageTestEngine.java:63) at org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discoverEngineRoot(EngineDiscoveryOrchestrator.java:103) ... 7 more Caused by: org.junit.platform.commons.PreconditionViolationException: Could not load class with name: com...........Test at org.junit.platform.engine.discovery.MethodSelector.lambda$lazyLoadJavaClass$0(MethodSelector.java:157) at org.junit.platform.commons.function.Try$Failure.getOrThrow(Try.java:335) at org.junit.platform.engine.discovery.MethodSelector.lazyLoadJavaClass(MethodSelector.java:156) at org.junit.platform.engine.discovery.MethodSelector.getJavaClass(MethodSelector.java:135) at org.junit.vintage.engine.discovery.MethodSelectorResolver.resolve(MethodSelectorResolver.java:38) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.lambda$resolve$2(EngineDiscoveryRequestResolution.java:146) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.ArrayList$ArrayListSpliterator.tryAdvance(ArrayList.java:1359) at java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:126) at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:498) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:485) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:152) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:464) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.resolve(EngineDiscoveryRequestResolution.java:185) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.resolve(EngineDiscoveryRequestResolution.java:125) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.resolveCompletely(EngineDiscoveryRequestResolution.java:91) ... 12 more Caused by: java.lang.ClassNotFoundException: com.......Test at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at org.junit.platform.commons.util.ReflectionUtils.lambda$tryToLoadClass$9(ReflectionUtils.java:792) at org.junit.platform.commons.function.Try.lambda$call$0(Try.java:57) at org.junit.platform.commons.function.Try.of(Try.java:93) at org.junit.platform.commons.function.Try.call(Try.java:57) at org.junit.platform.commons.util.ReflectionUtils.tryToLoadClass(ReflectionUtils.java:755) at org.junit.platform.commons.util.ReflectionUtils.tryToLoadClass(ReflectionUtils.java:711) ... 28 more
背景：
非常正常的一个junit 测试类，别的@Test方法皆可正常运行，但是一加某个新的方法，就会报如上错误
项目是微服务项目，开发工具是idea, 一个workspace内导入多个service
解决方案：
根本错误是 ClassNotFoundException, 怀疑是有类似的名字的test文件，intellij无法准确找到，新开一个workSpace之后，单独导入这一个service，运行即可，怀疑是intellij抽风....但是切回原有workspace始终会有该问题，如果有朋友有更好解决方案，欢迎留言探讨～
