&引用；java.lang.NoClassDefFoundError:无法初始化类X“；春季开机单元测试

我正在为我的应用程序使用SpringBoot来管理DI和JavaFX视图组件。我想编写测试来检查我的bean是否按预期工作。然而，当我运行测试时，Spring Boot无法实例化一些bean，当我运行应用程序时，它可以工作，但不能在测试中工作：

java.lang.IllegalStateException: Failed to load ApplicationContext
    at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:125) ~[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:108) ~[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:118) ~[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:83) ~[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.boot.test.autoconfigure.SpringBootDependencyInjectionTestExecutionListener.prepareTestInstance(SpringBootDependencyInjectionTestExecutionListener.java:43) ~[spring-boot-test-autoconfigure-2.1.9.RELEASE.jar:2.1.9.RELEASE]
    at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:246) ~[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:227) [spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289) [spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) [junit-4.12.jar:4.12]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291) [spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:246) [spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97) [spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) [junit-4.12.jar:4.12]
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) [junit-4.12.jar:4.12]
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) [junit-4.12.jar:4.12]
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) [junit-4.12.jar:4.12]
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) [junit-4.12.jar:4.12]
    at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) [spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) [spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363) [junit-4.12.jar:4.12]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190) [spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86) [.cp/:na]
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) [.cp/:na]
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459) [.cp/:na]
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675) [.cp/:na]
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382) [.cp/:na]
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192) [.cp/:na]
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'initialWindowController': Unsatisfied dependency expressed through field 'validationSupport'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'validationSupportWrapper' defined in file [C:\Users\jan\Desktop\typingapp\target\classes\com\typingapp\utils\misc\ValidationSupportWrapper.class]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.typingapp.utils.misc.ValidationSupportWrapper]: Constructor threw exception; nested exception is java.lang.ExceptionInInitializerError
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:598) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:90) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:376) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1411) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:592) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:847) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877) ~[spring-context-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) ~[spring-context-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744) ~[spring-boot-2.1.9.RELEASE.jar:2.1.9.RELEASE]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391) ~[spring-boot-2.1.9.RELEASE.jar:2.1.9.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) ~[spring-boot-2.1.9.RELEASE.jar:2.1.9.RELEASE]
    at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:120) ~[spring-boot-test-2.1.9.RELEASE.jar:2.1.9.RELEASE]
    at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99) ~[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:117) ~[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    ... 26 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'validationSupportWrapper' defined in file [C:\Users\jan\Desktop\typingapp\target\classes\com\typingapp\utils\misc\ValidationSupportWrapper.class]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.typingapp.utils.misc.ValidationSupportWrapper]: Constructor threw exception; nested exception is java.lang.ExceptionInInitializerError
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1303) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1197) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:277) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1255) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1175) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:595) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    ... 44 common frames omitted
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.typingapp.utils.misc.ValidationSupportWrapper]: Constructor threw exception; nested exception is java.lang.ExceptionInInitializerError
    at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:184) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:87) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1295) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    ... 55 common frames omitted
Caused by: java.lang.ExceptionInInitializerError: null
    at org.controlsfx.validation.ValidationSupport.<init>(ValidationSupport.java:221) ~[controlsfx-8.40.14.jar:8.40.14]
    at com.typingapp.utils.misc.ValidationSupportWrapper.<init>(ValidationSupportWrapper.java:25) ~[classes/:na]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_221]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[na:1.8.0_221]
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[na:1.8.0_221]
    at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[na:1.8.0_221]
    at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:172) ~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
    ... 57 common frames omitted
Caused by: java.lang.RuntimeException: Internal graphics not initialized yet
    at com.sun.glass.ui.Screen.getScreens(Screen.java:70) ~[jfxrt.jar:na]
    at com.sun.javafx.tk.quantum.QuantumToolkit.getScreens(QuantumToolkit.java:742) ~[jfxrt.jar:na]
    at com.sun.javafx.tk.quantum.QuantumToolkit.getMaxRenderScale(QuantumToolkit.java:762) ~[jfxrt.jar:na]
    at com.sun.javafx.tk.quantum.QuantumToolkit.loadImage(QuantumToolkit.java:770) ~[jfxrt.jar:na]
    at javafx.scene.image.Image.loadImage(Image.java:1065) ~[jfxrt.jar:na]
    at javafx.scene.image.Image.initialize(Image.java:807) ~[jfxrt.jar:na]
    at javafx.scene.image.Image.<init>(Image.java:621) ~[jfxrt.jar:na]
    at org.controlsfx.validation.decoration.GraphicValidationDecoration.<clinit>(GraphicValidationDecoration.java:61) ~[controlsfx-8.40.14.jar:8.40.14]
    ... 64 common frames omitted

java.lang.IllegalStateException:无法加载ApplicationContext
在org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext（DefaultCacheAwareContextLoaderDelegate.java:125）~[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
在org.springframework.test.context.support.DefaultTestContext.getApplicationContext（DefaultTestContext.java:108）~[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
在org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies（DependencyInjectionTestExecutionListener.java:118）~[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
在org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance（DependencyInjectionTestExecutionListener.java:83）~[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
在org.springframework.boot.test.autoconfigure.SpringBootDependencyInjectionTestExecutionListener.prepareTestInstance（SpringBootDependencyInjectionTestExecutionListener.java:43）~[spring-boot-test-autoconfigure-2.1.9.RELEASE.jar:2.1.9.RELEASE]
在org.springframework.test.context.TestContextManager.prepareTestInstance（TestContextManager.java:246）~[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
在org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest（SpringJUnit4ClassRunner.java:227）[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
位于org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectCall（SpringJUnit4ClassRunner.java:289）[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
位于org.junit.internal.runners.model.ReflectVeCallable.run（reflectVeCallable.java:12）[junit-4.12.jar:4.12]
位于org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock（SpringJUnit4ClassRunner.java:291）[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
位于org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild（SpringJUnit4ClassRunner.java:246）[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
位于org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild（SpringJUnit4ClassRunner.java:97）[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
在org.junit.runners.ParentRunner$3.run（ParentRunner.java:290）[junit-4.12.jar:4.12]
在org.junit.runners.ParentRunner$1.schedule（ParentRunner.java:71）[junit-4.12.jar:4.12]
在org.junit.runners.ParentRunner.runChildren（ParentRunner.java:288）[junit-4.12.jar:4.12]
在org.junit.runners.ParentRunner.access$000（ParentRunner.java:58）[junit-4.12.jar:4.12]
在org.junit.runners.ParentRunner$2.evaluate（ParentRunner.java:268）[junit-4.12.jar:4.12]
位于org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate（RunBeforeTestClassCallbacks.java:61）[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
位于org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate（RunAfterTestClassCallbacks.java:70）[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
在org.junit.runners.ParentRunner.run（ParentRunner.java:363）[junit-4.12.jar:4.12]
在org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run（SpringJUnit4ClassRunner.java:190）[spring-test-5.1.10.RELEASE.jar:5.1.10.RELEASE]
在org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run（JUnit4TestReference.java:86）[.cp/：na]
在org.eclipse.jdt.internal.junit.runner.TestExecution.run（TestExecution.java:38）[.cp/：na]
在org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests（RemoteTestRunner.java:459）[.cp/：na]
位于org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests（RemoteTestRunner.java:675）[.cp/：na]
在org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run（RemoteTestRunner.java:382）[.cp/：na]
位于org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main（RemoteTestRunner.java:192）[.cp/：na]
原因：org.springframework.beans.factory.UnsatifiedDependencyException:创建名为“initialWindowController”的bean时出错：通过字段“validationSupport”表示的未满足的依赖关系；嵌套异常为org.springframework.beans.factory.BeanCreationException:创建名为“validationSupportWrapper”的bean时出错，该名称在文件[C:\Users\jan\Desktop\typingapp\target\classes\com\typingapp\utils\misc\validationSupportWrapper.class]中定义：bean实例化失败；嵌套异常为org.springframework.beans.beanstanitiationException:未能实例化[com.typingapp.utils.misc.ValidationSupportWrapper]：构造函数引发异常；嵌套异常为java.lang.ExceptionInInitializeError
在org.springframework.beans.factory.annotation.AutoWiredNotationBeanPostProcessor$AutoWiredFeldElement.inject（AutoWiredNotationBeanPostProcessor.java:598）~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
在org.springframework.beans.factory.annotation.InjectionMetadata.inject（InjectionMetadata.java:90）~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
在org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties（AutowiredAnnotationBeanPostProcessor.java:376）~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean（AbstractAutowireCapableBeanFactory.java:1411）~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean（AbstractAutowireCapableBeanFactory.java:592）~[spring-beans-5.1.10.RELEASE.jar:5.1.10.RELEASE]
位于org.springframework.beans.f
@RunWith(SpringRunner.class)
@ContextConfiguration(classes = ApplicationConfig.class, loader = AnnotationConfigContextLoader.class)

public class LoadCommonUsedWordsTest {

    @Autowired
    List<String> words;

    @Test
    public void commonWordsNotNull() {
        assertNotNull(words);
    }

    @Test
    public void loadCommonWords() {
        assertEquals(9894, words.size());
    }

}