java.lang.IllegalStateException: Failed to introspect Class from ClassLoader [sun.misc.Launcher$AppC

java.lang.IllegalStateException: Failed to introspect Class [org.example.framework.web.ServletBase] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2]

定位源码位置

org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory

断点进入

报错源码片段

org.springframework.context.annotation.CommonAnnotationBeanPostProcessor

	private InjectionMetadata buildResourceMetadata(final Class<?> clazz) {if (!AnnotationUtils.isCandidateClass(clazz, resourceAnnotationTypes)) {return InjectionMetadata.EMPTY;}List<InjectionMetadata.InjectedElement> elements = new ArrayList<>();Class<?> targetClass = clazz;do {final List<InjectionMetadata.InjectedElement> currElements = new ArrayList<>();ReflectionUtils.doWithLocalFields(targetClass, field -> {if (webServiceRefClass != null && field.isAnnotationPresent(webServiceRefClass)) {if (Modifier.isStatic(field.getModifiers())) {throw new IllegalStateException("@WebServiceRef annotation is not supported on static fields");}currElements.add(new WebServiceRefElement(field, field, null));}else if (ejbClass != null && field.isAnnotationPresent(ejbClass)) {if (Modifier.isStatic(field.getModifiers())) {throw new IllegalStateException("@EJB annotation is not supported on static fields");}currElements.add(new EjbRefElement(field, field, null));}else if (field.isAnnotationPresent(Resource.class)) {if (Modifier.isStatic(field.getModifiers())) {throw new IllegalStateException("@Resource annotation is not supported on static fields");}if (!this.ignoredResourceTypes.contains(field.getType().getName())) {currElements.add(new ResourceElement(field, field, null));}}});ReflectionUtils.doWithLocalMethods(targetClass, method -> {Method bridgedMethod = BridgeMethodResolver.findBridgedMethod(method);if (!BridgeMethodResolver.isVisibilityBridgeMethodPair(method, bridgedMethod)) {return;}if (method.equals(ClassUtils.getMostSpecificMethod(method, clazz))) {if (webServiceRefClass != null && bridgedMethod.isAnnotationPresent(webServiceRefClass)) {if (Modifier.isStatic(method.getModifiers())) {throw new IllegalStateException("@WebServiceRef annotation is not supported on static methods");}if (method.getParameterCount() != 1) {throw new IllegalStateException("@WebServiceRef annotation requires a single-arg method: " + method);}PropertyDescriptor pd = BeanUtils.findPropertyForMethod(bridgedMethod, clazz);currElements.add(new WebServiceRefElement(method, bridgedMethod, pd));}else if (ejbClass != null && bridgedMethod.isAnnotationPresent(ejbClass)) {if (Modifier.isStatic(method.getModifiers())) {throw new IllegalStateException("@EJB annotation is not supported on static methods");}if (method.getParameterCount() != 1) {throw new IllegalStateException("@EJB annotation requires a single-arg method: " + method);}PropertyDescriptor pd = BeanUtils.findPropertyForMethod(bridgedMethod, clazz);currElements.add(new EjbRefElement(method, bridgedMethod, pd));}else if (bridgedMethod.isAnnotationPresent(Resource.class)) {if (Modifier.isStatic(method.getModifiers())) {throw new IllegalStateException("@Resource annotation is not supported on static methods");}Class<?>[] paramTypes = method.getParameterTypes();if (paramTypes.length != 1) {throw new IllegalStateException("@Resource annotation requires a single-arg method: " + method);}if (!this.ignoredResourceTypes.contains(paramTypes[0].getName())) {PropertyDescriptor pd = BeanUtils.findPropertyForMethod(bridgedMethod, clazz);currElements.add(new ResourceElement(method, bridgedMethod, pd));}}}});elements.addAll(0, currElements);targetClass = targetClass.getSuperclass();}while (targetClass != null && targetClass != Object.class);return InjectionMetadata.forElements(elements, clazz);}