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 elements = new ArrayList<>();
		Class targetClass = clazz;

		do {
			final List 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);
	}