我是春天的新手。在配置 root-context.xml 時。我收到一條錯誤消息：在方面定義“方面定義”上發生類依賴錯誤“org/springframework/context/event/EventListenerFactory”。對此問題的任何解決方案都將受到高度贊賞。這是我的根上下文文件：<beans xmlns="http://www.springframework.org/schema/beans"    xmlns:mvc="http://www.springframework.org/schema/mvc"    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    xmlns:p="http://www.springframework.org/schema/p"    xmlns:tx="http://www.springframework.org/schema/tx"    xmlns:context="http://www.springframework.org/schema/context"    xmlns:security="http://www.springframework.org/schema/security"    xmlns:oauth="http://www.springframework.org/schema/security/oauth2"    xmlns:util="http://www.springframework.org/schema/util"    xsi:schemaLocation="http://www.springframework.org/schema/security/oauth2 http://www.springframework.org/schema/security/spring-security-oauth2-2.0.xsd        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd        http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-4.2.xsd        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.3.xsd        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">