org.springframework.beans.factory.BeanNotOfRequiredTypeException: Bean named 'org.springframework.transaction.interceptor.TransactionInterceptor#0' is expected to be of type 'org.aopalliance.aop.Advice' but was actually of type 'org.springframework.transapackage?com.lzj.Spring_second.test3; import?org.springframework.beans.factory.annotation.Autowired; import?org.springframework.stereotype.Service; import?org.springframework.transaction.annotation.Transactional; @Service("bookStoreServiceImpl") public?class?BookStoreServiceImpl?implements?BookStoreService?{ // 自動注入DAO(接口注入) @Autowired private?BookStore?bookStoreImpl; // 添加事物注解 @Transactional @Override public?void?purchaseBook(String?userName,String?bookName)?{ // 查看購買書的價格 int?price?=?bookStoreImpl.getBookByName(bookName); // 更新庫存 bookStoreImpl.updateBookStore(bookName); // 更新客戶的錢 bookStoreImpl.updateCustomerMoney(userName,?price); } }一添加@Transactional注解就拋上面的錯誤，好多人說是動態代理中拋出來的，但是我的Bean都是接口注入的也還是報錯，下面是事物的相關配置，哪位大神幫忙看看，多謝！<!--?配置自動掃描包?--> <context:component-scan?base-package="com.lzj.Spring_second.test3"></context:component-scan> <!--?引入外部數據?--> <context:property-placeholder?location="classpath:com/lzj/Spring_second/test3/config/data.properties"/> <!--?通過數據源連接數據庫?--> <bean?id="sqlConnctionDataSource"?class="com.mchange.v2.c3p0.ComboPooledDataSource"> <property?name="user"?value="${user}"></property> <property?name="password"?value="${password}"></property> <property?name="driverClass"?value="${driverClass}"></property> <property?name="jdbcUrl"?value="${jdbcUrl}"></property> </bean> <!--?配置事物管理器?--> <bean?id="transactionManager"?class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property?name="dataSource"?ref="sqlConnctionDataSource"></property> </bean> <!--?啟用事物管理器注解?--> <tx:annotation-driven?transaction-manager="transactionManager"/>