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spring中junit 提示Failed to load ApplicationContext
错误提示: 1:java.lang.IllegalStateException: Failed to load ApplicationContext
2:Error creating bean with name ‘userService‘ defined in class path resource [UserService.xml]: Initialization of bean failed; nested exception is org.springframework.aop.framework.AopConfigException: Cannot proxy target class because CGLIB2 is not available. Add CGLIB to the class path or specify proxy interfaces.
3:Cannot proxy target class because CGLIB2 is not available. Add CGLIB to the class path or specify proxy interfaces.
根本原因:由于web在加载spring的配置文件(applicationContext.xml)时,发生了错误,而错误是3(cglib2不可用),所以根本原因是缺少cglib的包。
applicationContext.xml中的代理配置如下:
<!-- 指定使用cglib -->
<aop:aspectj-autoproxy proxy-target-class="true" />
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="*" />
</tx:attributes>
</tx:advice>
<!-- 通过AOP配置提供事务增强,让service包下所有bean的所有方法拥有事务 -->
<aop:config proxy-target-class="true">
<aop:pointcut id="serviceMethod" expression=" execution(* com.luxl.service..*(..))" />
<aop:advisor pointcut-ref="serviceMethod" advice-ref="txAdvice" />
</aop:config>
解决方法:在maven中添加cglib的包,如下:
<dependency>
<groupId>cglib</groupId>
<artifactId>cglib</artifactId>
<version>2.2.2</version>
</dependency>