代码错误信息：
org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘calImpl’ defined in file [/Users/lyy0217/Downloads/SSM/target/classes/com/cm/service/aop/CalImpl.class]: BeanPostProcessor before instantiation of bean failed; nested exception is java.lang.NoClassDefFoundError: org/aspectj/weaver/reflect/ReflectionWorld$ReflectionWorldException
…
…
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Caused by: java.lang.NoClassDefFoundError:
org/aspectj/weaver/reflect/ReflectionWorld$ReflectionWorldException
在学习aop编程时，写代码出现上述错误。解决方案，在pop.xml中添加aspectjweaver依赖：
<dependency><groupId> org.aspectj</groupId ><artifactId> aspectjweaver</artifactId ><version> 1.8.9</version
</dependency>
)
