Error creating bean with name 'dataSource' defined in class path resource [spring/spring-dao.xml]:

• Error creating bean with name ‘dataSource’ defined in class path resource [spring/spring-dao.xml]: BeanPostProcessor before instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘org.springframework.aop.support.DefaultBeanFactoryPointcutAdvisor#0’: Cannot resolve reference to bean ‘pt1’ while setting bean property ‘pointcut’; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘pt1’: Lookup method resolution failed; nested exception is java.lang.IllegalStateException: Failed to introspect Class [org.springframework.aop.aspectj.AspectJExpressionPointcut] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2]

• SSM整合时配置spring事务报错，将事务注释则正常
  原因：缺少aspectjweaver相关jar包，添加坐标问题解决

<dependency><groupId>org.aspectj</groupId><artifactId>aspectjweaver</artifactId><version>1.8.7</version>
</dependency>