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项目结构：
报错信息：
2020-09-29 11:08:18,555 2383 [on(3)-127.0.0.1] WARN pport.XmlWebApplicationContext - Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'accountService': Unsatisfied dependency expressed through field 'accountDao'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'accountDao' defined in file [E:\JAVA\project\SSMProject\springMVC\ssm\target\ssm-1.0-SNAPSHOT\WEB-INF\classes\cn\itcast\dao\AccountDao.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactoryBean' defined in class path resource [applicationContext.xml]: Cannot resolve reference to bean 'dataSource' while setting bean property 'dataSource'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [applicationContext.xml]: Initialization of bean failed; nested exception is java.lang.IllegalArgumentException: warning no match for this type name: cn.itcast.service.impl [Xlint:invalidAbsoluteTypeName] 2020-09-29 11:08:18,571 2399 [on(3)-127.0.0.1] ERROR work.web.context.ContextLoader - Context initialization failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'accountService': Unsatisfied dependency expressed through field 'accountDao'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'accountDao' defined in file [E:\JAVA\project\SSMProject\springMVC\ssm\target\ssm-1.0-SNAPSHOT\WEB-INF\classes\cn\itcast\dao\AccountDao.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactoryBean' defined in class path resource [applicationContext.xml]: Cannot resolve reference to bean 'dataSource' while setting bean property 'dataSource'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [applicationContext.xml]: Initialization of bean failed; nested exception is java.lang.IllegalArgumentException: warning no match for this type name: cn.itcast.service.impl [Xlint:invalidAbsoluteTypeName] at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:586) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:91) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:372)
经检查发现是AOP增强配置错了
正确配置：
<!--配置AOP增强--> <aop:config> <aop:advisor advice-ref="txAdvice" pointcut="execution(* cn.itcast.service.impl.*ServiceImpl.*(..))"/> </aop:config>本文地址：https://blog.csdn.net/sunshine543123/article/details/108864779
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