Spring AOP异常处理(error at ::0 formal unbound in pointcut)

本文详细介绍了在使用AspectJ进行面向切面编程时遇到的'formal unbound in pointcut'错误,该问题源于切点定义或通知配置不正确。通过检查XML和注解配置,发现异常通知部分没有正确指定异常参数。修复方法是在`after-throwing`标签和`@AfterThrowing`注解中明确指定异常参数'e'。同时,总结了Spring AOP配置中常见的错误原因,包括缺失依赖、包扫描错误、注解配置错误和配置文件格式问题。了解这些排查步骤,能有效解决Spring AOP相关问题。

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【问题背景】

基于XML配置开发AspectJ和基于注解开发AspectJ时报错:error at ::0 formal unbound in pointcut

【问题分析】

切点绑定失败,必然是AspectJ相关配置出现问题。

【问题解决】

逐一查看配置,包括每个切点的定义,切面配置,通知配置。经排查,发现是“异常通知”配置有误,没有将异常throwing出去。

修改前:

<aop:after-throwing method="exceptAdvice" pointcut-ref="pointCut1"/>

@AfterThrowing(value="pointCut1()")

       public void exceptAdvice(Throwable e) {

              System.out.println("异常通知,程序执行异常"+e.getMessage());

 }

 修改后:

<aop:after-throwing method="exceptAdvice" pointcut-ref="pointCut1" throwing="e"/>

@AfterThrowing(value="pointCut1()",throwing="e")

       public void exceptAdvice(Throwable e) {

              System.out.println("异常通知,程序执行异常"+e.getMessage());

}

 【总结】

Spring AOP出现问题很容易排查的,常见的报错原因可能有:

1.缺少依赖包

2.包扫描失败或未正确扫描目标类或切面类所在的包

3.注解配置时,(函数本身或注解)参数遗漏或者参数错误、缺少注解等。

4.配置文件中配置AspectJ时,标签属性遗漏或属性值格式不正确。

org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.boot.autoconfigure.web.servlet.ServletWebServerFactoryConfiguration$EmbeddedTomcat': Initialization of bean failed; nested exception is java.lang.IllegalArgumentException: error at ::0 formal unbound in pointcut at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:165) ~[spring-boot-2.7.13.jar:2.7.13]at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:577) ~[spring-context-5.3.28.jar:5.3.28]at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:147) ~[spring-boot-2.7.13.jar:2.7.13]at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:731) [spring-boot-2.7.13.jar:2.7.13]at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408) [spring-boot-2.7.13.jar:2.7.13]at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) [spring-boot-2.7.13.jar:2.7.13]at org.springframework.boot.SpringApplication.run(SpringApplication.java:1303) [spring-boot-2.7.13.jar:2.7.13]at org.springframework.boot.SpringApplication.run(SpringApplication.java:1292) [spring-boot-2.7.13.jar:2.7.13]at com.hzb.ServerApplication.main(ServerApplication.java:10) [classes/:na]Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.boot.autoconfigure.web.servlet.ServletWebServerFactoryConfiguration$EmbeddedTomcat': Initialization of bean failed; nested exception is java.lang.IllegalArgumentException: error at ::0 formal unbound in pointcut at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAu
06-25
Error creating bean with name 'webMvcObjectMapperConfigurer' defined in class path resource [springfox/documentation/spring/web/SpringfoxWebMvcConfiguration.class]: Initialization of bean failed; nested exception is java.lang.IllegalArgumentException: error at ::0 formal unbound in pointcut at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:628) ~[spring-beans-5.3.28.jar:5.3.28] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.28.jar:5.3.28] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.28.jar:5.3.28] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.28.jar:5.3.28] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.28.jar:5.3.28] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:213) ~[spring-beans-5.3.28.jar:5.3.28] at org.springframework.context.support.PostProcessorRegistrationDelegate.registerBeanPostProcessors(PostProcessorRegistrationDelegate.java:270) ~[spring-context-5.3.28.jar:5.3.28] at org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:764) ~[spring-context-5.3.28.jar:5.3.28] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:567) ~[spring-context-5.3.28.jar:5.3.28] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:147) ~[spring-boot-2.7.13.jar:2.7.13] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:731) [spring-boot-2.7.13.jar:2.7.13] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408) [spring-boot-2.7.13.jar:2.7.13] at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) [spring-boot-2.7.13.jar:2.7.13] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1303) [spring-boot-2.7.13.jar:2.7.13] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1292) [spring-boot-2.7.13.jar:2.7.13] at com.hzb.ServerApplication.main(ServerApplication.java:12) [classes/:na] Caused by: java.lang.IllegalArgumentException: error at ::0 formal unbound in pointcut at org.aspectj.weaver.tools.PointcutParser.parsePointcutExpression(PointcutParser.java:319) ~[aspectjweaver-1.9.7.jar:na] at org.springframework.aop.aspectj.AspectJExpressionPointcut.buildPointcutExpression(AspectJExpressionPointcut.java:227) ~[spring-aop-5.3.28.jar:5.3.28] at org.springframework.aop.aspectj.AspectJExpressionPointcut.obtainPointcutExpression(AspectJExpressionPointcut.java:198) ~[spring-aop-5.3.28.jar:5.3.28] at org.springframework.aop.aspectj.AspectJExpressionPointcut.getClassFilter(AspectJExpressionPointcut.java:177) ~[spring-aop-5.3.28.jar:5.3.28] at org.springframework.aop.support.AopUtils.canApply(AopUtils.java:226) ~[spring-aop-5.3.28.jar:5.3.28] at org.springframework.aop.support.AopUtils.canApply(AopUtils.java:289) ~[spring-aop-5.3.28.jar:5.3.28] at org.springframework.aop.support.AopUtils.findAdvisorsThatCanApply(AopUtils.java:321) ~[spring-aop-5.3.28.jar:5.3.28] at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.findAdvisorsThatCanApply(AbstractAdvisorAutoProxyCreator.java:128) ~[spring-aop-5.3.28.jar:5.3.28] at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.findEligibleAdvisors(AbstractAdvisorAutoProxyCreator.java:97) ~[spring-aop-5.3.28.jar:5.3.28] at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.getAdvicesAndAdvisorsForBean(AbstractAdvisorAutoProxyCreator.java:78) ~[spring-aop-5.3.28.jar:5.3.28] at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:341) ~[spring-aop-5.3.28.jar:5.3.28] at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:293) ~[spring-aop-5.3.28.jar:5.3.28] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:455) ~[spring-beans-5.3.28.jar:5.3.28] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1808) ~[spring-beans-5.3.28.jar:5.3.28] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620) ~[spring-beans-5.3.28.jar:5.3.28] ... 15 common frames omitted
最新发布
06-25
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