AspectJ LTW未在Tomcat中使用Spring进行配置

Question

我已按照以下春季文档中给出的步骤进行操作：https://docs.spring.io/spring/docs/4.3.14.RELEASE/spring-framework-reference/html/aop.html#aop-aj-ltw

我的项目是带有诸如此类的模块的整体：

模块m1中的ApplicationService。带有父项m1的子模块m2。（m1对m2有依赖性）

m1 / WebContent / META-INF / aop.xml中的aop.xml文件，如下所示：

<!DOCTYPE aspectj PUBLIC "-//AspectJ//DTD//EN" "http://www.eclipse.org/aspectj/dtd/aspectj.dtd">

<aspectj>    
    <weaver>
        <!-- only weave classes in our application-specific packages -->
        <include within="m2.*"/>
    </weaver>

<aspects>
    <!-- weave in just this aspect -->
    <aspect name="m2.security.FieldPermissionAspect"/>
</aspects>

m1 / src / main / webapp / WEB-INF中的Application-context.xml文件，如下所示：

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:tx="http://www.springframework.org/schema/tx" xmlns:task="http://www.springframework.org/schema/task"
xmlns="http://www.springframework.org/schema/beans" xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-3.2.xsd
    http://www.springframework.org/schema/mvc
    http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd
    http://www.springframework.org/schema/task
    http://www.springframework.org/schema/task/spring-task-3.2.xsd
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
    http://www.springframework.org/schema/aop
    http://www.springframework.org/schema/aop/spring-aop-3.2.xsd">
...

<mvc:annotation-driven />
<aop:aspectj-autoproxy />
<task:annotation-driven />
<!-- this switches on the load-time weaving -->
<context:load-time-weaver weaver-class="org.springframework.instrument.classloading.tomcat.TomcatLoadTimeWeaver"/>

我在m2.security中的方面如下：

package m2.security;


import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;


@Aspect
@Component
public class FieldPermissionAspect {


    @Pointcut("execution(public * *(..))")
    public void combinedPointcut() {}

    @Around("combinedPointcut()")
    public void aroundMapper(ProceedingJoinPoint joinPoint) {
        ...
    }

    @Around("cflow(combinedPointcut())")
    public void aroundSetter(ProceedingJoinPoint joinPoint) {
        ...
    }
}

m2中pom.xml中的AspectJ依赖项：

<dependencies>
    <dependency>
        <groupId>org.aspectj</groupId>
        <artifactId>aspectjweaver</artifactId>
        <version>1.8.7</version>
        <scope>runtime</scope>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjrt -->
    <dependency>
        <groupId>org.aspectj</groupId>
        <artifactId>aspectjrt</artifactId>
        <version>1.8.7</version>
    </dependency>

</dependencies>

[当我在tomcat环境中运行时，出现以下错误：

Caused by: org.aspectj.weaver.tools.UnsupportedPointcutPrimitiveException: Pointcut expression 'cflow(combinedPointcut())' contains unsupported pointcut primitive 'cflow'
at org.aspectj.weaver.tools.PointcutParser.validateAgainstSupportedPrimitives(PointcutParser.java:425)
at org.aspectj.weaver.tools.PointcutParser.resolvePointcutExpression(PointcutParser.java:311)
at org.aspectj.weaver.tools.PointcutParser.parsePointcutExpression(PointcutParser.java:294)
at org.springframework.aop.aspectj.AspectJExpressionPointcut.buildPointcutExpression(AspectJExpressionPointcut.java:207)
at org.springframework.aop.aspectj.AspectJExpressionPointcut.checkReadyToMatch(AspectJExpressionPointcut.java:193)
at org.springframework.aop.aspectj.AspectJExpressionPointcut.getClassFilter(AspectJExpressionPointcut.java:170)
at org.springframework.aop.support.AopUtils.canApply(AopUtils.java:208)
at org.springframework.aop.support.AopUtils.canApply(AopUtils.java:262)
at org.springframework.aop.support.AopUtils.findAdvisorsThatCanApply(AopUtils.java:294)
at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.findAdvisorsThatCanApply(AbstractAdvisorAutoProxyCreator.java:118)
at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.findEligibleAdvisors(AbstractAdvisorAutoProxyCreator.java:88)
at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.getAdvicesAndAdvisorsForBean(AbstractAdvisorAutoProxyCreator.java:69)
at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:330)
at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:293)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:422)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1577)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
... 66 more

我认为这是因为在我的方面，spring仍在使用Spring AOP而不是AspectJ。我在这里想念什么？

Answer 1

如果要使用AspectJ LTW而不是Spring AOP，则不应使用Spring AOP配置。因此请摆脱<aop:aspectj-autoproxy />。尽管名称是关于Spring AOP，而不是AspectJ。 AspectJ不使用任何代理。

关于您的错误消息，...

Caused by: org.aspectj.weaver.tools.UnsupportedPointcutPrimitiveException:
  Pointcut expression 'cflow(combinedPointcut())'
  contains unsupported pointcut primitive 'cflow'

...这是因为您仍在使用Spring AOP，所以没有使用AspectJ LTW。因此，您遇到配置问题。如果您使用[]启动容器，是否可行

-javaagent:/path/to/aspectjweaver.jar
在Java命令行上？

最后但并非最不重要的一点，就像我在您的previous question中说过3倍，请在GitHub上提供MCVE，这样我就可以分析您的问题了。除了推测您在此处提供的信息外，我真的不能做其他事情。因此，请按照我的要求做，并帮助我为您提供帮助。谢谢。