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Spring boot 2.0 升级到 3.3.1 的相关问题 （六）

news 2025/8/16 11:00:07

文章目录

  • Spring boot 2.0 升级到 3.3.1 的相关问题 （六）
    • `spring-data-redis` 和 `Spring AOP` 警告的问题
      • 问题描述
      • 问题调研
      • 结论
      • 解决方案
        • 方案1-将冲突的Bean 提升为`InfrastructureBean`
        • 方案2
      • 其他相关资料

Spring boot 2.0 升级到 3.3.1 的相关问题 （六）

spring-data-redis 和 Spring AOP 警告的问题

问题描述

启动的时候会出现类似于这种内容的警告信息

2024-07-22T17:48:33.448+08:00  WARN 40892 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'com.alibaba.druid.spring.boot3.autoconfigure.stat.DruidSpringAopConfiguration' of type [com.alibaba.druid.spring.boot3.autoconfigure.stat.DruidSpringAopConfiguration] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying). Is this bean getting eagerly injected into a currently created BeanPostProcessor [projectingArgumentResolverBeanPostProcessor]? Check the corresponding BeanPostProcessor declaration and its dependencies.
2024-07-22T17:48:33.560+08:00  WARN 40892 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'spring.datasource.druid-com.alibaba.druid.spring.boot3.autoconfigure.properties.DruidStatProperties' of type [com.alibaba.druid.spring.boot3.autoconfigure.properties.DruidStatProperties] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying). Is this bean getting eagerly injected into a currently created BeanPostProcessor [projectingArgumentResolverBeanPostProcessor]? Check the corresponding BeanPostProcessor declaration and its dependencies.
2024-07-22T17:48:33.565+08:00  WARN 40892 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'advisor' of type [org.springframework.aop.support.RegexpMethodPointcutAdvisor] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying). Is this bean getting eagerly injected into a currently created BeanPostProcessor [projectingArgumentResolverBeanPostProcessor]? Check the corresponding BeanPostProcessor declaration and its dependencies.

问题调研

在2.0 版本中，也有类似的日志，但是info级别的。

[2024-07-24 13:33:00.107] [] [main] INFO : [o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker:328] - Bean 'com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceAutoConfigure' of type [com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceAutoConfigure$$EnhancerBySpringCGLIB$$2505a1af] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
[2024-07-24 13:33:00.166] [] [main] INFO : [c.a.d.s.b.a.DruidDataSourceAutoConfigure:56] - Init DruidDataSource
[2024-07-24 13:33:01.989] [] [main] INFO : [o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker:328] - Bean 'org.springframework.boot.context.properties.ConversionServiceDeducer$Factory' of type [org.springframework.boot.context.properties.ConversionServiceDeducer$Factory] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
[2024-07-24 13:33:12.885] [] [main] INFO : [o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker:328] - Bean 'spring.datasource-org.springframework.boot.autoconfigure.jdbc.DataSourceProperties' of type [org.springframework.boot.autoconfigure.jdbc.DataSourceProperties] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)

相关代码
org.springframework.context.support.PostProcessorRegistrationDelegate.BeanPostProcessorChecker#postProcessAfterInitialization
2.0 版本

		@Overridepublic Object postProcessAfterInitialization(Object bean, String beanName) {if (!(bean instanceof BeanPostProcessor) && !isInfrastructureBean(beanName) &&this.beanFactory.getBeanPostProcessorCount() < this.beanPostProcessorTargetCount) {if (logger.isInfoEnabled()) {logger.info("Bean '" + beanName + "' of type [" + bean.getClass().getName() +"] is not eligible for getting processed by all BeanPostProcessors " +"(for example: not eligible for auto-proxying)");}}return bean;}

3.0 版本代码
org.springframework.context.support.PostProcessorRegistrationDelegate.BeanPostProcessorChecker#postProcessAfterInitialization

@Overridepublic Object postProcessAfterInitialization(Object bean, String beanName) {if (!(bean instanceof BeanPostProcessor) && !isInfrastructureBean(beanName) &&this.beanFactory.getBeanPostProcessorCount() < this.beanPostProcessorTargetCount) {if (logger.isWarnEnabled()) {Set<String> bppsInCreation = new LinkedHashSet<>(2);for (String bppName : this.postProcessorNames) {if (this.beanFactory.isCurrentlyInCreation(bppName)) {bppsInCreation.add(bppName);}}if (bppsInCreation.size() == 1) {String bppName = bppsInCreation.iterator().next();if (this.beanFactory.containsBeanDefinition(bppName) &&beanName.equals(this.beanFactory.getBeanDefinition(bppName).getFactoryBeanName())) {logger.warn("Bean '" + beanName + "' of type [" + bean.getClass().getName() +"] is not eligible for getting processed by all BeanPostProcessors " +"(for example: not eligible for auto-proxying). The currently created " +"BeanPostProcessor " + bppsInCreation + " is declared through a non-static " +"factory method on that class; consider declaring it as static instead.");return bean;}}logger.warn("Bean '" + beanName + "' of type [" + bean.getClass().getName() +"] is not eligible for getting processed by all BeanPostProcessors " +"(for example: not eligible for auto-proxying). Is this bean getting eagerly " +"injected into a currently created BeanPostProcessor " + bppsInCreation + "? " +"Check the corresponding BeanPostProcessor declaration and its dependencies.");}}return bean;}private boolean isInfrastructureBean(@Nullable String beanName) {if (beanName != null && this.beanFactory.containsBeanDefinition(beanName)) {BeanDefinition bd = this.beanFactory.getBeanDefinition(beanName);return (bd.getRole() == BeanDefinition.ROLE_INFRASTRUCTURE);}return false;}}

问题是由引入的spring-data-commons 包引起的。

结论

核心是因为org.springframework.aop.config.internalAutoProxyCreator Bean (通常对应的实现类是AnnotationAwareAspectJAutoProxyCreator) 会对所有的Bean进行增强，在这个过程中会出现要增强的Bean是BeanPostProcessor 比如org.springframework.data.web.config.ProjectingArgumentResolverRegistrar.ProjectingArgumentResolverBeanPostProcessor,但他本身又在这个AnnotationAwareAspectJAutoProxyCreator 之后构建，导致在构建依赖的Bean 检测BeanPostProcessor 时，发现存在还没有完全完成构建的BeanPostProcessor 。

如果是自定义的BeanPostProcessor ，只要实现了Ordered 或者PriorityOrdered 接口就可以搞定，这个是因为
在Spring处理BeanPostProcessor 初始化时，会根据是否实现了PriorityOrdered 或者Ordered 接口来按照不同分组进行构建，其中org.springframework.aop.config.internalAutoProxyCreator Bean 就是归类在Ordered组。核心代码如下：
org.springframework.context.support.PostProcessorRegistrationDelegate#registerBeanPostProcessors(org.springframework.beans.factory.config.ConfigurableListableBeanFactory, org.springframework.context.support.AbstractApplicationContext) 方法(3.0版本)

public static void registerBeanPostProcessors(ConfigurableListableBeanFactory beanFactory, AbstractApplicationContext applicationContext) {// WARNING: Although it may appear that the body of this method can be easily// refactored to avoid the use of multiple loops and multiple lists, the use// of multiple lists and multiple passes over the names of processors is// intentional. We must ensure that we honor the contracts for PriorityOrdered// and Ordered processors. Specifically, we must NOT cause processors to be// instantiated (via getBean() invocations) or registered in the ApplicationContext// in the wrong order.//// Before submitting a pull request (PR) to change this method, please review the// list of all declined PRs involving changes to PostProcessorRegistrationDelegate// to ensure that your proposal does not result in a breaking change:// https://github.com/spring-projects/spring-framework/issues?q=PostProcessorRegistrationDelegate+is%3Aclosed+label%3A%22status%3A+declined%22// 获取待处理构建的BeanPostProcessor的名称列表String[] postProcessorNames = beanFactory.getBeanNamesForType(BeanPostProcessor.class, true, false);// Register BeanPostProcessorChecker that logs an info message when// a bean is created during BeanPostProcessor instantiation, i.e. when// a bean is not eligible for getting processed by all BeanPostProcessors.//计算BeanPostProcessor的最终目标数量int beanProcessorTargetCount = beanFactory.getBeanPostProcessorCount() + 1 + postProcessorNames.length;//增加一个BeanPostProcessorChecker的检测器，就是这个检查器输出警告日志beanFactory.addBeanPostProcessor(new BeanPostProcessorChecker(beanFactory, postProcessorNames, beanProcessorTargetCount));// Separate between BeanPostProcessors that implement PriorityOrdered,// Ordered, and the rest.// 按照PriorityOrdered、Ordered 和noneOrdered 3种情况分组，顺序完成初始化和注册。List<BeanPostProcessor> priorityOrderedPostProcessors = new ArrayList<>();List<BeanPostProcessor> internalPostProcessors = new ArrayList<>();List<String> orderedPostProcessorNames = new ArrayList<>();List<String> nonOrderedPostProcessorNames = new ArrayList<>();for (String ppName : postProcessorNames) {if (beanFactory.isTypeMatch(ppName, PriorityOrdered.class)) {//完成PriorityOrdered 的 BeanPostProcessor 的初始化BeanPostProcessor pp = beanFactory.getBean(ppName, BeanPostProcessor.class);priorityOrderedPostProcessors.add(pp);if (pp instanceof MergedBeanDefinitionPostProcessor) {internalPostProcessors.add(pp);}}else if (beanFactory.isTypeMatch(ppName, Ordered.class)) {orderedPostProcessorNames.add(ppName);}else {nonOrderedPostProcessorNames.add(ppName);}}// First, register the BeanPostProcessors that implement PriorityOrdered.// 按照Ordered排序顺序，进行排序sortPostProcessors(priorityOrderedPostProcessors, beanFactory);//追加到beanFactory的BeanPostProcessors （前面的BeanPostProcessorChecker检查的就是这个）registerBeanPostProcessors(beanFactory, priorityOrderedPostProcessors);// Next, register the BeanPostProcessors that implement Ordered.List<BeanPostProcessor> orderedPostProcessors = new ArrayList<>(orderedPostProcessorNames.size());for (String ppName : orderedPostProcessorNames) {//完成Ordered 的 BeanPostProcessor 的初始化BeanPostProcessor pp = beanFactory.getBean(ppName, BeanPostProcessor.class);orderedPostProcessors.add(pp);if (pp instanceof MergedBeanDefinitionPostProcessor) {internalPostProcessors.add(pp);}}sortPostProcessors(orderedPostProcessors, beanFactory);//追加到beanFactory的BeanPostProcessors ,如果自定义的BeanPostProcessors 在这里还没完成初始化，而是要到后面才能开始初始化，这种情况就会出现BeanPostProcessorChecker的警告。registerBeanPostProcessors(beanFactory, orderedPostProcessors);// Now, register all regular BeanPostProcessors.List<BeanPostProcessor> nonOrderedPostProcessors = new ArrayList<>(nonOrderedPostProcessorNames.size());for (String ppName : nonOrderedPostProcessorNames) {//完成NonOrdered 的 BeanPostProcessor 的初始化BeanPostProcessor pp = beanFactory.getBean(ppName, BeanPostProcessor.class);nonOrderedPostProcessors.add(pp);if (pp instanceof MergedBeanDefinitionPostProcessor) {internalPostProcessors.add(pp);}}registerBeanPostProcessors(beanFactory, nonOrderedPostProcessors);// Finally, re-register all internal BeanPostProcessors.sortPostProcessors(internalPostProcessors, beanFactory);//追加到beanFactory的BeanPostProcessors，完成所有的BeanPostProcessors构建和配置registerBeanPostProcessors(beanFactory, internalPostProcessors);// Re-register post-processor for detecting inner beans as ApplicationListeners,// moving it to the end of the processor chain (for picking up proxies etc).beanFactory.addBeanPostProcessor(new ApplicationListenerDetector(applicationContext));}

解决方案

方案1-将冲突的Bean 提升为InfrastructureBean

参考BeanPostProcessorChecker 的检测代码
if (!(bean instanceof BeanPostProcessor) && !isInfrastructureBean(beanName) && this.beanFactory.getBeanPostProcessorCount() < this.beanPostProcessorTargetCount)
让触发警告的Bean 的!isInfrastructureBean(beanName) 不满足即可。

可以使用 @Role(BeanDefinition.ROLE_INFRASTRUCTURE)

    @Bean("txInterceptor")@Role(BeanDefinition.ROLE_INFRASTRUCTURE)public TransactionInterceptor transactionInterceptor(){return new TransactionInterceptor(tx , transactionAttributeSource()) ;}

也可以使用实现BeanFactoryPostProcessor 接口的postProcessBeanFactory 方法来动态修改BeanDefinition 的Role

@Configuration
public class ConfigBeanPostProcessor implements BeanFactoryPostProcessor, PriorityOrdered {static final Set<String> beanNames = Set.of(
//        "projectingArgumentResolverBeanPostProcessor""com.alibaba.druid.spring.boot3.autoconfigure.stat.DruidSpringAopConfiguration","spring.datasource.druid-com.alibaba.druid.spring.boot3.autoconfigure.properties.DruidStatProperties","advisor");@Overridepublic void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {for(String defaultBeanName:beanNames){if (beanFactory.containsBeanDefinition(defaultBeanName)) {BeanDefinition beanDefinition = beanFactory.getBeanDefinition(defaultBeanName);//修改bean的角色为spring框架级别的beanbeanDefinition.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);}}}/*** Get the order value of this object.* <p>Higher values are interpreted as lower priority. As a consequence,* the object with the lowest value has the highest priority (somewhat* analogous to Servlet {@code load-on-startup} values).* <p>Same order values will result in arbitrary sort positions for the* affected objects.** @return the order value* @see #HIGHEST_PRECEDENCE* @see #LOWEST_PRECEDENCE*/@Override public int getOrder() {return HIGHEST_PRECEDENCE;}
}

当然也可以二者结合使用。需要注意的是记得把相关的依赖Bean都要标记上，否则一旦有一个没标记上就仍会出现警告。

自定义的BeanPostProcessor最好还要实现Ordered 或者PriorityOrdered 接口，否则这个自定义的BeanPostProcessor 也会触发这个警告。

方案2

暂时没找到具体可行方案，思路大概就这几个方向
1、让AnnotationAwareAspectJAutoProxyCreator 不增强指定的BeanPostProcessor
2、提前完成指定BeanPostProcessor 的构建
3、将没有实现Ordered 或者PriorityOrdered 接口的BeanPostProcessor 通过特殊手段追加上。
（通过调试验证是可行，但代码实现目前没找到突破口）

其他相关资料

相关demo: spring-boot-upgrade-from2to3-demo
这个Demo可以直接直接展示这个警告日志的输出。

相关资料：
https://github.com/spring-projects/spring-boot/issues/38558

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