Spring @Autowired can working in BeanPostProcessor

https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/beans/factory/annotation/Autowired.html I read the doc about @autowired ,found that the doc saying "Not supported in BeanPostProcessor or BeanFactoryPostProcessor". But i found that @Autowired can not working in BeanFactoryPostProcessor ,but it can working in BeanPostProcessor .

Comment From: nikasakandelidze

Hello, any updates regarding this issue?

Comment From: maoqingcode

Hello, any updates regarding this issue?

@Component
public class SimpleService implements BeanPostProcessor{

    @Autowired
    private SimpleBean simpleBean;

    public void query(){
        System.out.println(simpleBean);
    }

}

the @autowired can work, you can get a instance. if you use BeanFactoryPostProcessor ,@autowired not working.

Comment From: snicoll

the @Autowired can work, you can get a instance.

It's a vast simplification of the prolem. A BeanPostProcessor is supposed to be created (and usable) before any beans than it is supposed to post-process. The example you've shared means that SimpleBean won't be post-processed. This may be ok for you but stating that autowiring works for BPP is not a good idea.

In general such low-level beans should be declared with a static @Bean method and only require other infrastructure beans (such as the environment or the bean factory).