Spring Support method injection when @Autowired(require=false) is used on mixed nullability args

When @Autowired(require=false) on mixed nullability args method, I think IOC container shoud call this method to inject partially non-null parameters, but in fact the current code logic will ignore this method injection, for example :

    static class MixedNullableInjectionBean{
        public NonNullBean nonNullBean;
        public NullableBean nullableBean;

        @Autowired(required = false)
        public void nullabilityInjection(@Nullable NullableBean nullableBean, NonNullBean nonNullBean){
            if(nullableBean != null){
                this.nullableBean = nullableBean;
            }
            this.nonNullBean = nonNullBean;
        }
    }

    @Test
    public void testMethodInjectionWithMultiMixedNullableArgs(){
        bf.registerBeanDefinition("nonNullBean", new RootBeanDefinition(
                NonNullBean.class));
        bf.registerBeanDefinition("mixedNullableInjectionBean", new RootBeanDefinition(MixedNullableInjectionBean.class));
        MixedNullableInjectionBean mixedNullableInjectionBean = bf.getBean(MixedNullableInjectionBean.class);
        assertThat(mixedNullableInjectionBean.nonNullBean).isNotNull();
        assertThat(mixedNullableInjectionBean.nullableBean).isNull();
    }

I liberated the @Autowired(require=false) annotation on the nullabilityInjection method of MixedNullableInjectionBean, this method has two parameters, nullableBean and nonNullBean, as the name of the parameter means, I only register nonNullBean to DefaultListableBeanFactory, and then register MixedNullableInjectionBean . I think the IOC container should invoke nullabilityInjection method to inject nonNullBean, but in fact the current code logic will ignore this method injection, I have expressed the nullability of the parameter nullableBean, so, I think this parameter is null should not affect the overall method injection. I slightly adjusted the logic of method injection in this pr, what do you think? Thank you for your reading and looking forward to your reply.

Comment From: snicoll

Good stuff, thanks again @chenqimiao

This was closed with the wrong issue reference: https://github.com/spring-projects/spring-framework/commit/d0fc6dd06d69d9095d909a02c395f456139f792d