Field xxx in yyy is never assigned.这个警告的含义是，在类中使用了 @Autowired 注解注入了一个属性，但是这个属性从来没有被赋值。这就意味着这个属性的值始终为 null，如果在后续的代码中使用了这个属性，就会出现空指针异常的风险。二、出现警告的原因 那么，为什么会出现这个警告呢？其实，这个警告的原因很简...
Warning CS0649 Field 'FooController.fooService' is never assigned to, and will always have its default value null
Sam Brannen opened SPR-14402 and commented Status Quo The support for self-injection via @Autowired introduced in #13096 works as expected if there is a single candidate bean; however, as soon as there is more than one such candidate sel...
MyBean.class) will raise a BeanNotOfRequiredTypeException with a message "Bean named 'myBean' is expected to be of type 'org.springframework.beans.factory.support.MyBean' but was actually of type 'org.springframework.beans.factory.support.NullBean", I feel it strange for users. ...
在使用 @Autowired 注解时,IDEA 会给出警告,提示我们存在一些问题。那么这个警告是什么意思?为什么会出现这个警告?应该怎样修改呢?往下看。 一、警告的含义 在使用 @Autowired 注解时,有时候会出现如下警告: Field xxx in yyy is never assigned. 这个警告的含义是,在类中使用了 ...
The correct solution is to never declare @Autowired next to @Bean on the same method... but since we did effectively tolerate it before, we need to make sure we tolerate it again in 6.1.10 in some form. Sorry, something went wrong. Author jimshowalter commented Jun 14, 2024 Or ...
In CDI this is prevented by giving all injection points and beans a magic qualifier@Defaultifthey do not have any other qualifier already. This means that a "naked" injection point has the qualifier@Defaultand a Bean with qualifier@Redwill never match it. In Spring however the injection point...
Doing it in the base container is probably more complex to not impact performance, but it's also (in my opinion) less beneficial to do there as well. I could put together a fairly simple patch to add the functionality to the CompiledContainer (only). Depending on how people end up ...
Affects: 5.0.10 Summary The JSR305 @CheckForNull annotation should be treated equivalently to the Spring @org.springframework.lang.Nullable annotation. It is supposed to have the same semantic meaning: users of a variable should be check...