Architect's Guide
Nov 30, 2024 · Backend Development
Why Private Controller Methods Fail Dependency Injection When Using AOP in Spring Boot
This article explains why a private method in a Spring Boot @RestController cannot have its @Autowired service injected when an AOP aspect is present, demonstrates the issue with code examples, and clarifies the underlying proxy mechanism that causes the null‑pointer error.
controllerdependency-injectionprivate-method
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