final method

Spring Full-Stack Practical Cases

Dec 9, 2024 · Backend Development

SpringBoot CGLIB Proxy Returns Null for Initialized Fields – Causes and Fixes

This article explains why a SpringBoot service field initialized with a value becomes null when accessed through a CGLIB proxy, analyzes the role of final methods and Objenesis in the proxy creation process, and provides three practical solutions to prevent the null value.