It doesn't take much Java development experience to learn firsthand what the NullPointerException is about. In fact, one person has highlighted dealing with this as the number one mistake Java ...

mybatis version : 3.3.0 mybatis-spring version: 1.2.2 1st Scenes ： Caused by: java.lang.NullPointerException at org.apache.ibatis.reflection.property ...

IDE Information IntelliJ IDEA 2024.2.3 (Ultimate Edition) Build #IU-242.23339.11, built on September 25, 2024 Licensed to Hyungsoo Lim Subscription is active until January 24, 2025. Runtime version ...

Java is not a particularly beginner-friendly language and it is rife with rigid rules and structures that can be tough to wrap your head around. Then there’s the NullPointerException.