项目场景：

学习尚硅谷的spring中的基于注解管理bean时，运行程序测试时报错“Unsupported class file major version 63”

问题描述

运行测试的时候报错“Unsupported class file major version 63”

报错内容

org.springframework.beans.factory.BeanDefinitionStoreException: Failed to read candidate component class: file [D:\SSM\SSM\spring_ioc_annotation\target\test-classes\com\atguigu\spring\test\IOCByAnnotationTest.class]; nested exception is org.springframework.core.NestedIOException: ASM ClassReader failed to parse class file - probably due to a new Java class file version that isn't supported yet: file [D:\SSM\SSM\spring_ioc_annotation\target\test-classes\com\atguigu\spring\test\IOCByAnnotationTest.class]; nested exception is java.lang.IllegalArgumentException: Unsupported class file major version 63

原因分析：

JDK版本太高了，更换JDK版本即可解决。

解决方案：

第一步，打开settings

第二步，将jdk版本更换为低版本，点击应用apply。