Caused by: java.lang.NoClassDefFoundError: com/cy/store/vo/CartVo (wrong name: com/cy/store/vo/CartVO)

出现报错：java.lang.IllegalStateException: Failed to load ApplicationContext

翻到最后一个Caused by检查

检查自己mapper.xml里面的resultType发现路径错误，改为正确的路径

运行成功！