java.lang.LinkageError: loader constraint violation: loader (instance of com/jfinal/server/undertow/hotswap/HotSwapClassLoader) previously initiated loading for a different type with name "com/jy/scm/core/bean/User"
有谁遇到这种错没
https://www.jfinal.com/doc/1-5
注意上面文档中的下面这一小节：
4、类型转换异常、子类对象无法赋值到基类变量
别忘了搞这后回来反馈一下