Information:java: Errors occurred while compiling module ‘mes‘ Information:javac 1.8.0_275 was used

就是往项目中copy了很多新文件 然后项目启动报错

Information:java: Errors occurred while compiling module 'mes'
Information:javac 1.8.0_275 was used to compile java sources
Information:2021/6/16 9:44 - Build completed with 6 errors and 0 warnings in 1 s 784 ms
error: 找不到符号啥的

这种情况

清空一下缓存即可