2020 new version of IDE issues:
- There is no problem with the running package, I confirm that maven is ok, and the jar package is ok
- But I just don’t know what went wrong
- After watching for a full hour and a half, I saw that the project .iml file is missing
- Problems with the new version in 2020, the old version will not
进入 你的项目目录
cmd
执行:mvn idea:module
Then solve the problem perfectly