java: Compilation failed: internal java compiler error
1. view the project jdk(Ctrl+Alt+shift+S)
File ->Project Structure->Project Settings ->Project
2. view the project jdk(Ctrl+Alt+shift+S)
File ->Project Structure->Project Settings -> Modules -> (Name of the project to be modified) -> Sources ->
3. view Java configuration in idea
File ->Setting ->Build,Execution,Deployment -> Compiler -> Java Compiler
4. Clear IDEA cache, restart IDEA
File -> Invalidate Caches/Restart
5. Reload All Maven Projects