Kamilla 'ova

### Description [Log4j docs](https://logging.apache.org/log4j/2.x/runtime-dependencies.html#:~:text=As%20of%20version%202.9.1%20Log4j%20supports%20Java%209%20but%20will%20still%20work%20in%20Java%207%20or%208.%20In%20this%20version%20log4j%2Dapi%20is%20packaged%20as%20a%20multi%2Drelease%20jar%20and%20supports%20the%20use%20of%20the%20StackWalker%20and%20Process%20APIs.) ### Proposed Behaviour This will remove `WARNING: sun.reflect.Reflection.getCallerClass is not supported. This will impact performance.`

[Bug]: Buffer overflow in __is_mmaped (glibc patches), and other problems

9

### Problem description I'm sleepy now, so I don't want to write any explanations here, sorry. But I think you'll understand without explanations, thanks. UPD okay I essentially wrote it...