Excessive null checks degrading performance

[desert-dev]

Describe your issue
I tried to perf-test javalin and it seems that abnormal amount of CPU time is spent in simple null-checks

[David]

6 seconds for 70k requests does seem slow 🤔

[Alberto Zugazagoitia]

Are you using Java or Koltin?

[desert-dev]

Are you using Java or Koltin?

Java. Kotlin functions are there from the Javalin build itself.