An illegal reflective access operation has occurred

[jamespharvey20]

On Arch Linux, with jre10-openjdk 10.0.2.u13, running typometer-1.0.1.jar (binary download) shows:

WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.pavelfatin.typometer.ui.ColoredRenderer (file:/mnt/protected/pkg/aur-rw/typometer.git/typometer-1.0.1-bin/typometer-1.0.1/typometer-1.0.1.jar) to field java.awt.Component.background
WARNING: Please consider reporting this to the maintainers of com.pavelfatin.typometer.ui.ColoredRenderer
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release

[frarees]

Nothing to worry about for now. It warns that there's a reflection being made (illegaly?) over background. I've tried getting rid of it, but the colors in the table view get a bit messed when you select more than 3 elements. Nothing that hinders the usability, but still.