NullPointerException in LoggingOptions.java:194 #8861

🐛 Bug Report

A clear and concise description of what the bug is.

To Reproduce

Start Selenium Grid server more than once.

Detailed steps to reproduce the behavior:

1. git clone --branch upgrade-to-selenium4-alpha5 https://github.com/selenide/selenide.git
2. cd selenide
3. ./gradlew grid

Expected result: green tests

Actual result:

java.lang.NullPointerException
	at org.openqa.selenium.grid.log.LoggingOptions.configureLogging(LoggingOptions.java:194)
	at org.openqa.selenium.grid.TemplateGridCommand.lambda$configure$2(TemplateGridCommand.java:96)
	at org.openqa.selenium.grid.Main.launch(Main.java:154)
	at org.openqa.selenium.grid.Main.go(Main.java:88)
	at org.openqa.selenium.grid.Main.main(Main.java:54)
	at grid.AbstractGridTest.setUpGrid(AbstractGridTest.java:24)

See for example: https://travis-ci.org/github/selenide/selenide/jobs/742761304

Environment

OS: Any (I used MacOS)
Browser: Any (I used Chrome)
Browser version: Any (I used Chrome 86)
Browser Driver version: Any (I used chromedriver 86.0.4240.22)
Language Bindings version: 4.0.0-alpha-7
Selenium Grid version (if applicable): org.seleniumhq.selenium:selenium-grid:4.0.0-alpha-7