RootLogger default is contains Java.Util.Logging.ConsoleHandler
`SLF4JBridgeHandler.removeHandlersForRootLogger()` is used to remove it
`cat jre/lib/logging.properties` =>


	handlers= java.util.logging.ConsoleHandler
	.level= INFO
	java.util.logging.FileHandler.pattern = %h/java%u.log
	java.util.logging.FileHandler.limit = 50000
	java.util.logging.FileHandler.count = 1
	java.util.logging.FileHandler.formatter = java.util.logging.XMLFormatter
	java.util.logging.ConsoleHandler.level = INFO
	java.util.logging.ConsoleHandler.formatter = java.util.logging.SimpleFormatter
	com.xyz.foo.level = SEVERE