This is the "master"
switch that turns on or off all logging. More technically, it enables
or disables log events being delivered to all/any log handler.
Type:
boolean
Acceptable Values:
true
Enables all log events to be delivered to all handlers
false
Disables all log events being delivered to handlers
Default Value:
true
Example Usage:
$ java -Dlog=true ...
Enables all log to be delivered to all handlers.
$ java -Dlog=false ...
Disables all log events being delivered to handlers.