then each module needs to start out with
use Log::Log4perl qw(:levels);
my $logger = Log::Log4perl->get_logger(__PACKAGE__);
Well, it's still one line less than log4j :-)
I'm not sure you're supposed to set your own log-level inside the code since one of the strong points of Log4perl is that you can change log-levels using the config files while the program is running...
Anyway, you could make your own wrapper module and mess around with import and caller to let it be used like this:
$LOG->warn("bla"); # $LOG is presumably a package global
use MyLog 'debug';
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