Logback

1. Logback 输出log中显示完整包名

Conversion specifier	Logger name	Result
%logger	mainPackage.sub.sample.Bar	mainPackage.sub.sample.Bar
%logger{0}	mainPackage.sub.sample.Bar	Bar
%logger{5}	mainPackage.sub.sample.Bar	m.s.s.Bar
%logger{10}	mainPackage.sub.sample.Bar	m.s.s.Bar
%logger{15}	mainPackage.sub.sample.Bar	m.s.sample.Bar
%logger{16}	mainPackage.sub.sample.Bar	m.sub.sample.Bar
%logger{26}	mainPackage.sub.sample.Bar	mainPackage.sub.sample.Bar

Please note that the rightmost segment in a logger name is never abbreviated, even if its length is longer than the length option. Other segments may be shortened to at most a single character but are never removed.

 http://logback.qos.ch/manual/layouts.html#conversionWord