Good thing about LogBack - http://www.infoq.com/news/2007/08/logback

http://blog.takipi.com/how-to-instantly-improve-your-java-logging-with-7-logback-tweaks/

Configuring how exception stack traces appear in log entries using Log4J2 - https://medium.com/turingg-computing/configuring-how-exception-stack-traces-appear-in-log-entries-using-log4j2-e3a3dc5e48bc#.vfx1l1jlr