4.0.0commons-loggingcommons-loggingcommons-logging99.0-does-not-existThis is a generated pom. Version 99.0-does-not-exist is a dummy implementation with actually does nothing and has no dependencies. VERSION 99.0-does-not-exist IS NOT IN ANY WAY AFFILIATED WITH THE ORIGINAL DEVELOPERS of commons-logging.http://day-to-day-stuff.blogspot.com/2007/10/announcement-version-99-does-not-exist.html