Apache Extras Companion™ for Apache log4j™. 1.1 Reference

Packages
org.apache.log4j
org.apache.log4j.filter
org.apache.log4j.pattern
org.apache.log4j.rolling
org.apache.log4j.rolling.helper
org.apache.log4j.rule
org.apache.log4j.util
org.apache.log4j.xml