The Avalon project is Apache's Java Server Framework. It is separated into five sub projects: Framework, Excalibur, LogKit, Cornerstone, and Phoenix. Its purpose is to simplify server side programming for Java based projects. It formalizes serveral best of breed practices and patterns for server side programming.
For more information about Avalon, please go to http://jakarta.apache.org/avalon.
LogKit is an easy to use logging toolkit designed for secure performance oriented logging. It's design encourages integration into existing products with minimal impact.
For more information about LogKit 1.0.1, please go to http://jakarta.apache.org/avalon/logkit.