Open Source Logging Tools in Java

jLo is a logging framework written in Java. It has some uniqiue features compared to other existing frameworks. List of features: * supports multiple log configurations * offers loggers, channels, filters and pipes * uses either a direct or asynchronous log processor (handle the logging in a separate thread * compataible to commons-logging * auto reload of the configuration if the file has changed * simple XML structure to configure jLo * supports filters to limit the output * supprts the use of variables in the configuration * supports the use of environment variables or java system properties * comes with mock objects for handler and formatter to be integrated into JUnit testcases for example * all testcases are included in the source distribution