rjack-logback 1.0.0.0-java
The Logback ruby gem packages the Logback[http://logback.qos.ch/] java log writer, and provides a JRuby facade for programmatic Logback setup. Logback implements the SLF4J[http://www.slf4j.org/] SPI packaged in the {slf4j gem}[http://rjack.rubyforge.org/slf4j/].