slf4j 的反向依赖以下 Gem 的最新版本需要 slf4j

hc-httpclient 3.1.2

A gem packaging of the {HttpComponents}[http://hc.apache.org/] (formerly Jakarta Common...

9,295 下载

metrics-java 0.0.1

A JRuby wrapper around Coda Hale's Metrics Library

4,448 下载