舊版 反向連結 目錄表 Bridge JUL to SLF4j How to use? Reference 這是本文件的舊版! java, log4j Bridge JUL to SLF4j How to use? Reference Javadoc for SLF4JBridgeHandler Stack over flow for "how-to-send-java-util-logging-to-log4j?" Download jar for "jul-to-slf4j" Expect4j Level Change Propagator