logbackにはMapped Diagnostic Contexts (MDC)というログに追加情報を付与する機能があります。 この機能は、Webアプリでログ出力を行う時にはとても便利です。 [Chapter 8: Mapped Diagnostic Context] (http://logback.qos.ch/manual/mdc.html) 説明 簡単な例を以下に記述します。 class MyAppController { org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger("myapp"); public void indexAction() { MDC.put("action", "index"); logger.debug("logging in indexAction"); func(); MDC.remo
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