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Apache Log4j is a Java-based logging utility originally written by Ceki Gülcü. It is part of the Apache Logging Services, a project of the Apache Software Foundation.
Log4Shell (CVE-2021-44228) is a zero-day vulnerability reported in November 2021 in Log4j, a popular Java logging framework, involving arbitrary code execution. [2] [3] The vulnerability had existed unnoticed since 2013 and was privately disclosed to the Apache Software Foundation, of which Log4j is a project, by Chen Zhaojun of Alibaba Cloud's security team on 24 November 2021.
Log4j Logging Framework FATAL ERROR WARN INFO DEBUG TRACE: Too many to list: See Appender Documentation: Widely used in many projects and platforms. Log4j 1 was declared "End of Life" in 2015 and has been replaced with Log4j 2 which provides an API that can be used with other logging implementations as well as an implementation of that API.
Simple Logging Facade for Java (SLF4J) provides a Java logging API by means of a simple facade pattern.The underlying logging backend is determined at runtime by adding the desired binding to the classpath and may be the standard Sun Java logging package java.util.logging, [2] Log4j, Reload4j, Logback [3] or tinylog.
Apache log4j 1.3 added many interesting features, but was compatibility with log4j 1.2 was problematic. Many features original developed for log4j 1.3 have been back-ported as companions for log4j 1.2. No further development is anticipated. Apache log4j 2.0 is an experimental development branch for logging services designed for Java 5 and later.
Java logging framework - Log4j 2 is the enhanced version of the popular Log4j project. ... This page was last edited on 10 December 2024, at 20:19 (UTC).
In February 2022, Walden was appointed as an inaugural member of the Cyber Safety Review Board, [2] [3] and she contributed to its review of the December 2021 Log4j event. [ 4 ] [ 5 ] Walden later served as assistant general counsel of the Digital Crimes Unit (DCU) at Microsoft .
Log4j#Ports; From a merge: This is a redirect from a page that was merged into another page.