
Apache Log4j :: Apache Log4j
Apache Log4j is a versatile, industrial-grade Java logging framework composed of an API, its implementation, and components to assist the deployment for various use cases.
Log4j - Wikipedia
Apache Log4j 2 is the successor of Log4j 1 which was released as GA version in July 2015. The framework was rewritten from scratch and has been inspired by existing logging solutions, including …
What is the Log4j vulnerability? - IBM
Log4j is a logging framework developed by the Apache Software Foundation. As the name suggests, Log4J is a logger. It records important information like error messages and user inputs in a program. …
Log4j Vulnerability: What It Is and How to Fix It | Built In
Feb 18, 2025 · Log4j is an open-source software library that is used to log messages within software and can communicate with other services on a system. The Log4j vulnerability exists within this …
What is Log4j? A cybersecurity expert explains the latest internet ...
Dec 22, 2021 · Log4Shell, an internet vulnerability that affects millions of computers, involves an obscure but nearly ubiquitous piece of software, Log4j. The software is used to record all manner of...
Apache Log4j Vulnerability Guidance - CISA
Apr 8, 2022 · Log4j is very broadly used in a variety of consumer and enterprise services, websites, and applications—as well as in operational technology products—to log security and performance …
What is the Log4j/Log4Shell Vulnerability | CrowdStrike
Log4j is a Java-based logging library maintained by the Apache Software Foundation. It’s used across countless enterprise applications, frameworks, and cloud services to log system events, debug …
Apache Log4j - GeeksforGeeks
Apr 28, 2025 · To use log4j in a Java application, you need to include the log4j library in your project and configure a log4j configuration file that specifies the logging settings for your application.
log4j Tutorial
Apache log4j is a nice logging library, which is highly configurable and easy to use. This tutorial has been prepared for beginners to help them understand the basic functionality of log4J logging …
Log4j Explained: What It Is, How It Works, and How to Fix It
Apr 10, 2025 · Log4j is an open-source Java-based logging utility, maintained by Apache, that allows developers to integrate logging functionality into their applications. Logging enables software to track …