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Log4j is one of several Java logging frameworks. Gülcü has since created SLF4J, Reload4j, [4] and Logback [5] [better source needed] which are alternatives to Log4j. [6] The Apache Log4j team developed Log4j 2 [7] in response to the problems of Log4j 1.2, 1.3, java.util.logging and Logback, addressing issues which appeared in those frameworks ...
A Java logging framework is a computer data logging package for the Java platform. This article covers general purpose logging frameworks. Logging refers to the recording of activity by an application and is a common issue for development teams. Logging frameworks ease and standardize the process of logging for the Java platform.
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.
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 Commons Logging (previously known as Jakarta Commons Logging or JCL) is a Java-based logging utility and a programming model for logging and for other toolkits. It provides APIs , log implementations, and wrapper implementations over some other tools.
Log4JFugue is a utility for converting log files created by log4j into musical patterns; this allows one to listen for changes in a log file, which provides a much different experience than reading through the file line-by-line. [12] [13] Audovia is a database application for making music using JFugue MusicStrings [14]
A Java library with some common functionality, used by both the XINS/Java Client Framework and the XINS/Java Server Framework: the XINS/Java Common Library, in xins-common.jar. An introductory tutorial called the XINS Primer takes the reader by the hand with easy-to-follow steps to perform, with screenshots.
Apache Jelly is a Java and XML based scripting and processing engine for turning XML into executable code. [1] Jelly is a component of Apache Commons. Custom XML languages are commonly created to perform some kind of processing action. Jelly is intended to provide a simple XML based processing engine that can be extended to support various ...