A Guide to Log4j and the log4j.properties File in Java

Date: 2024-02-21

Log4j 2 is a fast, thread-safe, and enhanced Java logging framework. This article demonstrates configuring Log4j 2 using a properties file to output logs to both the console and a file. It details the process of adding the Log4j 2 dependency, creating a log4j2.properties file specifying appenders and logging levels, and shows example Java code utilizing the logger. The example showcases logging informational and error messages, including exception stack traces. Log4j 2 offers flexibility through various configuration methods and logging levels, aiding in debugging and application monitoring.

Read more: https://examples.javacodegeeks.com/log4j-2-config-using-a-prop-file/