Log4j RollingFileAppender is an OutputStreamAppender that writes log messages to files, following a configured triggering policy about when a rollover (backup) should occur. It also has a configured rollover strategy about how to rollover the file.
Any logging application intended to print logging information to a console should use this org.apache.log4j.ConsoleAppender. ConsoleAppender is a very simple class designed to write logging information to either System.out or System.err. The destination of the log messages can be configured via a property named target. Properties of ConsoleAppender The configurable properties of ConsoleAppender are described […]
I have been asked this question multiple times, so I thought to write down my answer as this post in blog itself so others can refer to it from time to time, when needed. Simple Logging Facade for Java (SLF4J) is an API designed to give generic access to many logging frameworks; log4j being one […]
Excessive logging is a common cause of performance degrade of application. It is one of best practices to ensure proper logging within your Java EE application implementation. However, be careful with the logging level that you enable in your production environment. Excessive logging will trigger high IO on your server and increase CPU utilization. This […]
Learn about Log4j log levels. Log4j2 log levels example. Learn about log4j logging level order and how log level works in this log4j tutorial.