How do I write log4j2 XML?

Notes:

  1. Put the following content in your configuration file.
  2. Name the configuration file log4j2. xml.
  3. Put the log4j2. xml in a folder which is in the class-path (i.e. your source folder “src”)
  4. Use Logger logger = LogManager.
  5. I did set the immediateFlush=”false” since this is better for SSD lifetime.

What is log4j2 XML file?

Log4j2 with XML configuration provides a simple way of setting up logging in your Java application. Apache Log4j2 is the new version of the log4j and is used for printing logs when used in a Java program. In this tutorial we will setup a Maven project and use log4j2 to print logs from a simple Java class.

How does log4j2 XML work?

Log4j2 is the updated version of the popular and influential log4j library, used extensively throughout the Java ecosystem for so many years. Version 2. x keeps all the logging features of its predecessor and builds on that foundation with some significant improvements, especially in the area of performance.

How do you write Log4j2 properties?

A basic log4j2. properties file starts with a name, optional properties to be used in other parts of the file, and appender declarations. The preceding code declares two appenders, named console and file . Next, let’s configure both the appenders to write log messages to the console and a file.

What is difference between log4j and Log4j2?

Community support: Log4j 1. x is not actively maintained, whereas Log4j 2 has an active community where questions are answered, features are added and bugs are fixed. Automatically reload its configuration upon modification without losing log events while reconfiguring.

What is the purpose of maxBackupIndex configuration of RollingFileAppender?

maxBackupIndex This property denotes the number of backup files to be created. Default value is 1. Following is a sample configuration file log4j. properties for RollingFileAppender.

Where do I put log4j2 xml?

We should put log4j2. xml anywhere in the application’s classpath. Log4j will scan all classpath locations to find out this file and then load it. We can find this file mostly placed in the ‘src/main/resources’ folder.