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Log4j 2 xml configuration and integration with Spring framework

A simple configuration to add log4j2 configuration xml Dependency Dependency should be added in the pom.xml file   <dependency> <groupId>org.apache.logging.log4j</group...

Published Date: 03/09/2018  Last Modified Date: 03/09/2018    New Post




A simple configuration to add log4j2 configuration xml

Dependency

Dependency should be added in the pom.xml file
 
<dependency>
			<groupId>org.apache.logging.log4j</groupId>
			<artifactId>log4j-core</artifactId>
			<version>2.8.2</version>
		</dependency>


Log4j2.xml


The file should be stored in the resources folder
 
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
	<Appenders>
		<Console name="Console" target="SYSTEM_OUT">
			<PatternLayout
				pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" />
		</Console>
	</Appenders>
	<Loggers>
		<Logger name="org.springframework" level="DEBUG" />
		<Root level="error">
			<AppenderRef ref="Console" />
		</Root>
	</Loggers>
</Configuration>

Log4j2HelloWorldExample.Java

 
 
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
 
public class Log4j2HelloWorldExample
{
    private static final Logger LOGGER = LogManager.getLogger(Log4j2HelloWorldExample.class.getName());
     
    public static void main(String[] args)
    {
        LOGGER.debug("Debug Message Logged !!!");
        LOGGER.info("Info Message Logged !!!");
        LOGGER.error("Error Message Logged !!!", new NullPointerException("NullError"));
    }
}

Output:

 
12:48:52.590 [main] ERROR com.demo.spring.Log4j2HelloWorldExample - Error Message Logged !!!
java.lang.NullPointerException: NullError
	at com.demo.spring.Log4j2HelloWorldExample.main(Log4j2HelloWorldExample.java:14) [classes/:?]

 
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Tags: Spring Core Spring MVC

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