<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.x.x</version>
</dependency>
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class MyClass {
private static final Logger LOGGER = LogManager.getLogger(MyClass.class);
public void doSomething() {
LOGGER.debug("This is a debug message");
LOGGER.info("This is an info message");
LOGGER.warn("This is a warning message");
LOGGER.error("This is an error message");
}
}
<?xml version="1.0" encoding="UTF-8"?>
<Configuration>
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d [%t] %-5level %logger{36} - %msg%n" />
</Console>
</Appenders>
<Loggers>
<Root level="debug">
<AppenderRef ref="Console" />
</Root>
</Loggers>
</Configuration>
