import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class MyClass {
private static final Logger logger = LogManager.getLogger(MyClass.class);
// ...
}
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
...
</Console>
<File name="File" fileName="logs/application.log">
...
</File>
</Appenders>
<Loggers>
<Root level="info">
<AppenderRef ref="Console"/>
<AppenderRef ref="File"/>
</Root>
</Loggers>
</Configuration>
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 myMethod() {
logger.info("This is an informational log message.");
logger.error("An error occurred!");
logger.debug("Debugging information");
// ...
}
}
[INFO ] - This is an informational log message.
[ERROR] - An error occurred!
[DEBUG] - Debugging information.
