<dependency> <groupId>commons-logging</groupId> <artifactId>commons-logging</artifactId> <version>1.2</version> </dependency> log4j.rootLogger=DEBUG, console log4j.appender.console=org.apache.log4j.ConsoleAppender log4j.appender.console.layout=org.apache.log4j.PatternLayout log4j.appender.console.layout.ConversionPattern=%d [%t] %-5p %c{1} - %m%n import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; public class MyClass { private static final Log logger = LogFactory.getLog(MyClass.class); public void myMethod() { 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"); } }