<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.2.3</version>
</dependency>
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MyClass {
private static final Logger logger = LoggerFactory.getLogger(MyClass.class);
public static void main(String[] args) {
logger.debug("Debug message");
logger.info("Info message");
logger.warn("Warn message");
logger.error("Error message");
}
}
<configuration>
<appender name="FILE" class="ch.qos.logback.core.FileAppender">
<file>app.log</file>
<encoder>
<pattern>%date{ISO8601} [%thread] %-5level %logger{50} - %msg%n</pattern>
</encoder>
</appender>
<root level="debug">
<appender-ref ref="FILE" />
</root>
</configuration>
