<dependency>
<groupId>org.jboss.logging</groupId>
<artifactId>jboss-logging</artifactId>
<version>3.4.2.Final</version>
</dependency>
import org.jboss.logging.Logger;
Logger logger = Logger.getLogger(YourClass.class);
logger.trace("Trace message");
logger.debug("Debug message");
logger.info("Informational message");
logger.warn("Warning message");
logger.error("Error message", throwable);
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
<appender name="CONSOLE" class="org.apache.log4j.ConsoleAppender">
<param name="Target" value="System.out" />
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d [%t] %-5p %c - %m%n" />
</layout>
</appender>
<root>
<level value="INFO" />
<appender-ref ref="CONSOLE" />
</root>
</log4j:configuration>
