<dependency>
<groupId>org.ops4j.pax.logging</groupId>
<artifactId>pax-logging-log4j1</artifactId>
<version>{version}</version>
</dependency>
import org.apache.log4j.Logger;
public class MyClass {
private static final Logger logger = Logger.getLogger(MyClass.class);
public void myMethod() {
logger.debug("This is a debug message.");
logger.info("This is an info message.");
logger.error("This is an error message.");
}
}
properties
log4j.rootLogger=INFO, console, file
log4j.appender.console=org.apache.log4j.ConsoleAppender
log4j.appender.console.layout=org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %m%n
log4j.appender.file=org.apache.log4j.RollingFileAppender
log4j.appender.file.File=/path/to/log/file.log
log4j.appender.file.MaxFileSize=MB
log4j.appender.file.MaxBackupIndex=5
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %m%n
