<dependency>
<groupId>org.ops4j.pax.logging</groupId>
<artifactId>pax-logging-log4j1</artifactId>
<version>2.0.0</version>
</dependency>
properties
log4j.rootLogger=DEBUG, console
log4j.appender.console=org.apache.log4j.ConsoleAppender
log4j.appender.console.Target=System.out
log4j.appender.console.layout=org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
import org.ops4j.pax.logging.LogService;
import org.ops4j.pax.logging.PaxLoggingService;
import org.ops4j.pax.logging.PaxLoggingServiceFactory;
public class ExampleClass {
private final LogService log = PaxLoggingServiceFactory.getLogService(ExampleClass.class);
public void doSomething() {
log.debug("Debug message");
log.info("Info message");
log.warn("Warning message");
log.error("Error message");
}
}
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
public class Activator implements BundleActivator {
public void start(BundleContext context) throws Exception {
System.setProperty("org.ops4j.pax.logging.DefaultServiceLog.level", "debug");
System.setProperty("org.ops4j.pax.logging.DefaultServiceLog.file", "log4j.properties");
}
public void stop(BundleContext context) throws Exception {}
}
