我遇到了同样的问题并解决了在 Maven Logger 和 Log4j 之间编写一个简单的桥梁:
import org.apache.log4j.AppenderSkeleton;
import org.apache.log4j.Level;
import org.apache.log4j.spi.LoggingEvent;
import org.apache.maven.plugin.logging.Log;
public class MavenLoggerLog4jBridge extends AppenderSkeleton {
private Log logger;
public MavenLoggerLog4jBridge(Log logger) {
this.logger = logger;
}
protected void append(LoggingEvent event) {
int level = event.getLevel().toInt();
String msg = event.getMessage().toString();
if (level == Level.DEBUG_INT || level == Level.TRACE_INT) {
this.logger.debug(msg);
} else if (level == Level.INFO_INT) {
this.logger.info(msg);
} else if (level == Level.WARN_INT) {
this.logger.warn(msg);
} else if (level == Level.ERROR_INT || level == Level.FATAL_INT) {
this.logger.error(msg);
}
}
public void close() {
}
public boolean requiresLayout() {
return false;
}
}
在我的 Mojo 中,我使用了Log4j API 的BasicConfigurator类,以及这个桥的一个实例:
public void execute() throws MojoExecutionException {
org.apache.maven.plugin.logging.Log mavenLogger = getLog();
BasicConfigurator.configure(new MavenLoggerLog4jBridge(mavenLogger));
}
我不知道 Maven 基础设施是否已经有了这个桥,我没有尝试搜索更“类似 Maven”的东西,但是这个解决方案运行良好。