import java.io.IOException;

public class SaveLogToFile {

    static Logger log = Logger.getLogger(SaveLogToFile.class);

    public static void main(String[] args) throws IOException{
        BasicConfigurator.configure();
        Appender fh = new FileAppender(new SimpleLayout(), "abc.log");
        log.addAppender(fh);
        fh.setLayout(new SimpleLayout());
        log.error("kjisaghfjdgaesfk");

    }

}