Exception in thread "Timer-21" java.lang.NullPointerException
        at com.daily.report.tools.Log.logInfo(Log.java:14)
        at com.daily.report.tools.DailyTask.run(DailyTask.java:19)
        at java.util.TimerThread.mainLoop(Timer.java:512)
        at java.util.TimerThread.run(Timer.java:462)

import org.apache.log4j.Logger;

public class Log {

    static Logger log = Logger.getLogger(Log.class.getName());

    public static void logDebug(String message) {
        log.debug(message);
    }

    public static void logInfo(String message) {
        log.info(message);
    }

    public static void error(String message) {
        log.error(message);
    }

}