如何解决SpringBoot定时任务报错Unexpected error occurred in scheduled task问题

@RestController
@Slf4j
@SuppressWarnings({"all"})
@CrossOrigin
@RequestMapping("/journal")
@Component
public class JournalController {

	@Autowired
    Journal_timeMapper journal_timeMapper;
    
       /**
     * 每周日将签到时间数据清空
     */
    @Scheduled(cron = "0 0 0 * * SUN")
    public void journaltimeout() {
        List<Journal_time> journal_times = journal_timeMapper.selectList(null);
        for (Journal_time journal_time : journal_times) {
            journal_time.setDay_time("0小时0分钟");
            journal_time.setWeek_time("0小时0分钟");
            journal_time.setAll_time("0小时0分钟");
            journal_time.setWeek_time_desc("第0名");
            journal_timeMapper.updateById(journal_time);
        }
    }


    /**
     * 每天晚上将一天签到数据清空
     */
    @Scheduled(cron = "0 0 0 * * ?")
    public void daytimeout() {
        List<Journal_time> journal_times = journal_timeMapper.selectList(null);
        for (Journal_time journal_time : journal_times) {
            journal_time.setDay_time("0小时0分钟");
            journal_timeMapper.updateById(journal_time);
        }
    }
}

@RestController
@Slf4j
@SuppressWarnings({"all"})
@CrossOrigin
@RequestMapping("/journal")
@Component
public class JournalController implements ApplicationContextAware {

  	private static ApplicationContext context;

  	@Override
  	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException 	{
        context = applicationContext;
   	}
    
    public static ApplicationContext getApplicationContext() {
        return context;
    }

    public static Object getBean(String name) {
        return getApplicationContext().getBean(name);
    }

    
    
       /**
     * 每周日将签到时间数据清空
     */
    @Scheduled(cron = "0 0 0 * * SUN")
    public void journaltimeout() {
        Journal_timeMapper journal_timeMapper = (Journal_timeMapper)this.getBean("journal_timeMapper");
        List<Journal_time> journal_times = journal_timeMapper.selectList(null);
        for (Journal_time journal_time : journal_times) {
            journal_time.setDay_time("0小时0分钟");
            journal_time.setWeek_time("0小时0分钟");
            journal_time.setAll_time("0小时0分钟");
            journal_time.setWeek_time_desc("第0名");
            journal_timeMapper.updateById(journal_time);
        }
    }


    /**
     * 每天晚上将一天签到数据清空
     */
    @Scheduled(cron = "0 0 0 * * ?")
    public void daytimeout() {
        Journal_timeMapper journal_timeMapper = (Journal_timeMapper)this.getBean("journal_timeMapper");
        List<Journal_time> journal_times = journal_timeMapper.selectList(null);
        for (Journal_time journal_time : journal_times) {
            journal_time.setDay_time("0小时0分钟");
            journal_timeMapper.updateById(journal_time);
        }
    }
}