org.quartz的问题

public class SchedulerManager { public static void startChargeBillScheduler() { JobDetail jobDetail = new JobDetail("ChargeBillScheduler", "jobGroup1", ChargeBillScheduler.class); CronTrigger cronTrigger = new CronTrigger("trigger1", "tgroup1"); CronExpression cexp; try { cexp = new CronExpression(Config.getProperties().getProperty( "chargeBillScheduler")); cronTrigger.setCronExpression(cexp); SchedulerFactory schedulerFactory = new StdSchedulerFactory(); Scheduler scheduler; scheduler = schedulerFactory.getScheduler(); scheduler.scheduleJob(jobDetail, cronTrigger); scheduler.start(); System.out.println("chargeBillScheduler 启动!"); } catch (ParseException e) { e.printStackTrace(); } catch (SchedulerException e) { e.printStackTrace(); } }