好的,所以在这里我有一个Quartz(2.2.1版本)作业,它应该实例化另外两个作业,为每个作业创建和添加两个触发器,并将两个作业添加到调度器,通过JobDataMap传入的设定时间间隔。石英scheduleJob异常
当此作业调度程序运行时,它抛出以下异常:
org.quartz.JobPersistenceException: The job (DEFAULT.countdown15, countdownGroup) referenced by the trigger does not exist.
唯一的例外是在71行抛出:
sched.scheduleJob(countdown15Trigger2);
我无法弄清楚,为什么工作在该点不存在,因为它应该由较早的新的职位调用创建并由行70添加到调度器中:
sched.scheduleJob(countdown15, countdown15Trigger1);
所以,我暂时注释掉该行并试图再次运行该程序,于是我在管线72得到这个异常:
线72:
sched.scheduleJob(countdown60, countdown60Trigger1);
例外:
org.quartz.SchedulerException: Trigger does not reference given job!
好吧,现在我有两个scheduleJob调用抛出两个不同的异常,尽管据我所知我正在遵循正确的语法。但是第一个scheduleJob调用必须正常工作,因为异常发生在代码后面,所以现在我将注释掉所有其他scheduleJob调用并查看会发生什么。
然后我在管线70得到这个错误,第一,现在只有scheduleJob电话:
org.quartz.ObjectAlreadyExistsException: Unable to store Job : 'countdownGroup.countdown15', because one already exists with this identification.
我真的不知道从哪里何去何从,所以这里的为顶级的完整代码工作。有任何想法吗?
public class ShowClockJob implements Job {
public ShowClockJob() {}
@Override
public void execute(JobExecutionContext context)
throws JobExecutionException {
JobDataMap dm = context.getJobDetail().getJobDataMap();
int min = dm.getInt("min"); //show's runtime in minutes
int ms = min * 60000; //convert the runtime in minutes to millisec
Scheduler sched = context.getScheduler();
JobDetail countdown15 = newJob(CountdownJob15.class)
.withIdentity(jobKey("countdown15", "countdownGroup"))
.build();
JobDetail countdown60 = newJob(CountdownJob60.class)
.withIdentity("countdown60", "countdownGroup")
.build();
Trigger countdown15Trigger1 = newTrigger()
.withIdentity("countdown15Trigger1", "countdownGroup")
.withSchedule(cronSchedule("45 5 * * * ?")
.withMisfireHandlingInstructionDoNothing())
.forJob(jobKey("countdown15", "countdownGroup"))
.build();
Trigger countdown15Trigger2 = newTrigger()
.withIdentity("countdown15Trigger2", "countdownGroup")
.withSchedule(cronSchedule("55 19,32,46 * * * ?")
.withMisfireHandlingInstructionDoNothing())
.forJob(jobKey("countdown15, countdownGroup"))
.build();
Trigger countdown60Trigger1 = newTrigger()
.withIdentity("countdown60Trigger1", "countdownGroup")
.withSchedule(cronSchedule("0 17,29,44 * * * ?")
.withMisfireHandlingInstructionDoNothing())
.forJob(jobKey("countdown60, countdownGroup"))
.build();
Trigger countdown60Trigger2 = newTrigger()
.withIdentity("countdown60Trigger2", "countdownGroup")
.withSchedule(cronSchedule("50 57 * * * ?")
.withMisfireHandlingInstructionDoNothing())
.forJob("countdown60, countdownGroup")
.build();
try {
sched.scheduleJob(countdown15, countdown15Trigger1);
sched.scheduleJob(countdown15Trigger2);
sched.scheduleJob(countdown60, countdown60Trigger1);
sched.scheduleJob(countdown60Trigger2);
Thread.sleep(ms); //sleep for the length of the showtime,
//...then shut down the countdown jobs
sched.deleteJob(jobKey("countdown15","countdownGroup"));
sched.deleteJob(jobKey("countdown60","countdownGroup"));
} catch (SchedulerException | InterruptedException ex) {
Logger.getLogger(ShowClockJob.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
我想通过XML文件配置石英工作要简单得多。你的情况有可能吗? – vkg
我不这么认为......这项工作依赖于用户输入,所以它必须以编程方式创建。 – Colin