石英不随机执行作业

Question

我正在尝试使用Quartz来安排在Glassfish上运行的Web应用程序中的工作。我正在使用RAMJobStore。问题是，有时，计划的作业没有被执行，即使它是在过去或将来安排的。作业数量极低，调度程序上始终调度的作业总数不到 20 个，并且保证最多同时运行 1 个作业，因此我认为线程计数不是问题，我可以将其设置为 threadCount 1，它仍然可以工作。调度程序也不会在销毁 servlet 之前关闭。那么某些作业无法运行的原因是什么？

StartupServlet

public void init()
    {
  try
        {
            scheduler = StdSchedulerFactory.getDefaultScheduler();
            scheduler.start();
            loadJobs();
        }
        catch (SchedulerException se)
        {
            se.printStackTrace();
        }
}
  @Override
    public void destroy()
    {
 try
        {
            scheduler.shutdown();
        }
        catch (SchedulerException se)
        {
            se.printStackTrace();
        }
    }

计划作业

 JobDetail job = JobBuilder.newJob(ScheduledTransactionJob.class)
                                  .withIdentity(transaction.getId())
                                  .build();
        Trigger trigger = TriggerBuilder.newTrigger()
                                    .withIdentity(transaction.getId())
                                    .startAt(date)
                                    .build();
        try
        {
            scheduler.scheduleJob(job, trigger);
            dateFormat = new SimpleDateFormat("dd MMM yyyy, HH:mm:ss");
            String recurringTransactionTime = dateFormat.format(date);
            logger.info("Scheduled job for " + recurringTransactionTime);
        }
        catch (SchedulerException se)
        {
            se.printStackTrace();
        }

石英属性

#============================================================================
# Configure Main Scheduler Properties
#============================================================================
org.quartz.scheduler.skipUpdateCheck = true
org.quartz.scheduler.instanceName = AppScheduler
org.quartz.scheduler.instanceId = AUTO
#============================================================================
# Configure ThreadPool
#============================================================================
org.quartz.threadPool.class = org.quartz.simpl.SimpleThreadPool
org.quartz.threadPool.threadCount = 25
org.quartz.threadPool.threadPriority = 10
#============================================================================
# Configure JobStore
#============================================================================
org.quartz.jobStore.misfireThreshold = 60000
org.quartz.jobStore.class = org.quartz.simpl.RAMJobStore

Answer 1

现在似乎正在工作。没有遇到任何问题。可能是一个配置问题，因为我已经在 /src/main/resources 中移动了配置文件。还可以尝试打开日志记录以帮助调试：

log4j.logger.com.gargoylesoftware.htmlunit=DEBUG

我们还添加了一个 JobTriggerListener 来帮助处理日志：

private static class JobTriggerListener implements TriggerListener
    {
        private String name;
        public JobTriggerListener(String name)
        {
            this.name = name;
        }
        public String getName()
        {
            return name;
        }
        public void triggerComplete(Trigger trigger, JobExecutionContext context,
                                    Trigger.CompletedExecutionInstruction triggerInstructionCode)
        {
        }
        public void triggerFired(Trigger trigger, JobExecutionContext context)
        {
        }
        public void triggerMisfired(Trigger trigger)
        {
            logger.warn("Trigger misfired for trigger: " + trigger.getKey());
            try
            {
                logger.info("Available threads: " + scheduler.getCurrentlyExecutingJobs());
            }
            catch (SchedulerException ex)
            {
                logger.error("Could not get currently executing jobs.", ex);
            }
        }
        public boolean vetoJobExecution(Trigger trigger, JobExecutionContext context)
        {
            return false;
        }
    }