applicationContext is not init

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本文介绍了一个关于Spring框架中容器初始化与Quartz定时任务启动顺序的问题，导致定时任务执行时无法从尚未完全初始化的Spring容器中获取Bean，从而引发错误。文章提供了具体的错误日志，并给出了解决方案，即通过实现ApplicationListener<ContextRefreshedEvent>接口并在onApplicationEvent方法中检查Spring容器是否已完全初始化。

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项目启动报错：

2019-03-11 13:49:28.502 [] INFO  [localhost-startStop-1] xxx.xxx.task.ScheduleMain :定时任务启动开始......                                                                                 
2019-03-11 13:49:30.877 [] INFO  [localhost-startStop-1] xxx.xxx.task.ScheduleMain :job class info : xxx.xxx.job.PreAuthorizeScheduleSendJob                                 
2019-03-11 13:49:30.896 [] INFO  [localhost-startStop-1] xxx.xxx.task.ScheduleMain :job class info : xxx.xxx.job.PreAuthorizeScheduleResendJob                               
2019-03-11 13:49:30.898 [] INFO  [localhost-startStop-1] xxx.xxx.task.ScheduleMain :定时任务启动结束......                                                                                 
2019-03-11 13:49:30.924 [1552283370923-0542] INFO  [DefaultQuartzScheduler_Worker-1] xxx.xxx.job.PreAuthorizeScheduleSendJob :预授权流水通知定时任务开始...                                
2019-03-11 13:49:30.929 [1552283370928-6398] INFO  [DefaultQuartzScheduler_Worker-2] xxx.xxx.job.PreAuthorizeScheduleResendJob :预授权流水重新通知定时任>务开始...                         
2019-03-11 13:49:30.975 [1552283370928-6398] INFO  [DefaultQuartzScheduler_Worker-2] xxx.xxx.service.PreAuthorizeHandlerService :未获取到需要重新推送的数                                  
据,当前任务结束......                                                                                                                                                                                    
2019-03-11 13:49:30.975 [1552283370928-6398] INFO  [DefaultQuartzScheduler_Worker-2] xxx.xxx.job.PreAuthorizeScheduleResendJob :预授权流水重新通知定时任>务结束...                         
2019-03-11 13:49:31.170 [1552283370923-0542] INFO  [DefaultQuartzScheduler_Worker-1] xxx.xxx.service.PreAuthorizeHandlerService :组织发送数据......[nTxns]1                                
2019-03-11 13:49:31.178 [1552283370923-0542] ERROR [DefaultQuartzScheduler_Worker-1] xxx.xxx.service.PreAuthorizeHandlerService :NTxn->NP通知实体,转换异>常:applicationContext is not init.
java.lang.IllegalStateException: applicationContext is not init.                                                                                                                                         
        at com.ips.posp.base.util.ApplicationContextHolder.getApplicationContext(ApplicationContextHolder.java:37)                                                                                       
        at com.ips.posp.base.util.ApplicationContextHolder.getBean(ApplicationContextHolder.java:32)                                                                                                     
        at com.ips.posp.base.util.ReflectInvokeUtil.invokeMethod(ReflectInvokeUtil.java:26)                                                                                                              
        at xxx.xxx.service.PreAuthorizeHandlerService.handlerPreAuthorizeNoticeInfo(PreAuthorizeHandlerService.java:96)                                                                    
        at xxx.xxx.job.PreAuthorizeScheduleSendJob.execute(PreAuthorizeScheduleSendJob.java:32)                                                                                            
        at org.quartz.core.JobRunShell.run(JobRunShell.java:202)                                                                                                                                         
        at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:573)                                                                                                                 
2019-03-11 13:49:31.178 [1552283370923-0542] INFO  [DefaultQuartzScheduler_Worker-1] xxx.xxx.job.PreAuthorizeScheduleSendJob :预授权流水通知定时任务结束...

原因是spring容器还没初始化完，定时任务quartz已经启动了，需要从上下文中获取bean。

解决办法：
1、主类实现ApplicationListener<ContextRefreshedEvent>接口
2、重写onApplicationEvent方法

@Override
	public void onApplicationEvent(ContextRefreshedEvent event) {
		if (event.getApplicationContext().getParent() == null){
            logger.info("applicationContext初始化完成...");
            this.start();
        }
	}