Could not start Quartz Scheduler after delay; nested exception is org.quartz.SchedulerException: The Scheduler cannot be restarted after shutdown() has been called.

Question

Exception in thread "Quartz Scheduler [liuqlScheduler]" org.springframework.scheduling.SchedulingException: Could not start Quartz Scheduler after delay; nested exception is org.quartz.SchedulerException: The Scheduler cannot be restarted after shutdown() has been called.
at org.springframework.scheduling.quartz.SchedulerFactoryBean$1.run(SchedulerFactoryBean.java:753)
Caused by: org.quartz.SchedulerException: The Scheduler cannot be restarted after shutdown() has been called.
at org.quartz.core.QuartzScheduler.start(QuartzScheduler.java:529)
at org.quartz.impl.StdScheduler.start(StdScheduler.java:142)
at org.springframework.scheduling.quartz.SchedulerFactoryBean$1.run(SchedulerFactoryBean.java:750)
断开与目标 VM 的连接，地址：'127.0.0.1:55575', transport: 'socket'

进程已结束，退出代码 1

Answer 1

报错的原因就是是Scheduler中的shutdown()和start()启动时出现冲突问题，shutdown()后又来start()，最后就变成那个线程没有了，导致报错。
原因：楼主是否配置了项目启动后延迟多少秒启动定时调度器
建议：开发的时候 延迟时间短点 或者别在短时间内重复启动服务