Elastic-Job 连接Zookeeper的Session自动关闭是怎么回事

Question

遇到的问题

          程序运行的很正常，突然就把Zookeeper的Session给关闭了：Session: 0x17c917a4e891e58 closed

问题相关代码

2021-11-24 22:20:29.372  INFO 233698 --- [           main] o.s.c.support.DefaultLifecycleProcessor  : Failed to shut down 1 bean with phase value 2147483547 within timeout of 30000: [org.springframework.kafka.config.internalKafkaListenerEndpointRegistry]
2021-11-24 22:20:29.372  INFO 233698 --- [           main] o.s.s.quartz.SchedulerFactoryBean        : Shutting down Quartz Scheduler
2021-11-24 22:20:29.372  INFO 233698 --- [           main] org.quartz.core.QuartzScheduler          : Scheduler quartzScheduler_$_NON_CLUSTERED shutting down.
2021-11-24 22:20:29.372  INFO 233698 --- [           main] org.quartz.core.QuartzScheduler          : Scheduler quartzScheduler_$_NON_CLUSTERED paused.
2021-11-24 22:20:29.373  INFO 233698 --- [           main] org.quartz.core.QuartzScheduler          : Scheduler quartzScheduler_$_NON_CLUSTERED shutdown complete.
2021-11-24 22:20:29.379  INFO 233698 --- [           main] o.s.s.concurrent.ThreadPoolTaskExecutor  : Shutting down ExecutorService 'applicationTaskExecutor'
2021-11-24 22:20:29.885  INFO 233698 --- [tor-Framework-0] o.a.c.f.imps.CuratorFrameworkImpl        : backgroundOperationsLoop exiting
2021-11-24 22:20:29.904  INFO 233698 --- [           main] org.apache.zookeeper.ZooKeeper           : Session: 0x17c917a4e891e58 closed
2021-11-24 22:20:29.904  INFO 233698 --- [ain-EventThread] org.apache.zookeeper.ClientCnxn          : EventThread shut down
2021-11-24 22:20:29.910  INFO 233698 --- [           main] o.a.k.clients.producer.KafkaProducer     : [Producer clientId=producer-1] Closing the Kafka producer with timeoutMillis = 30000 ms.

我的解答思路和尝试过的方法

          可能会是Kafka的原因么，希望大家帮忙看看，给点建议