eureka: eureka-client-1.4.12 TimedSupervisorTask : task supervisor rejected the task

Source TimedSupervisorTask.java line 62 Need to determine whether the executor is shutdown. Specific is when using spring cloud eurekaClient.

exception stack: ` 2017-03-04 11:47:34.485 ERROR 21604 — [ver-bootstrap-0] c.netflix.discovery.TimedSupervisorTask : task supervisor rejected the task

java.util.concurrent.RejectedExecutionException: Task java.util.concurrent.FutureTask@300f48c6 rejected from java.util.concurrent.ThreadPoolExecutor@3ec8a0b7[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0] at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2047) ~[na:1.8.0_92] at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:823) [na:1.8.0_92] at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1369) [na:1.8.0_92] at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112) ~[na:1.8.0_92] at com.netflix.discovery.TimedSupervisorTask.run(TimedSupervisorTask.java:62) ~[eureka-client-1.4.12.jar:1.4.12] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_92] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_92] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [na:1.8.0_92] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.8.0_92] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_92] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_92] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_92] `