choucmei edited a comment on issue #5559:
URL:
https://github.com/apache/dolphinscheduler/issues/5559#issuecomment-851743131
> @choucmei There should be a thread that did not exit, can you find out ?
I found some thread running,but i think the major promblem is
ServerNodeManagerExecutor_1.
```
"ServerNodeManagerExecutor_1" #97 daemon prio=5 os_prio=0
tid=0x00002ba94dab8800 nid=0x3e7 waiting on condition [0x00002baaec88f000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x0000000741348bb0> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
at
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
```
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