kezhenyang163 commented on issue #14923:
URL: 
https://github.com/apache/dolphinscheduler/issues/14923#issuecomment-1770557435

   Log in to the DS machine and run [status-all.sh] to check the health status 
of DS cluster nodes,When I have this error, it is usually accompanied by a node 
exception in the cluster,You can prioritize whether it is a machine node problem
   
   
![a76f5c716f62a8fb9b8ed7d56429583e](https://github.com/apache/dolphinscheduler/assets/134901781/83bea81d-87cb-4d27-bcd9-2652da78dec8)
   
   After I restarted the cluster, the machine node status returned to normal 
and the task could be executed normally. However, the cause of DS node death 
still needs to be further identified according to the specific situation
   @yihao-tcf @AmriStrong @touchhuang 
   


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