[GitHub] [dolphinscheduler] didiaode18 opened a new issue #5481: [Bug][server] The master suddenly hangs but no error is found in the log

[GitBox]

didiaode18 opened a new issue #5481:
URL: https://github.com/apache/dolphinscheduler/issues/5481


   **Describe the bug**
   The master suddenly hangs but no error is found in the log,After restarting 
the master, the task can be run again, and the master will stop again after a 
while.
   
   **To Reproduce**
   Always exist
   
   **Expected behavior**
   master don't hang up
   **Screenshots**
   <img width="845" alt="微信图片_20210517124319" 
src="https://user-images.githubusercontent.com/22792154/118434349-79c0c100-b70f-11eb-9608-53f68fa26804.png";>
   <img width="956" alt="微信图片_20210517125027" 
src="https://user-images.githubusercontent.com/22792154/118434364-83e2bf80-b70f-11eb-8eef-ee4ce57d09e9.png";>
   <img width="624" alt="微信图片_20210517125117" 
src="https://user-images.githubusercontent.com/22792154/118434369-86ddb000-b70f-11eb-9b46-c73df4fd79e0.png";>
   <img width="928" alt="微信图片_20210517125059" 
src="https://user-images.githubusercontent.com/22792154/118434370-88a77380-b70f-11eb-9c85-23916a591efe.png";>
   
   
   
   **Which version of Dolphin Scheduler:**
    -[1.3.4]
   
   **Additional context**
   Add any other context about the problem here.
   
   **Requirement or improvement**
   - Please describe about your requirements or improvement suggestions.
   


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