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on application pool my .net core(3.1) application suddenly shutdown(in production server), I often get the following entry in event log Failed to gracefully shutdown application 'MACHINE/WEBROOT/APPHOST/SITEName'.

user1389320
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  • In most cases you need other evidence to tell that there is a serious issue. Such are typical warnings on many machines. – Lex Li Oct 15 '20 at 20:46
  • Could you please tell me how you find this application is not gracefully shutdown? Do you write some trace logs in your application to trace the gracefully shutdown. If not, I suggest you could try to follow this [answer](https://stackoverflow.com/a/60252562/7609093) to do it. – Brando Zhang Oct 16 '20 at 09:59
  • It's usually seen in event viewer/Application. Event Id 1005, source "IIS AspNetCore Module V2" – Nicholas McQuillen Dec 17 '21 at 17:18

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