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  • andrew shearer 513 posts 663 karma points
    Sep 06, 2016 @ 20:56
    andrew shearer
    0

    Umbraco 7.4.3 HostingEnvironment initiated shutdown CONFIG change

    hello - Our client has been reporting outages on their production Umbraco website recently. Inspecting the log files indicates something is causing the Umbraco application to restart sporadically. An example as follows:

    2016-09-06 12:39:54,474 [P7768/D14/T66] INFO UmbracoApplicationBase - Application shutdown. Details: ConfigurationChange
_shutDownMessage=CONFIG change
HostingEnvironment initiated shutdown
CONFIG change
CONFIG change
CONFIG change
CONFIG change
CONFIG change
CONFIG change
CONFIG change
CONFIG change
CONFIG change
CONFIG change
CONFIG change
HostingEnvironment caused shutdown

    Quite often, the application won’t start back up successfully causing an outage of the website. Which config file would this be?

    Details of the environment are: Umbraco 7.4.3 Windows Server 2008 R2 IIS 7.5

    Thanks

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  • andrew shearer 513 posts 663 karma points
    Sep 06, 2016 @ 21:06
    andrew shearer
    0

    Some potential leads I have to follow:

    File Change Notification (FCN) http://shazwazza.com/post/all-about-aspnet-file-change-notification-fcn/

    Antivirus software: http://blogs.msdn.com/b/tess/archive/2008/05/14/asp-net-performance-issue-large-number-of-application-restarts-due-to-virus-scanning.aspx

    AppDomains, Threads, CultureInfo https://www.zpqrtbnk.net/posts/appdomains-threads-cultureinfos-and-paracetamol

    Other https://our.umbraco.org/forum/using-umbraco-and-getting-started//79842-umbraco-743-hostingenvironment-initiated-shutdown-config-change

    Has anyone resolved this issue and have any advice to offer? thanks

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  • Dave Woestenborghs 3504 posts 12135 karma points MVP 9x admin c-trib
    Sep 07, 2016 @ 06:41
    Dave Woestenborghs
    0

    Hi Andrew,

    We saw this issue as well in the past. Every time a user saved something in the backend the application restarted. Because some files get updated when you save or publish (examine indexes, umbraco.config)

    The cause was a MS update being installed on the server.

    More info in this issue : http://issues.umbraco.org/issue/U4-6338

    Dave

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  • andrew shearer 513 posts 663 karma points
    Sep 07, 2016 @ 21:42
    andrew shearer
    0

    hi Dave, many thanks for the reply. That ticket seems to be regarding win8 / server 2012. Our server is 2008 R2 and I can't find any confirmation this OS was affected in exactly the same way or if there was a patch? Do you know? thanks

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