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Not Answered Thread: "Service Unavailable" caused by "Application pool 'DefaultAppPool' is being automatically disabled due to a series of failures in the process(es) serving that application pool."

Last post 11-19-2008 2:03 PM by hz333333. 2 replies.

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  • 11-17-2008, 5:39 PM

    • hz333333
    • Not Ranked
    • Joined on 11-17-2008, 10:26 PM
    • Posts 2

    "Service Unavailable" caused by "Application pool 'DefaultAppPool' is being automatically disabled due to a series of failures in the process(es) serving that application pool."

    Reply Contact

    Hi all,

    I have an ASP.Net application which runs perfectly with Visual Studio Dev Server.  When it is run from WS 2003, under certain conditions it takes a long time and then asks for user name and password.  After a few tries, the server essentially crashes.  Every pages gives "Service Unavailable" unavailable error.  It is always associated with the following error in event log:

    Event Type: Error
    Event Source: W3SVC
    Event Category: None
    Event ID: 1002
    Date:  11/17/2008
    Time:  5:18:41 PM
    User:  N/A
    Computer: USDVRENG01
    Description:
    Application pool 'DefaultAppPool' is being automatically disabled due to a series of failures in the process(es) serving that application pool.

    For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
     

    This error is usually preceded by a few instances of the following warnings:

    Event Type: Warning
    Event Source: W3SVC
    Event Category: None
    Event ID: 1009
    Date:  11/17/2008
    Time:  4:39:55 PM
    User:  N/A
    Computer: USDVRENG01
    Description:
    A process serving application pool 'DefaultAppPool' terminated unexpectedly. The process id was '3900'. The process exit code was '0x800703e9'.

    For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

    I have to reboot the server to revive it. 

    Any tip will be greatly appreciated.

  • 11-17-2008, 5:48 PM In reply to

    Re: "Service Unavailable" caused by "Application pool 'DefaultAppPool' is being automatically disabled due to a series of failures in the process(es) serving that application pool."

    Reply Contact

    Here you go.

    http://blogs.msdn.com/tess/archive/2006/02/06/a-net-crash-how-not-to-write-a-global-exception-handler.aspx

    A detailed walkthrough of what to do to fix problems like this. Infact it even has the same error code for you example.

    0x800703e9 - “Recursion too deep; the stack overflowed.”

    So look like a code issue.

    http://www.iisportal.com

  • 11-19-2008, 2:03 PM In reply to

    • hz333333
    • Not Ranked
    • Joined on 11-17-2008, 10:26 PM
    • Posts 2

    Re: "Service Unavailable" caused by "Application pool 'DefaultAppPool' is being automatically disabled due to a series of failures in the process(es) serving that application pool."

    Reply Contact

     Thanks for your response.

     It took me a while to figure out it is related to DefaultView.RowFilter as described here.

    http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=4147717&SiteID=1&mode=1

    I don't see any flaw in the code.  I do not know whether this is a problem of IIS or .Net.

    Again, the same code runs fine without any problem in VS2008 on an XP machine.

    Any further tip to fix IIS will be greatly appreciated.

     

     
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