IIS problem

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  • A.J
    #1

    IIS problem

    Hi,

    We are usiing IIS 6. and running a load test(8hours) for our
    application.Our last run failed and the event log shows the following:
    System Log:

    A process serving application pool 'DefaultAppPool ' exceeded time
    limits during shut down. The process id was '2860'.

    Application Log:
    ISAPI 'C:\WINDOWS\Mic rosoft.NET\Fram ework\v1.1.4322 \aspnet_isapi.d ll'
    reported itself as unhealthy for the following reason: 'Deadlock
    detected'.

    This is the first time we are getting this type of error.
    perfmon is showing w3wp processor time inc. constantly.
    but its working set is fine.

    Could u please help me out!!!

    regards,
    Ajay

    Tags: None
    • John Timney \(MVP\)
      #2
      Re: IIS problem

      This can be caused by many things, in code its typically threading problems,
      web service calls etc overloading the worker processes, recursive routines
      not releasing resources like connections and forcing the app pool to recycle
      because of a deadlocked state ie. it has too many threads waiting for
      connections to terminate and become available that it thinks its unhealthy.
      If your load testing, this is the first place I would look.

      Read these and see if it helps you understand the root cause of your problem
      better:
      http://msdn.microsoft.com/msdnmag/is...s/default.aspx
      http://msdn.microsoft.com/library/de...netchapt06.asp

      Regards

      John Timney (MVP)


      "A.J" <ajay.bisht@gma il.comwrote in message
      news:1153212354 .312179.316440@ i42g2000cwa.goo glegroups.com.. .
      Hi,
      >
      We are usiing IIS 6. and running a load test(8hours) for our
      application.Our last run failed and the event log shows the following:
      System Log:
      >
      A process serving application pool 'DefaultAppPool ' exceeded time
      limits during shut down. The process id was '2860'.
      >
      Application Log:
      ISAPI 'C:\WINDOWS\Mic rosoft.NET\Fram ework\v1.1.4322 \aspnet_isapi.d ll'
      reported itself as unhealthy for the following reason: 'Deadlock
      detected'.
      >
      This is the first time we are getting this type of error.
      perfmon is showing w3wp processor time inc. constantly.
      but its working set is fine.
      >
      Could u please help me out!!!
      >
      regards,
      Ajay
      >

        Comment

        • A.J
          #3
          Re: IIS problem

          Thakns a lot buddy for such a quick reply.

            Comment

            • John Timney \(MVP\)
              #4
              Re: IIS problem

              also, if your using asp.net version 2.0 check out the health monitoring
              option


              --
              --
              Regards

              John Timney (MVP)
              "A.J" <ajay.bisht@gma il.comwrote in message
              news:1153215373 .915474.70900@p 79g2000cwp.goog legroups.com...
              Thakns a lot buddy for such a quick reply.
              >

                Comment

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