Another classic cause of these sort of problems....

Server is displaying a dialog box (from an assert, unhandled exception etc)
on a WndowStation that the user cant see. Try running your server as
interactive user and see if anything pops up.

---------------------------------------------------------
Phil Reynolds
Ridgeway Systems and Software
Tel: +44 118 938 1211
Fax: +44 118 935 4444
mailto:preynoldsridgewaysystems.com
http://www.ridgewaysystems.com

> -----Original Message-----
> From: Pete Davis [mailto:pdavisQUETEL.COM]
> Sent: 25 February 2002 13:54
> To: DCOMDISCUSS.MICROSOFT.COM
> Subject: Re: [DCOM] server hanging
>
>
> It sounds like you have some sort of race condition.
> Obviously not with the
> database, as you said you're not seeing any locks. What about
> synchronization; Semaphores, mutexes, critical sections, are
> you using any
> of these anywhere in your code?
>
> What about possible file locking problems (opening a file for
> write while
> another is trying to read), that kind of stuff?
>
> If it's none of these, it sounds like a bad pointer sent your
> application
> into lala land. I think I've seen this happen with hitting a
> breakpoint (int
> 3, assembly) from a bad pointer.
>
> Pete
>
> ----- Original Message -----
> From: "Kanth" <kanthMAGNAQUEST.COM>
> To: <DCOMDISCUSS.MICROSOFT.COM>
> Sent: Monday, February 25, 2002 8:58 AM
> Subject: Re: server hanging
>
>
> > Hi Pete,
> >
> > When the server hangs, the CPU utilization is minimal.
> >
> > -Ravi Kanth
> >
> > ----- Original Message -----
> > From: "Pete Davis" <pdavisQUETEL.COM>
> > To: <DCOMDISCUSS.MICROSOFT.COM>
> > Sent: Monday, February 25, 2002 6:28 PM
> > Subject: Re: server hanging
> >
> >
> > > Have you checked what's going on with the CPU when it
> hangs? If the CPU
> is
> > > pegged, maybe you've got a infinite loop going on in one of your
> > components.
> > >
> > > Pete
> > > ----- Original Message -----
> > > From: "Kanth" <kanthMAGNAQUEST.COM>
> > > To: <DCOMDISCUSS.MICROSOFT.COM>
> > > Sent: Monday, February 25, 2002 8:03 AM
> > > Subject: server hanging
> > >
> > >
> > > Hi All!
> > >
> > > We developed a set of components (in vb) which are
> deployed in MTS 2.0
> > (win
> > > NT machine). The users are connecting to the server from different
> > machines
> > > (windows 2000 win nt and win 98). Some users are also connecting
> through
> > > web (we are using ASP ). Frequently we found that the
> server is getting
> > > hanged. We need to restart it again inorder to resume the
> server from
> > > hanging state. We found that there is no problem in
> database (we are
> using
> > > sql server 7.0 ), i.e., no deadlocks are occurring. Is
> component hanging
> > is
> > > present in MTS 2.0, If yes, what is the solution to overcome this
> problem.
> > > Please reply me back, If you have any solution.
> > >
> > > thanks in advance
> > > -Ravi Kanth
> > >
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