Subject Re: [firebird-support] Re: Strange network problem, a real puzzle
Author Andy Browne
Are you sure the times in the log match when they are rebooted, and that you
are not getting collisions on the network, and the servers sees a break /
disconnection ??

Andy

dr_bentonquest wrote:

> > If it is always the same 4th terminal that continues to work it
> sounds like a
> > network problem, try checking the server, firebird server log for
> unexpected
> > client disconnects.
>
> Yes, log has many 10054 errors, I read those are caused by a terminal
> that was turned off (or rebooted) without properly disconnecting from
> the server. That's exactly what is happening right now because of the
> freezes.
>
> Thanks,
>
> -Benton
>
>
> > dr_bentonquest wrote:
> >
> > > Network setup:
> > > One W2K Server, running FB 1.0 server
> > > Three client applications built with Delphi 7 and IBObjects
> running
> > > on W98 terminals, FB 1.0 client install. I¡¦m using IBO¡¦s
> TDataset-
> > > compatible components.
> > >
> > > All four machines can connect to the database and execute *most*
> > > queries. However, on three of the four client apps, opening
> certain
> > > query freezes that computer to a point where ctrl-alt-del does not
> > > even work.
> > > The server and a fourth terminal *can* always execute the same
> query
> > > without any problem at all, though.
> > >
> > > Another symptom: if one client app is working fine (no freezes)
> and
> > > then a second terminal opens the ¡§offending¡¨ query, the first PC
> > > *seems* to hang, but after pushing the reset button on the second
> > > terminal, life returns to the first one and client app. returns to
> > > normal behavior. Note that server is unaffected even when one or
> more
> > > terminals are frozen.
> > >
> > > And as I said before, there is this fourth terminal that can
> safely
> > > open the query all the time, just like the server can. Yesterday
> > > everything was fine on the network, problem came up this morning.
> > >
> > > Here¡¦s what has been done so far:
> > >
> > > In the server:
> > > -Reboot ļ
> > > -Uninstall/reinstall FB 1.0 server
> > > -Database sweep, backup and restore
> > >
> > > In the terminals:
> > > -Reboot ļ
> > > -Uninstall/reinstall FB 1.0 server
> > >
> > > No luck yet. At this time I don¡¦t know the exact SQL of the query
> > > that is causing havoc (there are several queries on that form)
> > > because right now I am in a different city. Tonight I¡¦ll drive
> to my
> > > client¡¦s place in order to take a closer look at the problem.
> > >
> > > I desperately need more ideas to try out tomorrow. All
> > > guidance/suggestions/pointers are welcome.
> > >
> > > Thanks a lot,
> > >
> > > -Benton
> > >
> > >
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> > >
> > >
> > >
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