--- In Firebird-Java@yahoogroups.com, Mark Rotteveel <mark@...> wrote:

>
> On 20-11-2012 17:25, hugo.larson wrote:
> >
> >
> > --- In Firebird-Java@yahoogroups.com, Mark Rotteveel <mark@> wrote:
> >>
> >> On 20-11-2012 16:35, hugo.larson wrote:
> >>> I checked windows log and firebird.log.
> >>> There is nothing there. The server seems fine.
> >>> I'm running superserver.
> >>> First I thought that it is a network problem but then I noticed the problems happens on localhost
> >>>
> >>> The stackstrace does not say any more than the message.
> >>>
> >>> See com.borland.dx.dataset.DataSetException error code: BASE+66
> >>> com.borland.dx.dataset.DataSetException: GDS Exception. 335544721. Unable to complete network request to host "".
> >>> Reason: Unable to complete network request to host "".
> >>> at com.borland.dx.sql.dataset.Database.<unknown>(Unknown Source)
> >>> at com.borland.dx.sql.dataset.o.a(Unknown Source)
> >>> at com.borland.dx.sql.dataset.o.d(Unknown Source)
> >>> at com.borland.dx.sql.dataset.o.f(Unknown Source)
> >>> at com.borland.dx.sql.dataset.QueryProvider.e(Unknown Source)
> >>> at com.borland.dx.sql.dataset.JdbcProvider.provideData(Unknown Source)
> >>> at com.borland.dx.dataset.StorageDataSet.refresh(Unknown Source)
> >>> at com.borland.dx.sql.dataset.QueryDataSet.refresh(QueryDataSet.class:0)
> >>> at web.dxweb.MyQueryDataSet.refresh(MyQueryDataSet.java:76)
> >>> at com.borland.dx.sql.dataset.QueryDataSet.executeQuery(QueryDataSet.class:0)
> >>
> >> You don't have a stacktrace inside the Jaybird sources (eg as the cause
> >> of this DataSetException?).
> >>
> >> Is this consistently reproducible, or does it just occur occasionally?
> >> If you can reproduce this consistently (or at least fairly regularly),
> >> could you try it with Jaybird 2.2.1?
> >>
> >> Mark
> >> --
> >> Mark Rotteveel
> >>
> > It's happens occasionally. We have about 200 installations and every day there is about 10 of such exceptions totally.
> > The application is mission critical so its problematic when it happens.
> >
> > I think the cause of the DataSetException is the message. There is no further information from the trace.
>
> What I meant was the actual FBSQLException (and its stacktrace) that
> makes QueryDataSet throw this exception. It could be that it isn't kept
> as the cause (ie getCause()) of that DataSetException though, which
> would be unfortunate, as it makes pinpointing where in Jaybird this
> occurs so much harder.
>
> I know I have seen this message before on this mailinglist, but I can't
> say if there was an actual cause identified.
>
> > Upgrading is a not easy since its so many installations.
>
> How about upgrading one or more installations that recently had this
> error (or those sites that have this most frequently)?
>
> Mark
> --
> Mark Rotteveel
>

I will try first the getCause() to see if there is a underlaying exception and report back to you.

Thanks,