Do you have blob data fields in your table? Then you are using
iscSeekBlob and iscBlobInfo indirectly.


Am 07.03.2013 20:34, schrieb hugo.larson:

>
>
>
> --- In Firebird-Java@yahoogroups.com
> <mailto:Firebird-Java%40yahoogroups.com>, Mark Rotteveel <mark@...> wrote:
> >
> > On 6-3-2013 12:28, Mark Rotteveel wrote:
> > > Anyway, I will go over the code mentioned in the stacktrace to see
> if it
> > > does anything obviously wrong, and I will try to add any exception
> causes
> > > to the GDSException in that area.
> >
> > I have taken a look at the code pointed out in the stacktrace, but I
> > don't see anything obviously wrong with it. The only possible cause for
> > the message here is an IOException reading from or writing to the
> > database connection.
> >
> > I fixed some synchronization bugs related to iscSeekBlob and
> iscBlobInfo
> > recently. If you use a single connection from more than one thread at a
> > time (which in itself is not advisable) and also do things with blobs,
> > that might be a potential cause, otherwise I can only think of network
> > related issues.
> >
> > I have added the exceptions as a cause to GDSException for occurrences
> > of this error code; this change will be in the next (minor) Jaybird
> > release (2.2.3, no releasedate set yet). I hope it will help find
> the cause.
> >
> > Mark
> > --
> > Mark Rotteveel
> >
> Hello,
> I'm not using iscSeekBlob or iscBlobInfo.
> The problem can't be related to network issues since it happens on
> localhost.
> I think that JBuilder DataExpress does not like that different threads
> execute statements simultaneously with same connections but that
> usually (I think) throws an exception "Resultset is already closed".
> I don't think I do that but will do some logging to exclude the
> possibility.
>
> Regards,
>
>

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