As always, thanks for Durus. It's a great (and under-recognized) database.

We may end up patching Durus 3.7 to avoid having to upgrade everything for the
moment. If anybody is interested in that patch, let me know.

Dave

On Aug 17, 2011, at 7:38 AM, David Binger wrote:

> Good news.
> The issue discussed in this thread has now been diagnosed and solved by David
Hess.
>
> The problem turned out to be this:
> when a persistent instance becomes temporarily unreachable during the period
> that an incremental pack is in progress, the object's record might be left out
of the
> newly packed file. All subsequent attempts to access that object, including
subsequent
> packs, would get an exception.
>
> This rare trap has existed for years: for all versions that supported
incremental packing.
>
> The patch will be included in the next release (expected soon).
>
> Thanks, David, for your good work on this.