Re: Snapshots mysteriously vanishing?
Re: Snapshots mysteriously vanishing?
- Subject: Re: Snapshots mysteriously vanishing?
- From: Mike Schrag <email@hidden>
- Date: Thu, 25 Mar 2010 13:37:21 -0400
by any chance was this an EO in a parent editing context that also existed in a child editingcontext?
ms
On Mar 25, 2010, at 1:24 PM, Marc Guenther wrote:
> Hi,
>
> we have switched to WO 5.4.3 (from 5.2.3) several months ago. And since that time, we sporadically experience strange exceptions, mostly NullPointerExceptions deep within EOF, most of which could be traced back to a snapshot mysteriously vanishing.
>
> I had this in the debugger once, and drilled down to all the snapshots in the EODatabase, and there was one entry missing. Interestingly, this was from an entity which is readonly and cached, and also that entry had to have been there before, otherwise the app wouldn't have gotten to the point where it failed. I checked the DB and the value was there. It is from a table which is only used for lookup and never changes.
>
> This also happened with other snapshots of regular entitites, and we have never really been able to reproduce it reliably. It seems to happen when lots of ECs are involved, but that's only an assumption.
>
> Has anyone ever seen something like this? Can this be related to the WO 5.4.3 switch? I remember some talk about open bugs in 5.4.3, but haven't been able to find anything substantial about it.
>
> Btw, no WOnder (yet, sniff)
>
> Thanks,
> Marc
>
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