[ZODB-Dev] debugging a zodb/zeo error

[Joseph Wayne Norton]

Chris and Chris -

Well, it turns out that CST is not at fault.  The offending item
belongs to a small, custom product that I have built.  This product
maintains and increments a thread safe counter where each zope server
in a zeo cluster has it's own unique counter value in ram (but the
counter item object is shared via the zodb).  

I reviewed all of the code and made one small adjustment but the
problem still exists. Fortunately, the counter is functioning
properly. As you said, it seems to be harmless so I'm not going to
worry about it right now ... since I am actually not quite sure how to
really fix the problem.

One thing that I realized, it would be useful to have a FAQ dedicated
*solely* to troubleshooting zope error and info messages.  This might
be like hanging one's dirty laundry out to dry but it surely might
help miminize e-mail traffic.

thanks again,

- joe

At Mon, 3 Dec 2001 10:09:11 -0500,
Chris McDonough wrote:
> 
> Yeah... I've seen these errors and at several points I've been
> convinced that I've had them "licked", but they've popped up and
> belied that notion several times now.  I've not been able to
> (purposely) eliminate them, although I haven't seen them in the latest
> Zope 2.5 stuff at all.  They're seemingly harmless.
> 
> ----- Original Message -----
> From: "Joseph Wayne Norton" <norton@alum.mit.edu>
> To: "Chris Withers" <chrisw@nipltd.com>
> Cc: <zodb-dev@zope.org>
> Sent: Monday, December 03, 2001 5:43 AM
> Subject: Re: [ZODB-Dev] debugging a zodb/zeo error
> 
> 
> >
> > Chris -
> >
> > At Mon, 03 Dec 2001 10:29:52 +0000,
> > Chris Withers wrote:
> > >
> > > *grinz* I'm betting that's your problem. There's nothing bad
> actually happening
> > > with these errors, just the messages appearing in your logs...
> > >
> >
> > I just read the archive messages and i think you are right.  My
> guess
> > is that these messages are harmless because, the application is
> > running fine (but it is better to be safe than sorry).  I will have
> to
> > dig further tomorrow.
> >
> > Unfortunately (or fortunately), we do not have the choice of
> > deinstalling CST ... because it is in use along with bsddb3Storage
> and
> > the following product,
> > http://www.zope.org/Members/natsukashi/Products/MountedStorage, to
> > to mount the storages.
> >
> > again thanks for the pointer.
> >
> > - j
> >
> >
> > _______________________________________________
> > For more information about ZODB, see the ZODB Wiki:
> > http://www.zope.org/Wikis/ZODB/
> >
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> >
>