It's likely that moving to 2.2 may be a less-than-transparent prospect, mostly due to the security changes. But unfortunately, if this catalog thing is a showstopper for you, you'll probably need to bite the bullet and upgrade at some point. In any case, even without an upgrade, if you are willing and able to send us your file storage, your installed Products directory, and any external methods you've got lying around, with a proven way of recreating a catalog-related error symptom, we'd be probably able to make use of it on our quest to fix boundary conditions on the catalog. Scott Burton wrote:
I will see what I can do about the before and after snapshots. Then again, I should probably just make the move to 2.2. Is there a way to use the same objects created by ZDiscussions in my ZClass version of ZD as long as the meta_types are the same? That way the change-over could be transparent.(hopefully)
From: Chris McDonough <chrism@digicool.com> Date: Sat, 28 Oct 2000 14:34:53 -0400 To: Scott Burton <scott@launchpoint.net> Cc: Zope List <zope@zope.org> Subject: Re: [Zope] more __len__ errors
Hmmm... Zope 2.1.6 has known catalog issues. So does 2.2.X for that matter, but at least some of them have been fixed (not to mention that later versions of Zope log errors in cataloging and uncataloging objects). The Zope 2.1.X branch is not really being maintained. You should probably try to move to the latest release.
That said, it would be most helpful to have a full copy of the Zope installation which exhibits the problem. Even better (but probably less possible) is to have a full copy of the Zope installation *right before* the problem starts occurring and one *right after* the problem starts occurring so we can look at the catalog data structures to see what might be happening. Platform is not thought to be an issue. This would be helpful even if it was a Zope 2.1.6 install.
Scott Burton wrote:
Sorry about that, I forgot to send the trace back along with the message. As my luck would have it, I go to the section that was giving me an error, now it has disappeared? It s now working again with no errors. I know it isn't just me, one of my clients is reporting the same error on their side from my server. Here are some server specs: Zope 2.1.6 on Caldera Open Linux 2.3 if that helps.
From: Chris McDonough <chrism@digicool.com> Date: Sat, 28 Oct 2000 08:34:46 -0400 To: Scott Burton <scott@launchpoint.net> Cc: Zope List <zope@zope.org> Subject: Re: [Zope] more __len__ errors
Scott, we're struggling with some catalog issues right now... I didn't see the traceback attached, but I assume it's a "len of unsized object" error. We'd be very interested in obtaining a setup where this problem was repeatable.
Scott Burton wrote:
I am having a intermittent problem with ZCatalog(I think). I have a couple of products that are catalog-aware and have been working. Then, out of nowhere if I call <dtml-in "Catalog(meta_type='object')"> I get a __len__ error, when a few minutes before it worked. I looked at the undo list to see if I have done anything to cause it but could not find anything. I delete the cataloged objects as well as the objects themselves and re-create them. Same problem. Here is the TB:
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