evan@tokenexchange.com wrote:

We need to establish the exact sequence of events, here.

Sorry, I should know better than that.

You installed Zope, then what? Did you install any Products? Are any of them broken?

I installed Brian's ZSybaseDA. None are broken.

The folder you mention -- how was it created?

Add new folder.

Did you import anything?

No.

Convert a version 1.x ODB?

No. As I said, fresh install of 2.0.0, first time user.

Only use the web interface to create objects?

Yes. Possible oddity: for a while I was using two browsers under the same login to manipulate the database through the management interface. However, I have since curtailed that activity under the suspicion of it NotWorkingQuiteRightThatWay(tm), but I am still receiving the unpickling errors on occasion.

Is it a plain Folder, or a folderish object from some Product?

Plain Folder, populated with ZSybaseDA connections and SQL Methods.

When you say that the unpickling error is sporadic, do you mean it comes and goes with no action on your part, or that you fix the ZODB somehow, and the problem reoccurs at an unpredictable later time?

Occasionally, I will get ZOPE errors reporting that it cannot find the folder within which I am attempting to change a DTML Document. Typically, if I hit the back button and retry, the second try will succeed. When this event happens, there is always an "unpickle" error message in the shell session within which I am running the ZOPE process. When the folder "went away", I received the "possible broken product messages". These messages continued whenever I attempted to access the folder, until I restarted ZOPE (which incidentally will also cure the unpickle problems temporarily), at which point I had to commit my current session before the folder was accessible again. Hope this helps. Regards, -scott