On Wed, 2003-05-28 at 04:54, Jean Jordaan wrote:
Hi all
We're being chowed heavily by the KeyError discussed from the 13th to the 18th March in this thread: http://mail.zope.org/pipermail/zope-dev/2003-March/019081.html
Has there been any definite resolution of that issue? We're running Zope 2.6.1, has the issue gone away on Zope 2.6.2?
I just checked in a change that disables the "low conflict connection" feature of temporary storage. This fixes the KeyError issue out of 'get', but others have reported a problem for which the symptom is a a KeyError out of the storage's 'load' method. I have not been able to reproduce this problem.
In that thread a patch to TemporaryFolder.py was suggested to deal with ReadConflictErrors, but we don't get those. The suggestions regarding the KeyErrors was:
1) to move to a different storage, such as BerkeleyStorage or DirectoryStorage, for the session data, or 2) to "touch the objects that are likely to change early in the transaction." (Toby Dickenson).
Our errors are triggered in the bowels of XMLWidgets, so I don't think 1) is a simple solution, and we don't want to do 2) if we can avoid it. Have specific alternative session storages been found to be free of this issue?
You can give it a shot. The problem definitely seems to be related to the TemporaryStorage class, which won't be used if you use a different storage.
The initial report has been logged as a 'critical' error as http://collector.zope.org/Zope/848 but it's still Pending.
I have commented on the issue. Thanks! - C
-- Jean Jordaan http://www.upfrontsystems.co.za
_______________________________________________ Zope-Dev maillist - Zope-Dev@zope.org http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )