[Zope-dev] POSKeyErrors

[Shane Hathaway]

Brian R Brinegar wrote:
> We are running Zope 2.5.1 and ZEO 1. When someone does an Undo it doesn't
> seem to update all of the ZEO clients consistently. Some ZEO clients
> reflect the undo, others sometimes show an older version of the database
> and sometimes we get POSKeyErrors. Any idea what causes this? It's an old
> version of ZEO, is this a known bug? The traceback is below.

Yes, that's a known bug.  Please try the version of ZEO that ships with 
ZODB3 3.1.1.

http://www.zope.org/Products/ZODB3.1

Shane