attempting to undo an un-undoable transaction gives "NotImplementedError" with ZODB 3.9.5

Chris Withers <[email protected]>
Newsgroups gmane.comp.web.zope.devel,gmane.comp.web.zope.zodb
Message-ID <[email protected]>
Here's an example:

2010-08-26 22:49:01 ERROR txn.-1338986496 Failed to abort resource 
manager: <MultiObjectResourceAdapter for <ZODB.DB.TransactionalUndo 
object at 0x2d509f0> at 47516176>
Traceback (most recent call last):
   File "transaction-1.1.0-py2.6.egg/transaction/_transaction.py", line 
475, in abort
     rm.abort(self)
   File "transaction-1.1.0-py2.6.egg/transaction/_transaction.py", line 
548, in abort
     self.manager.abort(o, txn)
   File "ZODB3-3.9.5-py2.6-macosx-10.3-fat.egg/ZODB/DB.py", line 985, in 
abort
     raise NotImplementedError
NotImplementedError

This used to give a meaningful error message.

Anyone know why it no longer does?

Chris

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Simplistix - Content Management, Batch Processing & Python Consulting
            - http://www.simplistix.co.uk
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