Antonio Beamud Montero wrote at 2005-3-29 20:49 +0200:
>I get the next errors, when I try to add some of my Product Instances...
>(In zope 2.5.0 works well...)
>2005-03-29T18:52:47 INFO(0) ZODB Opening database for mounting:
>2005-03-29T18:52:47 PROBLEM(100) ZODB Failed to mount database.
>exceptions.AttributeError ('NoneType' object has no attribute
>Traceback (most recent call last):
>  File "/opt/zope/lib/python/ZODB/", line 168, in
>    conn, newMount, mcc = self._openMountableConnection(parent)
>  File "/opt/zope/lib/python/ZODB/", line 142, in
>    conn =
>AttributeError: 'NoneType' object has no attribute 'getVersion'

Apparently, Zope cannot locate the parent ZODB connection.

This can happen, when you create a new subhierarchy containing
a leaf mount point. In such a case, you can commit a subtransaction
to give all new objects a connection before you create the mount point.

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