Hi,

zope.app.keyreference-3.5.0_dev_r77018-py2.4.egg requires ZODB3>=3.9.0-dev-r77011


But there might be a caching problem within ZODB3-3.9.0 dev r77011, my debug session tells:

> /development/Zope3/MyProject/eggs/ZODB3-3.9.0_dev_r77011-py2.4- macosx-10.4-ppc.egg/ZODB/Connection.py(644)_store_objects()
-> raise
(Pdb) obj
<zope.app.file.image.Image object at 0x3faadb0>
(Pdb) oid
'\x00\x00\x00\x00\x00\x00\x00\xc6'
(Pdb) self._cache[oid]
*** KeyError: '\x00\x00\x00\x00\x00\x00\x00\xc6'
(Pdb) self._cache[oid] = obj
*** TypeError: Cache values must be persistent objects.

But zope.app.file.image.Image should be persistent.

(Pdb) dir (obj)
['__annotations__', '__class__', '__delattr__', '__dict__', '__doc__', '__getattribute__', '__getstate__', '__hash__', '__implemented__', '__init__', '__module__', '__new__', '__providedBy__', '__provides__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__setstate__', '__slotnames__', '__str__', '__weakref__', '_data', '_getData', '_height', '_p_activate', '_p_changed', '_p_deactivate', '_p_delattr', '_p_getattr', '_p_invalidate', '_p_jar', '_p_mtime', '_p_oid', '_p_serial', '_p_setattr', '_p_state', '_setData', '_size', '_width', 'contentType', 'data', 'getImageSize', 'getSize']

Looking forward to some hints or help,
Tobias
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