[ZODB-Dev] ValueError: Non-zero version length. Versions aren't supported.

[Andreas Jung]

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I am receiving the following weird error with a fresh Plone 4.2b2
sandbox during development tests. At least the "Versions" error message
confuses me since the installation including ZODB Data.fs file
is usually fresh.

Andreas


 File
"/home/ajung/.buildout/eggs/Chameleon-2.8.4-py2.6.egg/chameleon/template.py",
line 190, in render
    raise_with_traceback(exc, tb)
  File
"/home/ajung/.buildout/eggs/Chameleon-2.8.4-py2.6.egg/chameleon/template.py",
line 172, in render
    self._render(stream, econtext, rcontext)
  File "e9d937ec11d78bdffa5760f426680e870e7641d6.py", line 42, in render
  File
"/home/ajung/.buildout/eggs/z3c.pt-2.2-py2.6.egg/z3c/pt/expressions.py",
line 58, in render_content_provider
    cp.update()
  File
"/home/ajung/.buildout/eggs/zope.viewlet-3.7.2-py2.6.egg/zope/viewlet/manager.py",
line 112, in update
    self._updateViewlets()
  File
"/home/ajung/.buildout/eggs/zope.viewlet-3.7.2-py2.6.egg/zope/viewlet/manager.py",
line 118, in _updateViewlets
    viewlet.update()
  File
"/home/ajung/.buildout/eggs/plone.app.layout-2.2.5-py2.6.egg/plone/app/layout/viewlets/common.py",
line 158, in update
    self.portal_tabs = portal_tabs_view.topLevelTabs()
  File
"/home/ajung/.buildout/eggs/Products.CMFPlone-4.2b2-py2.6.egg/Products/CMFPlone/browser/navigation.py",
line 183, in topLevelTabs
    rawresult = self.portal_catalog.searchResults(query)
  File
"/home/ajung/.buildout/eggs/Products.CMFPlone-4.2b2-py2.6.egg/Products/CMFPlone/CatalogTool.py",
line 428, in searchResults
    return ZCatalog.searchResults(self, REQUEST, **kw)
  File
"/home/ajung/.buildout/eggs/Products.ZCatalog-2.13.22-py2.6.egg/Products/ZCatalog/ZCatalog.py",
line 604, in searchResults
    return self._catalog.searchResults(REQUEST, used, **kw)
  File
"/home/ajung/.buildout/eggs/Products.ZCatalog-2.13.22-py2.6.egg/Products/ZCatalog/Catalog.py",
line 907, in searchResults
    return self.search(args, sort_index, reverse, sort_limit, _merge)
  File
"/home/ajung/.buildout/eggs/Products.ZCatalog-2.13.22-py2.6.egg/Products/ZCatalog/Catalog.py",
line 503, in search
    cr = self.getCatalogPlan(query)
  File
"/home/ajung/.buildout/eggs/Products.ZCatalog-2.13.22-py2.6.egg/Products/ZCatalog/Catalog.py",
line 916, in getCatalogPlan
    return CatalogPlan(self, query, threshold)
  File
"/home/ajung/.buildout/eggs/Products.ZCatalog-2.13.22-py2.6.egg/Products/ZCatalog/plan.py",
line 155, in __init__
    self.key = self.make_key(query)
  File
"/home/ajung/.buildout/eggs/Products.ZCatalog-2.13.22-py2.6.egg/Products/ZCatalog/plan.py",
line 212, in make_key
    valueindexes = self.valueindexes()
  File
"/home/ajung/.buildout/eggs/Products.ZCatalog-2.13.22-py2.6.egg/Products/ZCatalog/plan.py",
line 198, in valueindexes
    values = index.uniqueValues()
  File
"/home/ajung/.buildout/eggs/Products.ZCatalog-2.13.22-py2.6.egg/Products/PluginIndexes/common/UnIndex.py",
line 472, in uniqueValues
    return tuple(self._index.keys())
  File
"/home/ajung/.buildout/eggs/ZODB3-3.10.5-py2.6-linux-x86_64.egg/ZODB/Connection.py",
line 860, in setstate
    self._setstate(obj)
  File
"/home/ajung/.buildout/eggs/ZODB3-3.10.5-py2.6-linux-x86_64.egg/ZODB/Connection.py",
line 901, in _setstate
    p, serial = self._storage.load(obj._p_oid, '')
  File
"/home/ajung/.buildout/eggs/ZODB3-3.10.5-py2.6-linux-x86_64.egg/ZODB/FileStorage/FileStorage.py",
line 413, in load
    h = self._read_data_header(pos, oid, _file)
  File
"/home/ajung/.buildout/eggs/ZODB3-3.10.5-py2.6-linux-x86_64.egg/ZODB/FileStorage/format.py",
line 150, in _read_data_header
    h = DataHeaderFromString(s)
  File
"/home/ajung/.buildout/eggs/ZODB3-3.10.5-py2.6-linux-x86_64.egg/ZODB/FileStorage/format.py",
line 236, in DataHeaderFromString
    return DataHeader(*struct.unpack(DATA_HDR, s))
  File
"/home/ajung/.buildout/eggs/ZODB3-3.10.5-py2.6-linux-x86_64.egg/ZODB/FileStorage/format.py",
line 246, in __init__
    "Non-zero version length. Versions aren't supported.")
ValueError: Non-zero version length. Versions aren't supported.


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