Error in test testUpgrade (plone.app.upgrade.v25.tests.TestFunctionalMigrations)
Traceback (most recent call last):
  File "/usr/local/src/python/src/parts/opt/lib/python2.6/unittest.py", line 279, in run
    testMethod()
  File "/Users/davidg/ONENW/plonedev-4.0/src/plone.app.upgrade/plone/app/upgrade/v25/tests.py", line 128, in testUpgrade
    oldsite, result = self.migrate()
  File "/Users/davidg/ONENW/plonedev-4.0/src/plone.app.upgrade/plone/app/upgrade/tests/base.py", line 164, in migrate
    result = mig.upgrade(swallow_errors=False)
  File "<string>", line 3, in upgrade
  File "/Users/davidg/.buildout/eggs/Zope2-2.12.3-py2.6-macosx-10.6-i386.egg/AccessControl/requestmethod.py", line 70, in _curried
    return callable(*args, **kw)
  File "/Users/davidg/ONENW/plonedev-4.0/src/Plone/Products/CMFPlone/MigrationTool.py", line 164, in upgrade
    step['step'].doStep(setup)
  File "/Users/davidg/ONENW/plonedev-4.0/src/Products.GenericSetup/Products/GenericSetup/upgrade.py", line 141, in doStep
    self.handler(tool)
  File "/Users/davidg/ONENW/plonedev-4.0/src/plone.app.upgrade/plone/app/upgrade/v30/alphas.py", line 339, in convertLegacyPortlets
    convert_legacy_portlets(portal)
  File "/Users/davidg/ONENW/plonedev-4.0/src/plone.app.portlets/plone/app/portlets/utils.py", line 110, in convert_legacy_portlets
    leftAssignable[leftChooser.chooseName(None, newPortlet)] = newPortlet
  File "/Users/davidg/ONENW/plonedev-4.0/src/plone.app.portlets/plone/app/portlets/storage.py", line 134, in chooseName
    name = getattr(object, 'title', None)
  File "/Users/davidg/.buildout/eggs/ZODB3-3.9.4-py2.6-macosx-10.6-i386.egg/ZODB/Connection.py", line 835, in setstate
    raise ConnectionStateError(msg)
ConnectionStateError: Shouldn't load state for 0x177966bb13f7a09b when the connection is closed