[ZCM] [ZC] 1975/ 2 Edit "ValueError: already have current data for oid"

Issue #1975 Update (Edit) "ValueError: already have current data for oid"
 Status Pending, Zope/bug medium
To followup, visit:
  http://www.zope.org/Collectors/Zope/1975

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= Edit - Entry #2 by chrisw on Jun 24, 2007 10:19 am

 Changes: submitter email, revised version_info, new comment

Adding information from latest occurence.
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= Request - Entry #1 by chrisw on Dec 15, 2005 12:16 pm

This is a bonus one, seems to happen only under very high load, and even then pretty rarely...

  File "lib/python/Products/Transience/Transience.py
", line 297, in _move_item
    abucket = self._data.get(ts, None) # XXX ReadConflictError hotspot
  File "lib/python/ZODB/Connection.py", line
704, in setstate
    self._setstate(obj)
  File "lib/python/ZODB/Connection.py", line
742, in _setstate
    p, serial = self._storage.load(obj._p_oid, self._version)
  File "lib/python/ZEO/ClientStorage.py",
line 746, in load
    return self.loadEx(oid, version)[:2]
  File "lib/python/ZEO/ClientStorage.py",
line 774, in loadEx
    self._cache.store(oid, ver, tid, None, data)
  File "lib/python/ZEO/cache.py", line 279,
in store
    raise ValueError(

ValueError: already have current data for oid

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