Hello, after importing a product from zope 2.6.4 to a 2.10.3 instance, trying to open the product produces quite a lot of errors in my event.log, and a traceback in the zope management interface. I found a lot of mails regarding plone upgrades which report a similar RuntimeError. What exactly does this mean? this is what i get in event.log: ------ 2007-07-12T00:47:24 ERROR ZODB.Connection Couldn't load state for 0x0aa5 Traceback (most recent call last): File "/usr/lib/zope2.10/lib/python/ZODB/Connection.py", line 749, in setstate self._setstate(obj) File "/usr/lib/zope2.10/lib/python/ZODB/Connection.py", line 807, in _setstate self._reader.setGhostState(obj, p) File "/usr/lib/zope2.10/lib/python/ZODB/serialize.py", line 604, in setGhostState state = self.getState(pickle) File "/usr/lib/zope2.10/lib/python/ZODB/serialize.py", line 597, in getState return unpickler.load() File "/usr/lib/zope2.10/lib/python/ZODB/serialize.py", line 471, in _persistent_load return self.load_oid(reference) File "/usr/lib/zope2.10/lib/python/ZODB/serialize.py", line 537, in load_oid return self._conn.get(oid) File "/usr/lib/zope2.10/lib/python/ZODB/Connection.py", line 208, in get obj._p_jar = self File "/usr/lib/zope2.10/lib/python/ZClasses/_pmc.py", line 65, in __setattr__ super(ZClassPersistentMetaClass, self).__setattr__(name, v) File "/usr/lib/zope2.10/lib/python/ZODB/persistentclass.py", line 84, in __set__ jar.setstate(inst) File "/usr/lib/zope2.10/lib/python/ZODB/Connection.py", line 754, in setstate exc_info=sys.exc_info()) File "logging/__init__.py", line 999, in error File "logging/__init__.py", line 1078, in _log File "logging/__init__.py", line 1064, in makeRecord File "logging/__init__.py", line 246, in __init__ def setupConfiguredLoggers(self): File "threading.py", line 677, in currentThread return _DummyThread() RuntimeError: maximum recursion depth exceeded ------ [ hundredthousands of lines with similar tracebacks, which become longer and longer ] ------ 2007-07-12T00:47:26 ERROR Zope.SiteErrorLog https://sandbox.kicms.de/Control_Panel/Products/BasicCMS/manage_main Traceback (innermost last): Module ZPublisher.Publish, line 119, in publish Module ZPublisher.mapply, line 88, in mapply Module ZPublisher.Publish, line 42, in call_object Module Shared.DC.Scripts.Bindings, line 313, in __call__ Module Shared.DC.Scripts.Bindings, line 350, in _bindAndExec Module App.special_dtml, line 178, in _exec Module DocumentTemplate.DT_Let, line 76, in render Module DocumentTemplate.DT_In, line 643, in renderwob Module DocumentTemplate.DT_In, line 771, in sort_sequence Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate Module ZODB.serialize, line 604, in setGhostState Module ZODB.serialize, line 597, in getState Module ZODB.serialize, line 471, in _persistent_load Module ZODB.serialize, line 537, in load_oid Module ZODB.Connection, line 208, in get Module ZClasses._pmc, line 65, in __setattr__ Module ZODB.persistentclass, line 84, in __set__ Module ZODB.Connection, line 749, in setstate Module ZODB.Connection, line 807, in _setstate RuntimeError: maximum recursion depth exceeded greetings, jonas -- "In post-historical society, the rulers have ceased to rule, but the slaves remain slaves." - Perry Anderson