All functional tests relying on the CPSTestCase.CPSDefaultLayer ends with the following error message:
Set up Products.CPSDefault.tests.CPSTestCase.CPSDefaultLayer <SubscriberDef at /portal/portal_eventservice/event_recorder>
Traceback (most recent call last):
File "/usr/local/zope/2.9.7/bin/test.py", line 117, in ?
sys.exit(testrunner.run(defaults))
File "/usr/local/zope/2.9.7/lib/python/zope/testing/testrunner.py", line 271, in run
failed = not run_with_options(options)
File "/usr/local/zope/2.9.7/lib/python/zope/testing/testrunner.py", line 433, in run_with_options
setup_layers, failures, errors)
File "/usr/local/zope/2.9.7/lib/python/zope/testing/testrunner.py", line 604, in run_layer
setup_layer(layer, setup_layers)
File "/usr/local/zope/2.9.7/lib/python/zope/testing/testrunner.py", line 692, in setup_layer
layer.setUp()
File "/usr/local/zope/instance/cps/Products/CPSDefault/tests/CPSTestCase.py", line 152, in setUp
self.install()
File "/usr/local/zope/instance/cps/Products/CPSDefault/tests/CPSTestCase.py", line 178, in install
transaction.commit()
File "/usr/local/zope/2.9.7/lib/python/transaction/_manager.py", line 96, in commit
return self.get().commit(sub, deprecation_wng=False)
File "/usr/local/zope/instance/cps/Products/CPSCompat/PatchZODBTransaction.py", line 175, in commit
self._commitResources()
File "/usr/local/zope/2.9.7/lib/python/transaction/_transaction.py", line 433, in _commitResources
rm.commit(self)
File "/usr/local/zope/2.9.7/lib/python/ZODB/Connection.py", line 484, in commit
self._commit(transaction)
File "/usr/local/zope/2.9.7/lib/python/ZODB/Connection.py", line 526, in _commit
self._store_objects(ObjectWriter(obj), transaction)
File "/usr/local/zope/2.9.7/lib/python/ZODB/Connection.py", line 553, in _store_objects
p = writer.serialize(obj) # This calls __getstate__ of obj
File "/usr/local/zope/2.9.7/lib/python/ZODB/serialize.py", line 412, in serialize
return self._dump(meta, obj.__getstate__())
TypeError: Can't pickle objects in acquisition wrappers.
What is strange is that it does not happen on all machines and seems to only happen on faster machines.