Fix for collector #1403.

lib/python/Products/Transience/Transience.py

@@ -717,10 +717,10 @@ class TransientObjectContainer(SimpleItem):
                 method = self.unrestrictedTraverse(callback)
             except (KeyError, AttributeError):
                 path = self.getPhysicalPath()
-                err = 'No such method %s in %s %s'
+                err = 'No such onAdd/onDelete method %s referenced via %s'
                 LOG('Transience',
                     WARNING,
-                    err % (callback, '/'.join(path), name),
+                    err % (callback, '/'.join(path)),
                     error=sys.exc_info()
                     )
                 return

lib/python/Products/Transience/tests/testTimeoutRelated.py

@@ -117,6 +117,10 @@ class TestNotifications(TestBase):
         self.assertEqual(type(k), type(now))
         self.assert_(k <= now)
 
+    def testMissingCallbackGetCallbackReturnsNone(self):
+        # in response to http://zope.org/Collectors/Zope/1403
+        self.assertEqual(None, self.app.sm._getCallback('/foo/bar/baz'))
+
 def addNotificationTarget(item, context):
     item['starttime'] = fauxtime.time()