It is actually ConcurrentModificationException. If you add tasks to task queue inside transaction and there are one or two tasks that add also tasks (in same time or in 1 sek window) to task queue inside transaction, there is very big chance that you will get ConcurrentModificationException.
-- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
