Since some days ago we are experiencing some similar problem when accessing JDO detached objects. We are using two different backends, and task queues, so I suspect there could be some problem related to multithread/multiinstance with Datastore.
One question, Mike, are you using backends? -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine-java/-/Z_5p-DT4KnAJ. To post to this group, send email to google-appengine-java@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.