Solution is simple : you HAVE to persist the object with the SAME pm instance you used to FETCH the object from the datastore. I did not read your code, but the error warning tells you that you probably used 2 different pm (in 2 different methods ?).
-- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appeng...@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
