i had this problem too.... brought me near to a heart atack that nothing i did changed anything, cause i thought it would be more likly that i´m making a very stupid mistake.....
let your code run locally on the dev server, before you upload it. that solved this problem for me (run as... in eclipse) -- 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/-/XjKQy1RY8poJ. 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.
