I was using 1.2.1 version of google api client library and I updated it to 1.2.2. Its working well with 1.4.0 but now I'm getting a different error for 1.4.2. :)
-- 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.
