Hi shwan I'm in Nagoya and thank you for your follow. I could fix this problem by using following post
http://groups.google.com/group/google-appengine-java/browse_thread/thread/df660675d21c64f0/725edfd2ecb0d188?lnk=gst&q=1.2.6#725edfd2ecb0d188 The Last Larry Cable's Post is the one to fix this problem. Thanks Larry I updated by using Eclipse Help => Software Update function. usually this is OK but this time Eclipse VM configuration is not changed automatically not sure why. -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@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.