Now I was able to solve this topic. The problem were the mylyn updates. After I disabled the mylyn update site under "Preferences- >Install/Update/Available Update Sites" the updates for the app engine plugin and the GWT plugin were successful.
Thanks for your support and happy Xmas from Germany! Delo -- 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.
