GCM demo server sending message to device raises 401 error

Question

As many other newbies to java and android i\'m trying to run gcm demo server and gcm demo client on windows, using eclipse to run vertual device and tomcat as a webserer.

Answer 1

I just answered a similar question - accessing /gcm-demo/sendAll. Reason: HTTP Status Code: 401

Check the sender API key that you are using.