App Engine: The private key you've selected does not appear to be valid

Question

I\'m trying to add a new SSL certificate to my Google App Engine account, but after following all the steps in the manual I kept getting this error uploading the Unencrypted PEM

Answer 1

Ok, SSL configuration continues to be like trying to bathe a black cat in a dark room. Here's the answer that worked for me: Trouble with Google Apps Custom Domain SSL