Hi, Since 0.9.0 spark-ec2 has gone unstable. During launch it throws many errors like:
ssh: connect to host ec-xx-xx-xx-xx.compute-1.amazonaws.com port 22: Connection refused Error 255 while executing remote command, retrying after 30 seconds .. and recently, it prompts for passwords!: Warning: Permanently added '' (RSA) to the list of known hosts. Password: Note that the hostname in Permanently added '' is missing in the log, which is probably why it asks for a password. Is this a known bug?
