It may happen that the version of spark-ec2 script you are using is buggy or sometime AWS have problem provisioning machines. On Aug 21, 2015 7:56 AM, "Garry Chen" <g...@cornell.edu> wrote:
> Hi All, > > I am trying to lunch a spark ec2 cluster by running > spark-ec2 --key-pair=key --identity-file=my.pem --vpc-id=myvpc > --subnet-id=subnet-011 --spark-version=1.4.1 launch spark-cluster but > getting following message endless. Please help. > > > > > > Warning: SSH connection error. (This could be temporary.) > > Host: > > SSH return code: 255 > > SSH output: ssh: Could not resolve hostname : Name or service not known >
