Cassandra won't start on EC2 Ubuntu instances
After following Datastax' community edition installation guide to the letter, I was unable to get Cassandra to start up on an i2.xlarge. There were no logs in /var/log/cassandra and editing init.d to try and see stdout came out with nothing. I tried running
And saw the following error:
Error: Exception thrown by the agent : java.net.MalformedURLException: Local host name unknown: java.net.UnknownHostException: ip-<removed>
So apparently that annoying issue with the hostname not being resolved (which is seen every time you run something with sudo) is causing the issue.
To /etc/hosts, add:
Where, obviously, you replace x-x-x-x with your private IP. This is obviously a hack and Amazon needs to fix this, but it doesn't seem like they're in a very big rush.