I have a 2 node configuration. I tried 127.0.0.1, internal IP, and hostname. Same results as @John Code. I did add spark through Ambari. Not sure what other configuration it might be missing. No matter what I do: 16/07/27 14:30:30 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1. 16/07/27 14:30:30 ERROR SparkContext: Error initializing SparkContext. java.net.BindException: Cannot assign requested address: Service 'sparkDriver' failed after 16 retries! ... View more

Did you ever figure out what they meant by this? I'm not sure how to configure this aspect. ... View more