On 24 Oct 2015, at 00:46, Lin Zhao <l...@exabeam.com<mailto:l...@exabeam.com>> 
wrote:

I have a spark on YARN deployed using Cloudera Manager 5.4. The installation 
went smoothly. But when I try to run spark-shell I get a long list of 
exceptions saying "failed to bind to: /public_ip_of_host:0" and "Service 
'sparkDriver' could not bind on port 0. Attempting port 1.".

Any idea why spark-shell tries to bind to port 0 and 1? And it doesn't seem 
right to trying to bind to the public ip of the host. I tried "nc -l" on the 
host and it won't work.



"0" means any free port. If a service cannot bind to port 0, you are in 
trouble, Usually with the IP address being wrong

https://wiki.apache.org/hadoop/UnsetHostnameOrPort

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