It's working fine now !! Thanks a lot But I don't know how it was working before even a shutdown and restarted the cluster many times but didn't face this issue before, any suggestion ?? ... View more

I can see the property but not able to change it. Once you will change the port and try to start to Knox it will automatic change the port to the default port (8443) in the configuration file (gateway-site.xml). ... View more

When you will add some security services to your cluster like knox and ranger (In my case it was Knox) it will change the NameNode directory which create the problem. So revert it back to original will solve the problem. Thanks Pankaj !! ... View more