That's the Master, whose default port is 8080 (not 4040). The default
port for the app's UI is 4040.

On Mon, Jan 23, 2017 at 11:47 AM, kant kodali <kanth...@gmail.com> wrote:
> I am not sure why Spark web UI keeps changing its port every time I restart
> a cluster? how can I make it run always on one port? I did make sure there
> is no process running on 4040(spark default web ui port) however it still
> starts at 8080. any ideas?
>
>
> MasterWebUI: Bound MasterWebUI to 0.0.0.0, and started at
> http://x.x.x.x:8080
>
>
> Thanks!



-- 
Marcelo

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