Hi,

Which version of Zeppelin are you trying?
Since 0.5.5, Zeppelin uses single port for REST and websocket. [1]

Thanks,
moon

[1] https://issues.apache.org/jira/browse/ZEPPELIN-172

On Wed, Mar 23, 2016 at 5:41 PM Max Bridgewater <max.bridgewa...@gmail.com>
wrote:

> Hi Folks,
>
> I am very new to Zeppelin so please bear with me. I launched Zeppelin
> locally in my virtualbox and all seems to work great. One thing that
> puzzles me is how the web socket port is assigned.
>
> I know the default port is 8080 and I read here and there that the web
> socket port is HTTP port +1.
> So, in my case, it should be 8080+1=8081.
>
> However, when I run Zeppelin and telnet on 8081, I get:
>
> Trying 127.0.0.1...
> telnet: Unable to connect to remote host: Connection refused
>
>
> But when I telnet on port 8080, I get:
>
> Trying 127.0.0.1...
> Connected to localhost.
> Escape character is '^]'.
>
>
> What am I missing. Why can't I telnet to 8081? Also, where do I configure
> this port if I don't want the default one?
>
> Thanks,
> Max.
>

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