Hello. I think the "Disconnected" problem is the websocket connection problem.
The *"zeppelin.ssl.keystore.path"* should be under "~/$ZEPPELIN_HOME/conf/" path. If it's still not working, can you send the zeppelin log files that is under the "~/$ZEPPELIN_HOME/logs" ? Thanks. 2016-04-05 0:05 GMT+09:00 Oren Shani <osh...@iucc.ac.il>: > Hi, > > > > Nginx should be configured OK now, but still disconnected. > > > > Could it be something else? For example, did I have to install Spark > and/or Hadoop? > > > > Oren > > > > *From:* astros...@gmail.com [mailto:astros...@gmail.com] *On Behalf Of *Hyung > Sung Shim > *Sent:* Monday, April 4, 2016 5:17 PM > > *To:* users@zeppelin.incubator.apache.org > *Subject:* Re: Zeppelin 0.5.6 Disconnected > > > > hi. > > You could refer to https://github.com/apache/incubator-zeppelin/pull/814. > > I just tested on Ubuntu 14.04.3 and it's working well. > > Thanks. > > > > > > 2016-04-04 21:08 GMT+09:00 Oren Shani <osh...@iucc.ac.il>: > > Sung Shim, > > > > > > I wasn't sure what http://backend and http://backendWS should refer to > so I defined both as upstream to localhost:8080 > > > > Also when I defined the following: > > > > proxy_set_header X-Real-IP $proxy_protocol_addr; > > proxy_set_header X-Forwarded-For $proxy_protocol_addr; > > > > > > Nginx complained that it doesn't know the variable proxy_protocol_addr so > I omitted these lines. > > > > So now I have the attached nginx config but it doesn't seem to help – > Zeppelin is still disconnected > > > > Thanks for your help, > > > > Oren > > > > > > > > > > *From:* astros...@gmail.com [mailto:astros...@gmail.com] *On Behalf Of *Hyung > Sung Shim > *Sent:* Monday, April 4, 2016 2:03 PM > *To:* users@zeppelin.incubator.apache.org > *Subject:* Re: Zeppelin 0.5.6 Disconnected > > > > Hello. > > Since 0.5.5, Zeppelin uses single port for REST and websocket. > > so Could you try to use same port like follow Nginx configuration? > > > > server { > > listen 80 ; > > server_name _; > > > > location / { > > proxy_set_header Host $host; > > proxy_set_header X-Real-IP $proxy_protocol_addr; > > proxy_set_header X-Forwarded-For $proxy_protocol_addr; > > > > proxy_pass http://backend; > > } > > > > location /ws { > > proxy_http_version 1.1; > > proxy_set_header Upgrade $http_upgrade; > > proxy_set_header Connection "upgrade"; > > > > proxy_set_header X-Real-IP $remote_addr; > > proxy_pass http://backendWS <http://backendws/>; > > } > > } > > > > I am fixing the documentation. > > Thanks. > > > > > > 2016-04-04 17:24 GMT+09:00 Oren Shani <osh...@iucc.ac.il>: > > Hello, > > > > I installed Zeppelin 0.5.6 on Ubuntu server 14.04, behind Nginx. Zeppelin > comes up but shows "Disconnected" in the top right corner. > > > > I found several references to a similar problem on the web and most of > them suggest that the problem has to do with access to Zeppelin's winsock > port (8081). > > > > The thing is that Zeppelin on my server does not listen on 8081 but only > on 8080. Also I ran pcap on both the server side and my PC's side and never > saw an attempt to access port 8081 . > > > > So could it be something else? Maybe I am missing something in my config > files? > > > > You can see my zeppelin-site.xml and the relevant lines from my nginx > config files attached. > > > > Many thanks, > > > > Oren > > > > > > > > >