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Posted to users@zeppelin.apache.org by 魏龙星 <wl...@gmail.com> on 2016/01/12 10:50:33 UTC
zeepelin disconnected
I downloaded zeppelin binary package and started it. However it's
disconnected. Here is the log:
INFO [2016-01-12 14:37:56,592] ({main}
QuartzScheduler.java[initialize]:305) - Scheduler meta-data: Quartz
Scheduler (v2.2.1) 'Defau
ltQuartzScheduler' with instanceId 'NON_CLUSTERED'
Scheduler class: 'org.quartz.core.QuartzScheduler' - running locally.
NOT STARTED.
Currently in standby mode.
Number of jobs executed: 0
Using thread pool 'org.quartz.simpl.SimpleThreadPool' - with 10 threads.
Using job-store 'org.quartz.simpl.RAMJobStore' - which does not
support persistence. and is not clustered.
INFO [2016-01-12 14:37:56,593] ({main}
StdSchedulerFactory.java[instantiate]:1339) - Quartz scheduler
'DefaultQuartzScheduler' initi
alized from default resource file in Quartz package: 'quartz.properties'
INFO [2016-01-12 14:37:56,593] ({main}
StdSchedulerFactory.java[instantiate]:1343) - Quartz scheduler
version: 2.2.1
INFO [2016-01-12 14:37:56,593] ({main}
QuartzScheduler.java[start]:575) - Scheduler
DefaultQuartzScheduler_$_NON_CLUSTERED started.
INFO [2016-01-12 14:37:56,805] ({main}
ServerImpl.java[initDestination]:94) - Setting the server's publish
address to be /
INFO [2016-01-12 14:37:56,888] ({main}
WebInfConfiguration.java[unpack]:478) - Extract
jar:file:/data/users/huser/zeppelin/zeppelin-
web-0.5.5-incubating.war!/ to
/tmp/jetty-0.0.0.0-8080-zeppelin-web-0.5.5-incubating.war-_-any-/webapp
INFO [2016-01-12 14:37:57,040] ({main}
StandardDescriptorProcessor.java[visitServlet]:284) - NO JSP Support
for /, did not find org.
apache.jasper.servlet.JspServlet
INFO [2016-01-12 14:37:57,941] ({main}
AbstractConnector.java[doStart]:338) - Started
SelectChannelConnector@0.0.0.0:8080
INFO [2016-01-12 14:37:57,941] ({main} ZeppelinServer.java[main]:108)
- Started zeppelin server
I searched and found that port+1 is the websocket port. However, it's not
listening:
netstat -na | grep 8080
tcp 0 0 :::8080 :::* LISTEN
netstat -na | grep 8081
noting...
And the web return the error:
*WebSocket connection to 'ws://ip:8080/ws' failed: Establishing a tunnel
via proxy server failed.*
I think this means *the http port and websocket port use the same port*.
How can I change it?
Can anyone help? Thanks.
Re: zeepelin disconnected
Posted by Skanda <sk...@gmail.com>.
Hi
I had the same problem but I was using AWS ELB which doesn't support
websockets. As previously mentioned Zeppelin does NOT use a separate port
for websockets. Pls give more information about your setup.
Regards,
Skanda
On Tue, Jan 12, 2016 at 3:37 PM, Corneau Damien <co...@gmail.com>
wrote:
> Hi,
>
> Could you give us more information about your setup?
>
> Also, the websocket does not use a different port anymore. (only one which
> by default is 8080)
> You can always try using another port by changing your configuration (
> https://github.com/apache/incubator-zeppelin#configure)
>
>
> On Tue, Jan 12, 2016 at 6:59 PM, 魏龙星 <wl...@gmail.com> wrote:
>
>> I googled and found that there are two ports in logs, however I got only
>> I in the log. How?
>>
>> 魏龙星 <wl...@gmail.com>于2016年1月12日周二 下午5:50写道：
>>
>>> I downloaded zeppelin binary package and started it. However it's
>>> disconnected. Here is the log:
>>>
>>> INFO [2016-01-12 14:37:56,592] ({main} QuartzScheduler.java[initialize]:305) - Scheduler meta-data: Quartz Scheduler (v2.2.1) 'Defau
>>> ltQuartzScheduler' with instanceId 'NON_CLUSTERED'
>>> Scheduler class: 'org.quartz.core.QuartzScheduler' - running locally.
>>> NOT STARTED.
>>> Currently in standby mode.
>>> Number of jobs executed: 0
>>> Using thread pool 'org.quartz.simpl.SimpleThreadPool' - with 10 threads.
>>> Using job-store 'org.quartz.simpl.RAMJobStore' - which does not support persistence. and is not clustered.
>>>
>>> INFO [2016-01-12 14:37:56,593] ({main} StdSchedulerFactory.java[instantiate]:1339) - Quartz scheduler 'DefaultQuartzScheduler' initi
>>> alized from default resource file in Quartz package: 'quartz.properties'
>>> INFO [2016-01-12 14:37:56,593] ({main} StdSchedulerFactory.java[instantiate]:1343) - Quartz scheduler version: 2.2.1
>>> INFO [2016-01-12 14:37:56,593] ({main} QuartzScheduler.java[start]:575) - Scheduler DefaultQuartzScheduler_$_NON_CLUSTERED started.
>>> INFO [2016-01-12 14:37:56,805] ({main} ServerImpl.java[initDestination]:94) - Setting the server's publish address to be /
>>> INFO [2016-01-12 14:37:56,888] ({main} WebInfConfiguration.java[unpack]:478) - Extract jar:file:/data/users/huser/zeppelin/zeppelin-
>>> web-0.5.5-incubating.war!/ to /tmp/jetty-0.0.0.0-8080-zeppelin-web-0.5.5-incubating.war-_-any-/webapp
>>> INFO [2016-01-12 14:37:57,040] ({main} StandardDescriptorProcessor.java[visitServlet]:284) - NO JSP Support for /, did not find org.
>>> apache.jasper.servlet.JspServlet
>>> INFO [2016-01-12 14:37:57,941] ({main} AbstractConnector.java[doStart]:338) - Started SelectChannelConnector@0.0.0.0:8080
>>> INFO [2016-01-12 14:37:57,941] ({main} ZeppelinServer.java[main]:108) - Started zeppelin server
>>>
>>> I searched and found that port+1 is the websocket port. However, it's
>>> not listening:
>>> netstat -na | grep 8080
>>>
>>> tcp 0 0 :::8080 :::* LISTEN
>>> netstat -na | grep 8081
>>>
>>> noting...
>>>
>>> And the web return the error:
>>>
>>> *WebSocket connection to 'ws://ip:8080/ws' failed: Establishing a tunnel
>>> via proxy server failed.*
>>>
>>> I think this means *the http port and websocket port use the same port*.
>>> How can I change it?
>>>
>>> Can anyone help? Thanks.
>>>
>>>
>>>
>>>
>
Re: zeepelin disconnected
Posted by Skanda <sk...@gmail.com>.
You have to run the test in the same environment from where you are seeing
the websocket connection issue.
On Tue, Jan 12, 2016 at 10:49 PM, Skanda <sk...@gmail.com> wrote:
> Hi
>
> Can you run websocket tests using the below site and let me know the
> results?
>
> http://www.websocket.org/echo.html
>
> Click on connect and let me know if you get any errors?
>
> -Skanda
>
> On Tue, Jan 12, 2016 at 3:45 PM, 魏龙星 <wl...@gmail.com> wrote:
>
>> I downloaded the binary package and didn't change anything.
>> I tried to change the port and get the same error.
>>
>> Any suggestion?
>>
>> Corneau Damien <co...@gmail.com>于2016年1月12日周二 下午6:07写道：
>>
>>> Hi,
>>>
>>> Could you give us more information about your setup?
>>>
>>> Also, the websocket does not use a different port anymore. (only one
>>> which by default is 8080)
>>> You can always try using another port by changing your configuration (
>>> https://github.com/apache/incubator-zeppelin#configure)
>>>
>>>
>>> On Tue, Jan 12, 2016 at 6:59 PM, 魏龙星 <wl...@gmail.com> wrote:
>>>
>>>> I googled and found that there are two ports in logs, however I got
>>>> only I in the log. How?
>>>>
>>>> 魏龙星 <wl...@gmail.com>于2016年1月12日周二 下午5:50写道：
>>>>
>>>>> I downloaded zeppelin binary package and started it. However it's
>>>>> disconnected. Here is the log:
>>>>>
>>>>> INFO [2016-01-12 14:37:56,592] ({main} QuartzScheduler.java[initialize]:305) - Scheduler meta-data: Quartz Scheduler (v2.2.1) 'Defau
>>>>> ltQuartzScheduler' with instanceId 'NON_CLUSTERED'
>>>>> Scheduler class: 'org.quartz.core.QuartzScheduler' - running locally.
>>>>> NOT STARTED.
>>>>> Currently in standby mode.
>>>>> Number of jobs executed: 0
>>>>> Using thread pool 'org.quartz.simpl.SimpleThreadPool' - with 10 threads.
>>>>> Using job-store 'org.quartz.simpl.RAMJobStore' - which does not support persistence. and is not clustered.
>>>>>
>>>>> INFO [2016-01-12 14:37:56,593] ({main} StdSchedulerFactory.java[instantiate]:1339) - Quartz scheduler 'DefaultQuartzScheduler' initi
>>>>> alized from default resource file in Quartz package: 'quartz.properties'
>>>>> INFO [2016-01-12 14:37:56,593] ({main} StdSchedulerFactory.java[instantiate]:1343) - Quartz scheduler version: 2.2.1
>>>>> INFO [2016-01-12 14:37:56,593] ({main} QuartzScheduler.java[start]:575) - Scheduler DefaultQuartzScheduler_$_NON_CLUSTERED started.
>>>>> INFO [2016-01-12 14:37:56,805] ({main} ServerImpl.java[initDestination]:94) - Setting the server's publish address to be /
>>>>> INFO [2016-01-12 14:37:56,888] ({main} WebInfConfiguration.java[unpack]:478) - Extract jar:file:/data/users/huser/zeppelin/zeppelin-
>>>>> web-0.5.5-incubating.war!/ to /tmp/jetty-0.0.0.0-8080-zeppelin-web-0.5.5-incubating.war-_-any-/webapp
>>>>> INFO [2016-01-12 14:37:57,040] ({main} StandardDescriptorProcessor.java[visitServlet]:284) - NO JSP Support for /, did not find org.
>>>>> apache.jasper.servlet.JspServlet
>>>>> INFO [2016-01-12 14:37:57,941] ({main} AbstractConnector.java[doStart]:338) - Started SelectChannelConnector@0.0.0.0:8080
>>>>> INFO [2016-01-12 14:37:57,941] ({main} ZeppelinServer.java[main]:108) - Started zeppelin server
>>>>>
>>>>> I searched and found that port+1 is the websocket port. However, it's
>>>>> not listening:
>>>>> netstat -na | grep 8080
>>>>>
>>>>> tcp 0 0 :::8080 :::* LISTEN
>>>>> netstat -na | grep 8081
>>>>>
>>>>> noting...
>>>>>
>>>>> And the web return the error:
>>>>>
>>>>> *WebSocket connection to 'ws://ip:8080/ws' failed: Establishing a
>>>>> tunnel via proxy server failed.*
>>>>>
>>>>> I think this means *the http port and websocket port use the same
>>>>> port*. How can I change it?
>>>>>
>>>>> Can anyone help? Thanks.
>>>>>
>>>>>
>>>>>
>>>>>
>>>
>
Re: zeepelin disconnected
Posted by Skanda <sk...@gmail.com>.
Hi
Can you run websocket tests using the below site and let me know the
results?
http://www.websocket.org/echo.html
Click on connect and let me know if you get any errors?
-Skanda
On Tue, Jan 12, 2016 at 3:45 PM, 魏龙星 <wl...@gmail.com> wrote:
> I downloaded the binary package and didn't change anything.
> I tried to change the port and get the same error.
>
> Any suggestion?
>
> Corneau Damien <co...@gmail.com>于2016年1月12日周二 下午6:07写道：
>
>> Hi,
>>
>> Could you give us more information about your setup?
>>
>> Also, the websocket does not use a different port anymore. (only one
>> which by default is 8080)
>> You can always try using another port by changing your configuration (
>> https://github.com/apache/incubator-zeppelin#configure)
>>
>>
>> On Tue, Jan 12, 2016 at 6:59 PM, 魏龙星 <wl...@gmail.com> wrote:
>>
>>> I googled and found that there are two ports in logs, however I got only
>>> I in the log. How?
>>>
>>> 魏龙星 <wl...@gmail.com>于2016年1月12日周二 下午5:50写道：
>>>
>>>> I downloaded zeppelin binary package and started it. However it's
>>>> disconnected. Here is the log:
>>>>
>>>> INFO [2016-01-12 14:37:56,592] ({main} QuartzScheduler.java[initialize]:305) - Scheduler meta-data: Quartz Scheduler (v2.2.1) 'Defau
>>>> ltQuartzScheduler' with instanceId 'NON_CLUSTERED'
>>>> Scheduler class: 'org.quartz.core.QuartzScheduler' - running locally.
>>>> NOT STARTED.
>>>> Currently in standby mode.
>>>> Number of jobs executed: 0
>>>> Using thread pool 'org.quartz.simpl.SimpleThreadPool' - with 10 threads.
>>>> Using job-store 'org.quartz.simpl.RAMJobStore' - which does not support persistence. and is not clustered.
>>>>
>>>> INFO [2016-01-12 14:37:56,593] ({main} StdSchedulerFactory.java[instantiate]:1339) - Quartz scheduler 'DefaultQuartzScheduler' initi
>>>> alized from default resource file in Quartz package: 'quartz.properties'
>>>> INFO [2016-01-12 14:37:56,593] ({main} StdSchedulerFactory.java[instantiate]:1343) - Quartz scheduler version: 2.2.1
>>>> INFO [2016-01-12 14:37:56,593] ({main} QuartzScheduler.java[start]:575) - Scheduler DefaultQuartzScheduler_$_NON_CLUSTERED started.
>>>> INFO [2016-01-12 14:37:56,805] ({main} ServerImpl.java[initDestination]:94) - Setting the server's publish address to be /
>>>> INFO [2016-01-12 14:37:56,888] ({main} WebInfConfiguration.java[unpack]:478) - Extract jar:file:/data/users/huser/zeppelin/zeppelin-
>>>> web-0.5.5-incubating.war!/ to /tmp/jetty-0.0.0.0-8080-zeppelin-web-0.5.5-incubating.war-_-any-/webapp
>>>> INFO [2016-01-12 14:37:57,040] ({main} StandardDescriptorProcessor.java[visitServlet]:284) - NO JSP Support for /, did not find org.
>>>> apache.jasper.servlet.JspServlet
>>>> INFO [2016-01-12 14:37:57,941] ({main} AbstractConnector.java[doStart]:338) - Started SelectChannelConnector@0.0.0.0:8080
>>>> INFO [2016-01-12 14:37:57,941] ({main} ZeppelinServer.java[main]:108) - Started zeppelin server
>>>>
>>>> I searched and found that port+1 is the websocket port. However, it's
>>>> not listening:
>>>> netstat -na | grep 8080
>>>>
>>>> tcp 0 0 :::8080 :::* LISTEN
>>>> netstat -na | grep 8081
>>>>
>>>> noting...
>>>>
>>>> And the web return the error:
>>>>
>>>> *WebSocket connection to 'ws://ip:8080/ws' failed: Establishing a
>>>> tunnel via proxy server failed.*
>>>>
>>>> I think this means *the http port and websocket port use the same port*.
>>>> How can I change it?
>>>>
>>>> Can anyone help? Thanks.
>>>>
>>>>
>>>>
>>>>
>>
Re: zeepelin disconnected
Posted by 魏龙星 <wl...@gmail.com>.
I downloaded the binary package and didn't change anything.
I tried to change the port and get the same error.
Any suggestion?
Corneau Damien <co...@gmail.com>于2016年1月12日周二 下午6:07写道：
> Hi,
>
> Could you give us more information about your setup?
>
> Also, the websocket does not use a different port anymore. (only one which
> by default is 8080)
> You can always try using another port by changing your configuration (
> https://github.com/apache/incubator-zeppelin#configure)
>
>
> On Tue, Jan 12, 2016 at 6:59 PM, 魏龙星 <wl...@gmail.com> wrote:
>
>> I googled and found that there are two ports in logs, however I got only
>> I in the log. How?
>>
>> 魏龙星 <wl...@gmail.com>于2016年1月12日周二 下午5:50写道：
>>
>>> I downloaded zeppelin binary package and started it. However it's
>>> disconnected. Here is the log:
>>>
>>> INFO [2016-01-12 14:37:56,592] ({main} QuartzScheduler.java[initialize]:305) - Scheduler meta-data: Quartz Scheduler (v2.2.1) 'Defau
>>> ltQuartzScheduler' with instanceId 'NON_CLUSTERED'
>>> Scheduler class: 'org.quartz.core.QuartzScheduler' - running locally.
>>> NOT STARTED.
>>> Currently in standby mode.
>>> Number of jobs executed: 0
>>> Using thread pool 'org.quartz.simpl.SimpleThreadPool' - with 10 threads.
>>> Using job-store 'org.quartz.simpl.RAMJobStore' - which does not support persistence. and is not clustered.
>>>
>>> INFO [2016-01-12 14:37:56,593] ({main} StdSchedulerFactory.java[instantiate]:1339) - Quartz scheduler 'DefaultQuartzScheduler' initi
>>> alized from default resource file in Quartz package: 'quartz.properties'
>>> INFO [2016-01-12 14:37:56,593] ({main} StdSchedulerFactory.java[instantiate]:1343) - Quartz scheduler version: 2.2.1
>>> INFO [2016-01-12 14:37:56,593] ({main} QuartzScheduler.java[start]:575) - Scheduler DefaultQuartzScheduler_$_NON_CLUSTERED started.
>>> INFO [2016-01-12 14:37:56,805] ({main} ServerImpl.java[initDestination]:94) - Setting the server's publish address to be /
>>> INFO [2016-01-12 14:37:56,888] ({main} WebInfConfiguration.java[unpack]:478) - Extract jar:file:/data/users/huser/zeppelin/zeppelin-
>>> web-0.5.5-incubating.war!/ to /tmp/jetty-0.0.0.0-8080-zeppelin-web-0.5.5-incubating.war-_-any-/webapp
>>> INFO [2016-01-12 14:37:57,040] ({main} StandardDescriptorProcessor.java[visitServlet]:284) - NO JSP Support for /, did not find org.
>>> apache.jasper.servlet.JspServlet
>>> INFO [2016-01-12 14:37:57,941] ({main} AbstractConnector.java[doStart]:338) - Started SelectChannelConnector@0.0.0.0:8080
>>> INFO [2016-01-12 14:37:57,941] ({main} ZeppelinServer.java[main]:108) - Started zeppelin server
>>>
>>> I searched and found that port+1 is the websocket port. However, it's
>>> not listening:
>>> netstat -na | grep 8080
>>>
>>> tcp 0 0 :::8080 :::* LISTEN
>>> netstat -na | grep 8081
>>>
>>> noting...
>>>
>>> And the web return the error:
>>>
>>> *WebSocket connection to 'ws://ip:8080/ws' failed: Establishing a tunnel
>>> via proxy server failed.*
>>>
>>> I think this means *the http port and websocket port use the same port*.
>>> How can I change it?
>>>
>>> Can anyone help? Thanks.
>>>
>>>
>>>
>>>
>
Re: zeepelin disconnected
Posted by Corneau Damien <co...@gmail.com>.
Hi,
Could you give us more information about your setup?
Also, the websocket does not use a different port anymore. (only one which
by default is 8080)
You can always try using another port by changing your configuration (
https://github.com/apache/incubator-zeppelin#configure)
On Tue, Jan 12, 2016 at 6:59 PM, 魏龙星 <wl...@gmail.com> wrote:
> I googled and found that there are two ports in logs, however I got only I
> in the log. How?
>
> 魏龙星 <wl...@gmail.com>于2016年1月12日周二 下午5:50写道：
>
>> I downloaded zeppelin binary package and started it. However it's
>> disconnected. Here is the log:
>>
>> INFO [2016-01-12 14:37:56,592] ({main} QuartzScheduler.java[initialize]:305) - Scheduler meta-data: Quartz Scheduler (v2.2.1) 'Defau
>> ltQuartzScheduler' with instanceId 'NON_CLUSTERED'
>> Scheduler class: 'org.quartz.core.QuartzScheduler' - running locally.
>> NOT STARTED.
>> Currently in standby mode.
>> Number of jobs executed: 0
>> Using thread pool 'org.quartz.simpl.SimpleThreadPool' - with 10 threads.
>> Using job-store 'org.quartz.simpl.RAMJobStore' - which does not support persistence. and is not clustered.
>>
>> INFO [2016-01-12 14:37:56,593] ({main} StdSchedulerFactory.java[instantiate]:1339) - Quartz scheduler 'DefaultQuartzScheduler' initi
>> alized from default resource file in Quartz package: 'quartz.properties'
>> INFO [2016-01-12 14:37:56,593] ({main} StdSchedulerFactory.java[instantiate]:1343) - Quartz scheduler version: 2.2.1
>> INFO [2016-01-12 14:37:56,593] ({main} QuartzScheduler.java[start]:575) - Scheduler DefaultQuartzScheduler_$_NON_CLUSTERED started.
>> INFO [2016-01-12 14:37:56,805] ({main} ServerImpl.java[initDestination]:94) - Setting the server's publish address to be /
>> INFO [2016-01-12 14:37:56,888] ({main} WebInfConfiguration.java[unpack]:478) - Extract jar:file:/data/users/huser/zeppelin/zeppelin-
>> web-0.5.5-incubating.war!/ to /tmp/jetty-0.0.0.0-8080-zeppelin-web-0.5.5-incubating.war-_-any-/webapp
>> INFO [2016-01-12 14:37:57,040] ({main} StandardDescriptorProcessor.java[visitServlet]:284) - NO JSP Support for /, did not find org.
>> apache.jasper.servlet.JspServlet
>> INFO [2016-01-12 14:37:57,941] ({main} AbstractConnector.java[doStart]:338) - Started SelectChannelConnector@0.0.0.0:8080
>> INFO [2016-01-12 14:37:57,941] ({main} ZeppelinServer.java[main]:108) - Started zeppelin server
>>
>> I searched and found that port+1 is the websocket port. However, it's not
>> listening:
>> netstat -na | grep 8080
>>
>> tcp 0 0 :::8080 :::* LISTEN
>> netstat -na | grep 8081
>>
>> noting...
>>
>> And the web return the error:
>>
>> *WebSocket connection to 'ws://ip:8080/ws' failed: Establishing a tunnel
>> via proxy server failed.*
>>
>> I think this means *the http port and websocket port use the same port*.
>> How can I change it?
>>
>> Can anyone help? Thanks.
>>
>>
>>
>>
Re: zeepelin disconnected
Posted by 魏龙星 <wl...@gmail.com>.
I googled and found that there are two ports in logs, however I got only I
in the log. How?
魏龙星 <wl...@gmail.com>于2016年1月12日周二 下午5:50写道：
> I downloaded zeppelin binary package and started it. However it's
> disconnected. Here is the log:
>
> INFO [2016-01-12 14:37:56,592] ({main} QuartzScheduler.java[initialize]:305) - Scheduler meta-data: Quartz Scheduler (v2.2.1) 'Defau
> ltQuartzScheduler' with instanceId 'NON_CLUSTERED'
> Scheduler class: 'org.quartz.core.QuartzScheduler' - running locally.
> NOT STARTED.
> Currently in standby mode.
> Number of jobs executed: 0
> Using thread pool 'org.quartz.simpl.SimpleThreadPool' - with 10 threads.
> Using job-store 'org.quartz.simpl.RAMJobStore' - which does not support persistence. and is not clustered.
>
> INFO [2016-01-12 14:37:56,593] ({main} StdSchedulerFactory.java[instantiate]:1339) - Quartz scheduler 'DefaultQuartzScheduler' initi
> alized from default resource file in Quartz package: 'quartz.properties'
> INFO [2016-01-12 14:37:56,593] ({main} StdSchedulerFactory.java[instantiate]:1343) - Quartz scheduler version: 2.2.1
> INFO [2016-01-12 14:37:56,593] ({main} QuartzScheduler.java[start]:575) - Scheduler DefaultQuartzScheduler_$_NON_CLUSTERED started.
> INFO [2016-01-12 14:37:56,805] ({main} ServerImpl.java[initDestination]:94) - Setting the server's publish address to be /
> INFO [2016-01-12 14:37:56,888] ({main} WebInfConfiguration.java[unpack]:478) - Extract jar:file:/data/users/huser/zeppelin/zeppelin-
> web-0.5.5-incubating.war!/ to /tmp/jetty-0.0.0.0-8080-zeppelin-web-0.5.5-incubating.war-_-any-/webapp
> INFO [2016-01-12 14:37:57,040] ({main} StandardDescriptorProcessor.java[visitServlet]:284) - NO JSP Support for /, did not find org.
> apache.jasper.servlet.JspServlet
> INFO [2016-01-12 14:37:57,941] ({main} AbstractConnector.java[doStart]:338) - Started SelectChannelConnector@0.0.0.0:8080
> INFO [2016-01-12 14:37:57,941] ({main} ZeppelinServer.java[main]:108) - Started zeppelin server
>
> I searched and found that port+1 is the websocket port. However, it's not
> listening:
> netstat -na | grep 8080
>
> tcp 0 0 :::8080 :::* LISTEN
> netstat -na | grep 8081
>
> noting...
>
> And the web return the error:
>
> *WebSocket connection to 'ws://ip:8080/ws' failed: Establishing a tunnel
> via proxy server failed.*
>
> I think this means *the http port and websocket port use the same port*.
> How can I change it?
>
> Can anyone help? Thanks.
>
>
>
>