[one-users] Cannot contact server: is it running and reachable?

[Daniel Molina]

On 12 August 2013 09:26, <kenneth at apolloglobal.net> wrote:

> **
>
> Hi,
>
> Thanks for the reply.
>
> * [sunstone-oned] Is the connection between sunstone-server and oned fast?
>
> - The sunstone server and oned is on the same physical server. I'm no
> longer using the KVM sandbox. The front end have a dedicated machine.
> * [sunstone] Check if the nokogiri gem is installed in the physical
> machine where sunstone-server is running, if it's not installed rexml will
> be used by default (a bit slower)
> - I ran install_gems and everything went was installed except for the
> nokogiri. Here is the error. Any way to fix this?
> rake="/usr/bin/rake" gem install --no-ri --no-rdoc nokogiri
> ERROR:  Error installing nokogiri:
> nokogiri requires Ruby version >= 1.9.2.
> Error executing rake="/usr/bin/rake" gem install --no-ri --no-rdoc nokogiri
>
> * [sunstone] Using ruby 1.9 instead of 1.8
> - I'm running ubuntu and tried this. Notification Error is still showing.
>


What ruby version are you using?
Do you get the same message installing it manually?
sudo gem install --no-ri --no-rdoc nokogiri


>
>
>
> On 08/12/2013 03:16 PM, Daniel Molina wrote:
>
> Hi,
>
>
> On 12 August 2013 07:52, <kenneth at apolloglobal.net> wrote:
>
>>  Hi all,
>>
>> I just installed OpenNebula a few days ago. It is running fine, but every
>> minute or so this message appears on the lower right of the OpenNebula
>> webmin page. It is a notification bubble. It also appears when I used the
>> KVM sandbox from the opennebula website. Now that the front end is in a
>> seperate physical machine, the notification still appears.
>>
>> "Error
>>
>> Cannot contact server: is it running and reachable?"
>>
>>
>> Although the notification appears, all features (as far as my testing go)
>> are working as expected. No errors yet.
>> Should be alarmed of this message? Is there a way to remove this
>> notification. I don't want my boss to see this notification when the
>> cluster is in production environment.
>>
>
> This error appears when the browser cannot contact the sunstone-server or
> the request takes more than expected and the timeout is reached. To improve
> the response time:
>     * [sunstone-oned] Is the connection between sunstone-server and oned
> fast?
>     * [sunstone] Check if the nokogiri gem is installed in the physical
> machine where sunstone-server is running, if it's not installed rexml will
> be used by default (a bit slower)
>     * [sunstone] Using ruby 1.9 instead of 1.8
>     * [sunstone] By default sunstone-server runs using the thin server, in
> a production environment it's recommended to use passenger + apache/nginx
> instead. [1]
>     * [oned] Use mysql instead of sqlite as oned backend. [2]
>
> Hope this helps
>
> [1]
> http://opennebula.org/documentation:rel4.2:suns_advance#running_sunstone_inside_another_webserver
> [2] http://opennebula.org/documentation:rel4.2:mysql
>
>
>>
>>
>> Thanks!
>> -kenneth
>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at lists.opennebula.org
>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>
>>
>
>
> --
>  Join us at OpenNebulaConf2013 <http://opennebulaconf.com/> in Berlin,
> 24-26 September, 2013
> --
> Daniel Molina
> Project Engineer
> OpenNebula - The Open Source Solution for Data Center Virtualization
> www.OpenNebula.org | dmolina at opennebula.org | @OpenNebula
>
>
>



-- 
Join us at OpenNebulaConf2013 <http://opennebulaconf.com/> in Berlin, 24-26
September, 2013
--
Daniel Molina
Project Engineer
OpenNebula - The Open Source Solution for Data Center Virtualization
www.OpenNebula.org | dmolina at opennebula.org | @OpenNebula
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