[Openstack] Dashboard VNC Console failed to connect to server

Michaël Van de Borne michael.vandeborne at cetic.be
Fri Mar 30 16:12:20 UTC 2012


Thank you.

I installed the package.

Now I've got this error when I paste the vnc url (which I got with nova 
get-vnc-console) in firefox:

Traceback (most recent call last):
   File "/usr/lib/python2.7/dist-packages/eventlet/wsgi.py", line 347, in handle_one_response
     for data in result:
TypeError: 'NoneType' object is not iterable

and the nova-xvpvncproxy.log looks like this:

2012-03-30 18:06:48 AUDIT nova.vnc.xvp_proxy [-] Request: GET /console?token=e77c1d12-c375-4b42-a165-f3d937bf2c41 HTTP/1.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encoding: gzip, deflate
Accept-Language: fr,fr-fr;q=0.8,en-us;q=0.5,en;q=0.3
Connection: keep-alive
Content-Type: text/plain
Cookie: csrftoken=4a9047c0e8eccd8a86da788412550c46; sessionid=fad912a6dbe83526e861546b3cf7ee68
Host: 172.22.22.1:6081
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:11.0) Gecko/20100101 Firefox/11.0
2012-03-30 18:06:48 DEBUG nova.rpc.amqp [req-22f145a1-7834-4483-a1bf-f94ae9e53c1d None None] Making asynchronous call on consoleauth ... from (pid=16674) multicall /usr/lib/python2.7/dist-packages/nova/rpc/amqp.py:321
2012-03-30 18:06:48 DEBUG nova.rpc.amqp [req-22f145a1-7834-4483-a1bf-f94ae9e53c1d None None] MSG_ID is c90d93874b33438ca4e8ffca54ee48d8 from (pid=16674) multicall /usr/lib/python2.7/dist-packages/nova/rpc/amqp.py:324
2012-03-30 18:06:48 DEBUG nova.rpc.amqp [req-22f145a1-7834-4483-a1bf-f94ae9e53c1d None None] Pool creating new connection from (pid=16674) create /usr/lib/python2.7/dist-packages/nova/rpc/amqp.py:59
2012-03-30 18:06:48 INFO nova.rpc.common [req-22f145a1-7834-4483-a1bf-f94ae9e53c1d None None] Connected to AMQP server on 172.22.22.1:5672
2012-03-30 18:06:48 AUDIT nova.vnc.xvp_proxy [req-22f145a1-7834-4483-a1bf-f94ae9e53c1d None None] Unexpected error: [Errno 111] ECONNREFUSED

any help appreciated,

thank you





Michaël Van de Borne
R&D Engineer, SOA team, CETIC
Phone: +32 (0)71 49 07 45 Mobile: +32 (0)472 69 57 16, Skype: mikemowgli
www.cetic.be, rue des Frères Wright, 29/3, B-6041 Charleroi


Le 30/03/12 17:51, Guilherme Birk a écrit :
> Michael, try to install nova-consoleauth, like Anthony said. The old 
> error was fixed when I installed it, now I'm having another issue, but 
> now I think it's related to my network.
>
> ------------------------------------------------------------------------
> Date: Fri, 30 Mar 2012 16:36:14 +0200
> From: michael.vandeborne at cetic.be
> To: openstack at lists.launchpad.net
> Subject: Re: [Openstack] Dashboard VNC Console failed to connect to server
>
> I've got the same problem.
>
> When I try to connect to the instance using VNC through the dashboard, 
> I've got this error. I then went in /var/log/nova/nova-xvpvncproxy.log 
> and it contains nothing related to any attempt to get connected to any 
> instance. It seems this nova-xvpvncproxy process doesn't notice anything.
>
>
> When I try to connect using VNC through virt-manager, it works.
>
>
> Le 30/03/12 15:50, Guilherme Birk a écrit :
>
>     Thanks for the reply.
>
>     I've added the flags that you mentioned on my nova.conf file. I'm
>     using a all in one installation, the flags are configured this way.
>     --vncserver_listen=127.0.0.1
>     --vncserver_proxyclient_address=127.0.0.1
>     --novncproxy_base_url=http://192.168.100.142:6080/vnc_auto.html
>
>     The public IP of the machine with the OpenStack installation is
>     192.168.100.142.
>     I've tried to access via browser the address
>     http://192.168.100.142:6080/vnc_auto.html from another machine,
>     but I got nothing.
>
>     I can ping and ssh my instances from the OpenStack machine but
>     can't use VNC tab at dashboard page from another machine. The
>     details and other pages from dashboard are fine.
>     Should I associate a public address for my instances? I'm using
>     just the private address at them (10.0.0.2, 10.0.0.3, ...).
>
>     I've restarted all the services and created new instances after
>     changing the nova.conf, but nothing has changed.
>
>     The error is a 404 not found. (*Error: *Unable to get VNC console
>     for instance "7376e17b-e329-4b8b-b5fc-076e8a80c058".)
>     The log from dashboards page looks like this:
>         - Page Not Found (404)
>         - Requested method: GET
>         - Requested URL:
>     *http://192.168.100.142/nova/instances_and_volumes/instances/7376e17b-e329-4b8b-b5fc-076e8a80c058/None*
>
>     This is the nova-api.log relative to the VNC atempt:
>     http://pastebin.com/wSuyctrg
>
>     Thanks for your time.
>     Guilherme Birk.
>
>     ------------------------------------------------------------------------
>     Date: Thu, 29 Mar 2012 13:06:37 -0700
>     Subject: Re: [Openstack] Dashboard VNC Console failed to connect
>     to server
>     From: sleepsonthefloor at gmail.com <mailto:sleepsonthefloor at gmail.com>
>     To: guibirk at hotmail.com <mailto:guibirk at hotmail.com>
>     CC: openstack at lists.launchpad.net
>     <mailto:openstack at lists.launchpad.net>
>
>     How are you generating this link:
>     http://192.168.100.142/nova/instances_and_volumes/instances/5307a5c5-249b-4eda-b6e4-5b17d349e8ee/None ?
>
>
>     It looks like if horizon is behaving nicely the link would look
>     like
>     http://192.168.100.142/nova/instances_and_volumes/instances/5307a5c5-249b-4eda-b6e4-5b17d349e8ee/vnc
>     <http://192.168.100.142/nova/instances_and_volumes/instances/5307a5c5-249b-4eda-b6e4-5b17d349e8ee/None>
>
>     Also, could you pastie your nova-api.log somewhere?
>
>     A
>
>     On Thu, Mar 29, 2012 at 11:52 AM, Guilherme Birk
>     <guibirk at hotmail.com <mailto:guibirk at hotmail.com>> wrote:
>
>         I'm having problems with it too. I'm trying to connect on my
>         instances in the VNC tab at the dashboard, but I'm getting a
>         404 not found in the URL
>         http://192.168.100.142/nova/instances_and_volumes/instances/5307a5c5-249b-4eda-b6e4-5b17d349e8ee/None
>
>         Here is my nova-api.log. Looks like nova is having problems
>         with the POST at
>         http://localhost:8774/v1.1/db742491018d467690ba7d3a7bb383a5/servers/5307a5c5-249b-4eda-b6e4-5b17d349e8ee/action.
>
>         Any suggestions ?
>         ------------------------------------------------------------------------
>         From: lucianthomaz at hotmail.com <mailto:lucianthomaz at hotmail.com>
>         To: openstack at lists.launchpad.net
>         <mailto:openstack at lists.launchpad.net>
>         Date: Thu, 29 Mar 2012 18:07:59 +0000
>         Subject: [Openstack] Dashboard VNC Console failed to connect
>         to server
>
>
>         Hey guys,
>
>         I'm using Dashboard with a nova-compute installed in another
>         machine, but when I try access VNC Console I get the error
>         "failed to connect to server".
>
>         Here is the log -> http://pastebin.com/5DZMfiNE
>
>         Anyone already saw this trouble?
>
>
>         *Lucian Thomaz *
>
>
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