[openstack-dev] problems with instance consoles and novnc

Chris Friesen chris.friesen at windriver.com
Mon Feb 2 16:36:30 UTC 2015


On 01/30/2015 06:26 AM, Jesse Pretorius wrote:
> On 29 January 2015 at 04:57, Chris Friesen <chris.friesen at windriver.com
> <mailto:chris.friesen at windriver.com>> wrote:
>
>     On 01/28/2015 10:33 PM, Mathieu Gagné wrote:
>
>         On 2015-01-28 11:13 PM, Chris Friesen wrote:
>
>             Anyone have any suggestions on where to start digging?
>
>         We have a similar issue which has yet to be properly diagnosed on our side.
>
>         One workaround which looks to be working for us is enabling the "private
>         mode"
>         in the browser. If it doesn't work, try deleting your cookies.
>
>         Can you see if those workarounds work for you?
>
>
>     Neither of those seems to work for me.  I still get a multi-second delay and
>     then the red bar with "Connect timeout".
>
>     I suspect it's something related to websockify, but I can't figure out what.
>
>
> In some versions of websockify and the relates noVNC versions that use it I've
> seen the same behaviour. This is due to the way websockify tries to detect the
> protocol to use. It ends up doing a localhost connection and the browser rejects
> it as an unsafe operation.
>
> It was fixed in later versions of websockify.
>
> Have you tried manually updating the NoVNC and websockify files to later
> versions from source?

We were already using a fairly recent version of websockify, but it turns out 
that we needed to upversion the novnc package.

Chris



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