[Spice-devel] Userquestion - remote-viewer connection fails with "Connection type could not be determined by URI"

Thu Nov 17 09:08:27 UTC 2022

Il giorno gio 17 nov 2022 alle ore 07:57 Stefan Silberstein
<linuxstony at gmail.com> ha scritto:
>
> Hello again,
>
> so - yesterday I worked from home - as I wrote I was able to connect by specifying the user root with "remote-viewer spice://root@192.168.178.51:5900"
>
> Today I want to connect the exact same way (yesterday i simply closed the remote-viewer window and the server keept on running so the windows-VM was running the whole night) - and I can not connect.
>
> Error Message on the console  "** (remote-viewer:6146): CRITICAL **: 07:55:52.853: virt_viewer_util_extract_host: assertion 'uri != NULL' failed"
> Error Message on the popup says translated: Connectiontype could not be determined by URI.
>

Hi,
   That means that the code was not able to parse the URI.

> IP of the server itself is 192.168.178.51
> IP of the Virtual Machine is 192.168.178.64 and i pingable
> Port 5900 on the server is open: 5900/tcp open  vnc
> remote-viewer --spice-debug spice:⁄⁄192.168.178.51:5900 does not produce a more verbose output :(
>

In this example you are not using ASCII slashes (//), maybe that's the problem.

> Update in the meantime
> But maybe this is helpful to you:
>
> I simply started "remote-viewer --spice-debug"
> Then i got the GUI (which i wasnt even aware it existed).
>
> When I choose the same entry on that list - I AM able to connect.
>
> So the error only exists only when I try to connect via command line?! (This is when I am able to connect tomorrow via GUI ;) )
>
> Shouldn't this be the same ?
>
> I mabe I can help - maybe this is indeed a bug?
>
> Stefan
>

Frediano

> Am Mi., 16. Nov. 2022 um 09:37 Uhr schrieb Victor Toso <victortoso at redhat.com>:
>>
>> On Wed, Nov 16, 2022 at 09:27:21AM +0100, Stefan Silberstein wrote:
>> > I appreciate the time to answer me.
>> >
>> > In the meantime (out of desperation because i needed the virtualmachine for
>> > work) I gave it a go with specifying root as user and not the servers
>> > username "server".
>> >
>> > I was able to connect to the virtual Windows10 installation with
>> >
>> > remote-viewer spice://root@192.168.178.51:5900
>>
>> Cool
>>
>> > But again - then I dont unterstand why it worked as user and
>> > later on with specifying the user later on (which doesn't work
>> > right now anymore)
>> >
>> > So it is a permissions problem on my side and I successfully
>> > wasted your time. :/
>> >
>> > Sorry about that.
>>
>> Don't worry about that. Happy to hear it worked.
>>
>> >
>> > This happens when "users" try to play with the big boys toys :D
>> >
>> > Have a nice day you all and thanks for your time.
>>
>> You too.
>> Cheers,
>>
>> >
>> > Stefan
>> >
>> > Am Mi., 16. Nov. 2022 um 09:21 Uhr schrieb Victor Toso <
>> > victortoso at redhat.com>:
>> >
>> > > Hi Stefan,
>> > >
>> > > On Tue, Nov 15, 2022 at 09:53:05PM +0100, Stefan Silberstein wrote:
>> > > > Hello developers,
>> > > >
>> > > > I can imagine that this will be an annoying question for you -
>> > > > so I apologize in advance.
>> > > >
>> > > > I am a user - with a longer history with linux BUT i am
>> > > > completely new to virtualization.
>> > > > Due to the fact that I got a server donated to me I wanted to
>> > > > give it a go and it worked like a charm.
>> > > >
>> > > > Installed virt-manager, installed Windows10  connected with
>> > > > virt-manager - absolutely no problem.
>> > > >
>> > > > Due to the fact that I need dual monitors I learned that I
>> > > > could add another display and connect with spice - and it
>> > > > worked immediately.
>> > > >
>> > > > BUT - without me changing anything (consciously) I wasn't able
>> > > > to connect to the virtual machine the next week.
>> > > >
>> > > > It refuses with "Verbindungstyp konnte nicht von URI ermittelt werden"
>> > > > (Connection type could not be determined by URI)
>> > > >
>> > > > Then i tried to connect with sudo and specifying the user in
>> > > > the command line and it once again connected:
>> > > >
>> > > > sudo remote-viewer  spice:⁄⁄server at 192.168.178.51:5900
>> > >
>> > > Perhaps the URL is the problem. If the IP is 192.168.178.51 and
>> > > the port for the VM is 5900, then try
>> > >
>> > >     remote-viewer spice://192.168.178.51:5900
>> > >
>> > > If server is a dns that can be resolved, should be fine to use it
>> > > instead of ip address
>> > >
>> > >     remote-viewer spice://server:5900
>> > >
>> > >
>> > > > And now - again without changing anything - it doesn't connect
>> > > > with that command as well.
>> > > >
>> > > > I have sadly NO clue whatsoever where to even search for a
>> > > > solution - the internet didn't help me here...
>> > > >
>> > > > Do you have any hint at all what I might do wrong here?
>> > > >
>> > > > The machine is available - the port is open and visible
>> > > > PORT     STATE SERVICE
>> > > > 22/tcp   open  ssh
>> > > > 80/tcp   open  http
>> > > > 3389/tcp open  ms-wbt-server
>> > > > 5900/tcp open  vnc
>> > > >
>> > > > ufw on the server is shut down.
>> > > >
>> > > > ANY help would be greatly appreciated.
>> > >
>> > > You can get more verbose information of issues with --spice-debug
>> > > command line option too.
>> > >
>> > > Cheers,
>> > > Victor
>> > >