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https://issues.apache.org/jira/browse/GUACAMOLE-1196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17880989#comment-17880989
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Corentin Soriano commented on GUACAMOLE-1196:
---------------------------------------------
There is another issue that I haven't been able to fix.
Guacamole server/client built from master today on AlmaLinux release 9.4 and
default raspbian 12 vnc server (realvnc-vnc-server/stable,now 7.11.0.18 arm64).
Without disable_display_resize, I have error on login:
guacd -L debug -f:
{code:java}
guacd[164112]: DEBUG: Client is using protocol version "VERSION_1_5_0"
guacd[164112]: DEBUG: Sending VNC display size for owner's display.
guacd[164112]: ERROR: Error handling message from VNC server.
guacd[164112]: INFO: Internal VNC client disconnected {code}
vnc server journalctl:
{code:java}
Sep 11 15:51:39 rpi vncserver-x11[103918]: Connections: connected:
10.0.0.1::53198 (TCP)
Sep 11 15:51:39 rpi vncserver-x11[103918]: Connections: authenticated:
10.0.0.1::53198 (TCP), as (anonymous) (d permissions)
Sep 11 15:51:39 rpi vncserver-x11[103918]: Connections: disconnected:
10.0.0.1::53198 (TCP) ([ProtocolError] Protocol error: invalid message type
251) {code}
With disable_display_resize, I no longer have the error but I only have this
white rectangle displayed:
{code:java}
<div style="width: 8195px; height: 57345px; position: absolute; left: 0px; top:
0px; overflow: hidden;"><canvas width="8256" height="57408" style="z-index: -1;
position: absolute; left: 0px; top: 0px;"></canvas></div>{code}
Keyboard/mouse events are sent to the server.
> Add auto resize to VNC sessions
> -------------------------------
>
> Key: GUACAMOLE-1196
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-1196
> Project: Guacamole
> Issue Type: Improvement
> Components: Documentation, VNC
> Reporter: Markus Bonet
> Assignee: Nick Couchman
> Priority: Minor
> Fix For: 1.6.0
>
>
> As discussed on the mailing list:
> {quote}
> I'm running a TigerVNC session on the server where Guacamole is installed. If
> I connect with the TigerVNC viewer there is this nice feature that the remote
> desktop is automatically resized if the viewer window is resized, like this
> if offered with RDP already.
> Is there a configuration how to achieve this with a Guacamole session as well
> for my VNC connection?
> {quote}
> Historically, this could not be done without corresponding support within
> libvncclient. This should now be possible through handling the required
> message type ({{SetDesktopSize}}):
> {quote}
> Unfortunately my team had to come up with a home baked solution for this
> about 2 years ago. But it involved hacking up libvnc.
> BUT, I think it is feasible to submit a feature request for it because now
> libvnc recently tagged a new version that includes the message type that
> guacamole needs to do this:
> Tag: https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.13
> New message:
> https://github.com/rfbproto/rfbproto/blob/master/rfbproto.rst#setdesktopsize
> {quote}
> See:
> [http://apache-guacamole-general-user-mailing-list.2363388.n4.nabble.com/Auto-resize-of-VNC-sessions-td9511.html]
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