Hello.

I have installed guacamole a few days ago. It works good with SSH and RDP. But VNC didn`t work.

My user mapping is configured:

<user-mapping>
    <authorize username="admin" password="xxx">
        <connection name="Windows 10 Test VM">
                <protocol>rdp</protocol>
                <param name="hostname">192.168.5.36</param>
                <param name="port">3389</param>
                <param name="username">xxx</param>
                <param name="password">xxx</param>
                <param name="domain">doing</param>
                <param name="disable-audio">false</param>
                <param name="console">true</param>
                <param name="server-layout">de-de-qwertz</param>
                <param name="ignore-cert">true</param>
        </connection>
        <connection name="VNC mgmt">
                <protocol>vnc</protocol>
                <param name="hostname">192.168.6.106</param>
                <param name="port">5901</param>
                <param name="password">xxx</param>
        </connection>
        <connection name="SSH VU">
                <protocol>ssh</protocol>
                <param name="hostname">192.168.5.7</param>
                <param name="port">22</param>
                <param name="username">xxx</param>
                <param name="password">xxx</param>
        </connection>
    </authorize>
</user-mapping>

For my opinion it looks good.
The Debuglog says parameter "hostname" omitted. Using default value "".


Snippet from the log:
guacd[28269]: INFO: Connection "$7254a217-6034-4d13-a8ec-332e84bdc952" removed.
guacd[28269]: INFO:     Creating new client for protocol "vnc"
guacd[28269]: INFO: Connection ID is "$cda3475a-de93-47b9-a781-73fe622c114f" guacd[28341]: DEBUG: Parameter "hostname" omitted. Using default value of "".
guacd[28341]: INFO:     Cursor rendering: local
guacd[28341]: DEBUG: Parameter "swap-red-blue" omitted. Using default value of 0. guacd[28341]: DEBUG: Parameter "read-only" omitted. Using default value of 0. guacd[28341]: DEBUG: Parameter "color-depth" omitted. Using default value of 0. guacd[28341]: DEBUG: Parameter "dest-port" omitted. Using default value of 0. guacd[28341]: DEBUG: Parameter "encodings" omitted. Using default value of "zrle ultra copyrect hextile zlib corre rre raw". guacd[28341]: DEBUG: Parameter "autoretry" omitted. Using default value of 0. guacd[28341]: DEBUG: Parameter "reverse-connect" omitted. Using default value of 0. guacd[28341]: DEBUG: Parameter "listen-timeout" omitted. Using default value of 5000. guacd[28341]: DEBUG: Parameter "enable-audio" omitted. Using default value of 0. guacd[28341]: DEBUG: Parameter "enable-sftp" omitted. Using default value of 0. guacd[28341]: DEBUG: Parameter "sftp-hostname" omitted. Using default value of "". guacd[28341]: DEBUG: Parameter "sftp-port" omitted. Using default value of "22". guacd[28341]: DEBUG: Parameter "sftp-username" omitted. Using default value of "". guacd[28341]: DEBUG: Parameter "sftp-password" omitted. Using default value of "". guacd[28341]: DEBUG: Parameter "sftp-passphrase" omitted. Using default value of "". guacd[28341]: DEBUG: Parameter "sftp-root-directory" omitted. Using default value of "/". guacd[28341]: DEBUG: Parameter "sftp-server-alive-interval" omitted. Using default value of 0. guacd[28341]: DEBUG: Parameter "recording-name" omitted. Using default value of "recording". guacd[28341]: DEBUG: Parameter "create-recording-path" omitted. Using default value of 0. guacd[28341]: INFO: User "@db7cabfe-0fff-497b-ae9d-01cc6b3cf177" joined connection "$cda3475a-de93-47b9-a781-73fe622c114f" (1 users now present)
guacd[28341]: ERROR:    Unable to connect to VNC server.

Can anyone tell me what is wrong here. Why is the hostname omitted?

Greets
pr0

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