Hi,
Would you like to read this log ?
Suddenly "HTTP 500 ERROR" is occurring.
The setting at that time is as follows
------- setting ---------
<connection name="Catalyst 3750 V2(ssh)">
<protocol>ssh</protocol>
<param name="hostname">*********</param>
<param name="port">22</param>
<param name="enable-sftp">true</param>
<param name="username">*********</param>
<param name="password">*********</param>
<!-- param name="color-scheme">black-white</param -->
</connection>
-------
------- log -------
25/Oct/2017:15:21:10 "GET /GUAC/api/patches HTTP/1.1" 200
25/Oct/2017:15:21:10 "GET /GUAC/api/languages HTTP/1.1" 200
25/Oct/2017:15:21:10 "POST /GUAC/api/tokens HTTP/1.1" 403
25/Oct/2017:15:21:33 "POST /GUAC/api/tokens HTTP/1.1" 403
25/Oct/2017:15:21:42 "POST /GUAC/api/tokens HTTP/1.1" 200
25/Oct/2017:15:21:42 "POST /GUAC/api/tokens HTTP/1.1" 200
25/Oct/2017:15:21:42 "GET
/GUAC/api/session/data/default/connectionGroups/ROOT/tree?token=5B2E50C517D0B38A68B5824EA84D5D6B4F1FDC6430834B581C7275195DAAB5F0
HTTP/1.1" 200
25/Oct/2017:15:21:42 "GET
/GUAC/api/patches?token=5B2E50C517D0B38A68B5824EA84D5D6B4F1FDC6430834B581C7275195DAAB5F0
HTTP/1.1" 200
25/Oct/2017:15:21:42 "GET
/GUAC/api/session/data/default/users/youhei-otsuki?token=5B2E50C517D0B38A68B5824EA84D5D6B4F1FDC6430834B581C7275195DAAB5F0
HTTP/1.1" 200
25/Oct/2017:15:21:42 "GET /GUAC/images/magnifier.png HTTP/1.1" 200
25/Oct/2017:15:21:42 "GET /GUAC/images/protocol-icons/guac-text.png
HTTP/1.1" 200
25/Oct/2017:15:21:42 "GET /GUAC/images/protocol-icons/guac-monitor.png
HTTP/1.1" 200
25/Oct/2017:15:21:42 "GET /GUAC/images/action-icons/guac-logout-dark.png
HTTP/1.1" 200
25/Oct/2017:15:21:42 "GET /GUAC/images/arrows/down.png HTTP/1.1" 200
25/Oct/2017:15:21:42 "GET /GUAC/images/user-icons/guac-user.png HTTP/1.1"
200
25/Oct/2017:15:21:42 "GET
/GUAC/api/session/data/default/self/permissions?token=5B2E50C517D0B38A68B5824EA84D5D6B4F1FDC6430834B581C7275195DAAB5F0
HTTP/1.1" 200
25/Oct/2017:15:21:42 "GET
/GUAC/api/session/data/default/activeConnections?token=5B2E50C517D0B38A68B5824EA84D5D6B4F1FDC6430834B581C7275195DAAB5F0
HTTP/1.1" 200
25/Oct/2017:15:21:42 "GET /GUAC/images/action-icons/guac-home-dark.png
HTTP/1.1" 200
25/Oct/2017:15:21:42 "GET /GUAC/images/action-icons/guac-config-dark.png
HTTP/1.1" 200
25/Oct/2017:15:21:54 "GET /GUAC/images/settings/touchscreen.png HTTP/1.1"
200
25/Oct/2017:15:21:54 "GET /GUAC/images/settings/touchpad.png HTTP/1.1" 200
25/Oct/2017:15:21:54 "GET /GUAC/images/settings/tablet-keys.png HTTP/1.1"
200
25/Oct/2017:15:21:54 "GET /GUAC/images/settings/zoom-in.png HTTP/1.1" 200
25/Oct/2017:15:21:54 "GET /GUAC/images/settings/zoom-out.png HTTP/1.1" 200
25/Oct/2017:15:21:54 "POST /GUAC/api/tokens HTTP/1.1" 200
25/Oct/2017:15:21:54 "GET /GUAC/images/share.png HTTP/1.1" 200
25/Oct/2017:15:21:54 "GET /GUAC/images/action-icons/guac-back.png HTTP/1.1"
200
25/Oct/2017:15:21:54 "GET /GUAC/images/drive.png HTTP/1.1" 200
25/Oct/2017:15:21:54 "GET /GUAC/layouts/en-us-qwerty.json HTTP/1.1" 200
25/Oct/2017:15:21:54 "GET /GUAC/app/element/templates/blank.html HTTP/1.1"
200
25/Oct/2017:15:21:54 "GET
/GUAC/api/session/data/default/connections/Catalyst%203750%20V2(ssh)?token=5B2E50C517D0B38A68B5824EA84D5D6B4F1FDC6430834B581C7275195DAAB5F0
HTTP/1.1" 200
25/Oct/2017:15:21:54 "GET /GUAC/images/x.png HTTP/1.1" 200
25/Oct/2017:15:21:54 "GET /GUAC/images/logo-144.png HTTP/1.1" 200
25/Oct/2017:15:21:54 "GET
/GUAC/websocket-tunnel?token=5B2E50C517D0B38A68B5824EA84D5D6B4F1FDC6430834B581C7275195DAAB5F0&GUAC_DATA_SOURCE=default&GUAC_ID=Catalyst%203750%20V2(ssh)&GUAC_TYPE=c&GUAC_WIDTH=1475&GUAC_HEIGHT=864&GUAC_DPI=96&GUAC_AUDIO=audio%2FL8&GUAC_AUDIO=audio%2FL16&GUAC_IMAGE=image%2Fjpeg&GUAC_IMAGE=image%2Fpng
HTTP/1.1" 500
25/Oct/2017:15:21:54 "GET
/GUAC/api/session/tunnels/3f75fd9f-1dc5-469c-a50e-7d11d1c465b9/activeConnection/connection/sharingProfiles?token=5B2E50C517D0B38A68B5824EA84D5D6B4F1FDC6430834B581C7275195DAAB5F0
HTTP/1.1" 404
25/Oct/2017:15:22:09 "POST /GUAC/api/tokens HTTP/1.1" 200
25/Oct/2017:15:22:09 "GET /GUAC/images/action-icons/guac-home.png HTTP/1.1"
200
25/Oct/2017:15:22:09 "GET /GUAC/images/circle-arrows.png HTTP/1.1" 200
25/Oct/2017:15:22:09 "GET /GUAC/images/action-icons/guac-logout.png
HTTP/1.1" 200
25/Oct/2017:15:22:16 "DELETE
/GUAC/api/tokens/5B2E50C517D0B38A68B5824EA84D5D6B4F1FDC6430834B581C7275195DAAB5F0
HTTP/1.1" 204
25/Oct/2017:15:22:16 "POST /GUAC/api/tokens HTTP/1.1" 403
Don’t hesitate to contact me if you have any questions.
I would appreciate your prompt reply.
Thanks,
2017-10-22 21:49 GMT+09:00 Youhei Ootsuki <[email protected]>:
> Hi,
>
> Thank you very much for your reply.
>
> I got a log file
>
> Do I need any additional information?
>
> Please contact , if there is something
>
>
>
>
> 2017-10-17 11:40 GMT+09:00 Nick Couchman <[email protected]>:
>
>> On Mon, Oct 9, 2017 at 8:28 AM, Youhei Ootsuki <[email protected]>
>> wrote:
>>
>>> Hi,
>>>
>>>
>>>
>>> Thank you very much for your reply.
>>>
>>>
>>> > At what point in the process do you get the error?
>>>
>>> I can login to My Guacamole server. ( HTTPS )
>>> but, I can not connect to the remote server with SSH.
>>>
>>> However, RDP connection is possible.( Another remote server )
>>> and, SSH connection to myself is also possible( Guacamole server to
>>> Guacamole server on ssh )
>>>
>>> SSH connection to Cisco IOS is also possible.
>>>
>>>
>>>
>>> SSH connection to the latest Linux such as Debian 9, Centos 7 is
>>> impossible.
>>>
>>>
>> That's very strange. I don't use Debian much, but I do use CentOS 7.4
>> and RHEL 7.4 routinely, and connect to these hosts with Guacamole without a
>> problem.
>>
>> Can you enable debugging mode for guacd (guacamole server) and capture
>> the logs when the connection fails? You can either change the startup, or
>> stop the service and run guacd manually with the -L debug flag and the -f
>> flag and capture the output during a connection failure:
>> /usr/sbin/guacd -L debug -f
>>
>> (Use the appropriate path to guacd, wherever you have it installed.)
>>
>> -Nick
>>
>
>
