Hi,

we have a problem with the virtual drive over RDP when more than one host is in 
a balancing connection group.

After connecting, the virtual drive is mounted and can be used on the remote 
host. If I want to upload or download files from the sidebar, it does not work.

- Uploaded documents are created but have no content.
- Download does not work.
- The clipboard works.


Nginx logs:

[05/Nov/2021:16:26:33 +0000] "POST /api/tokens HTTP/2.0" 200 179 
"https://guacamole_host/„

[05/Nov/2021:16:26:33 +0000] "GET /app/element/templates/blank.html HTTP/2.0" 
200 173 "https://guacamole_host/„

[05/Nov/2021:16:26:33 +0000] "GET 
/api/session/data/mysql/connectionGroups/16?token=356BC420D8C89741E80C3A430629FD123FB1E7A29D7F74174909E2DB3CB846E1
 HTTP/2.0" 200 214 "https://guacamole_host/„

[05/Nov/2021:16:26:36 +0000] "GET 
/api/session/tunnels/ef2f3aaf-d34e-4095-91dc-e1d3d1275ab1/protocol?token=356BC420D8C89741E80C3A430629FD123FB1E7A29D7F74174909E2DB3CB846E1
 HTTP/2.0" 200 5013 "https://guacamole_host/„

[05/Nov/2021:16:27:07 +0000] "GET 
/api/session/data/mysql-shared/activeConnections?token=356BC420D8C89741E80C3A430629FD123FB1E7A29D7F74174909E2DB3CB846E1
 HTTP/2.0" 200 2 "https://guacamole_host“

[05/Nov/2021:16:27:07 +0000] "GET 
/api/session/data/ldap/activeConnections?token=356BC420D8C89741E80C3A430629FD123FB1E7A29D7F74174909E2DB3CB846E1
 HTTP/2.0" 200 2 "https://guacamole_host/„

[05/Nov/2021:16:27:07 +0000] "GET 
/api/session/data/mysql/activeConnections?token=356BC420D8C89741E80C3A430629FD123FB1E7A29D7F74174909E2DB3CB846E1
 HTTP/2.0" 200 2 "https://guacamole_host/„

[05/Nov/2021:16:27:10 +0000] "GET 
/api/session/tunnels/null/streams/0/test.txt?token=356BC420D8C89741E80C3A430629FD123FB1E7A29D7F74174909E2DB3CB846E1
 HTTP/2.0" 404 178 "https://guacamole_host/";


After a page reload, it works.


Nginx log:

[05/Nov/2021:15:53:54 +0000] "GET 
/api/session/tunnels/65af3217-a43b-4ea6-8e25-707d3f0c143b/streams/0/Test.txt?token=C4856B0DBEE8E0C2C04D95D32DADFD9996C6AAA23FDF6A6506A5AB4FCF49D45F
 HTTP/2.0" 200 4


It seems like it doesn't get the tunnel ID on first connection after login.

If a host is selected directly the problem does not occur


Environment:

Prod:

Frontend Server: Nginx + mysql + guacamole_client (all Docker)
Backend Server: guacd (docker)

Test:
All-in-on Setup: Nginx + mysql + guacamole_client + guacd (Docker)


Does anyone have the same problem or an idea ?


Thanks!

Best regards
Janos




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