Klaus Fuerstberger created GUACAMOLE-2183:
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Summary: guacd crashes when you move or resize the browser window
Key: GUACAMOLE-2183
URL: https://issues.apache.org/jira/browse/GUACAMOLE-2183
Project: Guacamole
Issue Type: Bug
Components: guacd
Affects Versions: 1.6.0
Environment: Ubuntu 22.04.5 LTS
Reporter: Klaus Fuerstberger
The client is connected via Guacamole VNC via ThightVNC. No special settings
were made in the connection.
3 monitors are connected to the target host.
As soon as the client moves the browser window after connecting or changes the
size, an extremely large number of connection attempts are made in a single
second. If you continue like this, guacd will crash at some point.
The following is logged in catalina.out:
{code:java}
[2025-12-04 12:53:44] [info] 12:53:44.777 [http-nio-127.0.0.1-8080-exec-6] INFO
o.a.g.tunnel.TunnelRequestService - Use
r "cobwah2" connected to connection "499".
[2025-12-04 12:57:25] [info] 12:57:25.629 [http-nio-127.0.0.1-8080-exec-3] INFO
o.a.g.tunnel.TunnelRequestService - Use
r "cobwah2" connected to connection "499".
[2025-12-04 12:57:29] [info] 12:57:29.071 [http-nio-127.0.0.1-8080-exec-5] INFO
o.a.g.tunnel.TunnelRequestService - Use
r "cobwah2" connected to connection "499".
[2025-12-04 12:57:29] [info] 12:57:29.156 [http-nio-127.0.0.1-8080-exec-7] INFO
o.a.g.tunnel.TunnelRequestService - User "cobwah2" connected to connection
"499".
[2025-12-04 12:57:29] [info] 12:57:29.248 [http-nio-127.0.0.1-8080-exec-1] INFO
o.a.g.tunnel.TunnelRequestService - User "cobwah2" connected to connection
"499".
[2025-12-04 12:57:29] [info] 12:57:29.296 [http-nio-127.0.0.1-8080-exec-8] INFO
o.a.g.tunnel.TunnelRequestService - User "cobwah2" connected to connection
"499".
[2025-12-04 12:57:29] [info] 12:57:29.354 [http-nio-127.0.0.1-8080-exec-9] INFO
o.a.g.tunnel.TunnelRequestService - User "cobwah2" connected to connection
"499".
[2025-12-04 12:57:29] [info] 12:57:29.422 [http-nio-127.0.0.1-8080-exec-1] INFO
o.a.g.tunnel.TunnelRequestService - User "cobwah2" connected to connection
"499".
...{code}
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