Lorenzo S. created GUACAMOLE-2107:
-------------------------------------
Summary: WOL (Wake On LAN) feature doesn't work on version newer
than 1.5.4
Key: GUACAMOLE-2107
URL: https://issues.apache.org/jira/browse/GUACAMOLE-2107
Project: Guacamole
Issue Type: Bug
Components: guacamole, guacd
Affects Versions: 1.6.0, 1.5.5, 1.5.4
Environment: Docker 28.1.1 on x86 or ARM
Reporter: Lorenzo S.
Fix For: 1.5.3
Attachments: Screenshot 2025-07-26 at 6.04.26.png, Screenshot
2025-07-26 at 6.12.56.png, Screenshot 2025-07-26 at 6.13.11.png
Hello,
I have confirmed that on guacamole version newer than 1.5.3 the WOL feature is
not working. Specifically the WOL packet is not sent, and the connection times
out after 10s despite to have set a longer time (screenshot attached).
Checking the logs "guacd" provided the below messages:
{code:java}
guacd[1]: INFO: Creating new client for protocol "rdp"
guacd[1]: INFO: Connection ID is "$f41f9319-154b-4c58-9b9c-3d9fd6995046"
guacd[16]: INFO: Security mode: Negotiate (ANY)
guacd[16]: INFO: Resize method: display-update
guacd[16]: INFO: Clipboard line ending normalization: Preserve (none)
guacd[16]: INFO: User "@6ec7067c-b91e-43b3-80b0-2fbeb9d7bb36" joined
connection "$f41f9319-154b-4c58-9b9c-3d9fd6995046" (1 users now present)
guacd[16]: INFO: Local system reports 4 processor(s) are available.
guacd[16]: INFO: Graphical updates will be encoded using 4 worker
thread(s).
guacd[16]: INFO: Loading keymap "base"
guacd[16]: INFO: Loading keymap "ja-jp-qwerty"
guacd[16]: WARNING: Ignoring requested color depth of 16 bpp, as the RDP
Graphics Pipeline requires 32 bpp.
guacd[16]: INFO: RDP server closed/refused connection: Server refused
connection (wrong security type?)
guacd[16]: INFO: User "@6ec7067c-b91e-43b3-80b0-2fbeb9d7bb36"
disconnected (0 users remain)
guacd[16]: INFO: Last user of connection
"$f41f9319-154b-4c58-9b9c-3d9fd6995046" disconnected
guacd[1]: INFO: Connection "$f41f9319-154b-4c58-9b9c-3d9fd6995046" removed.
{code}
and "guacamole" this one:
{code:java}
21:03:32.450 [http-nio-8080-exec-8] INFO o.a.g.event.EventLoggingListener -
User "*****" (authenticated by "postgresql") successfully authenticated from
192.168.10.156
21:04:12.231 [http-nio-8080-exec-7] INFO o.a.g.tunnel.TunnelRequestService -
User "*****" connected to connection "11".
Exception in thread "Thread-2" java.lang.IllegalStateException: Message will
not be sent because the WebSocket session has been closed
at
org.apache.tomcat.websocket.WsRemoteEndpointImplBase.writeMessagePart(WsRemoteEndpointImplBase.java:454)
at
org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendMessageBlockInternal(WsRemoteEndpointImplBase.java:312)
at
org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendMessageBlock(WsRemoteEndpointImplBase.java:265)
at
org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendMessageBlock(WsRemoteEndpointImplBase.java:249)
at
org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendString(WsRemoteEndpointImplBase.java:191)
at
org.apache.tomcat.websocket.WsRemoteEndpointBasic.sendText(WsRemoteEndpointBasic.java:36)
at
org.apache.guacamole.websocket.GuacamoleWebSocketTunnelEndpoint.sendInstruction(GuacamoleWebSocketTunnelEndpoint.java:152)
at
org.apache.guacamole.websocket.GuacamoleWebSocketTunnelEndpoint.access$200(GuacamoleWebSocketTunnelEndpoint.java:53)
at
org.apache.guacamole.websocket.GuacamoleWebSocketTunnelEndpoint$2.run(GuacamoleWebSocketTunnelEndpoint.java:253)
21:04:21.370 [http-nio-8080-exec-8] INFO o.a.g.tunnel.TunnelRequestService -
User "*****" disconnected from connection "11". Duration: 9124 milliseconds
{code}
It does show an issue with "Websocket" but it's not related as I am not using a
Proxy and without using WOL it works with no issues.
The workaround is using version 1.5.4 (for the supported architecture).
Regards
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