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From Jorge Camara <jorge.cam...@webaula.com>
Subject Black screen on connect
Date Fri, 20 Jan 2017 12:03:39 GMT
Hello everyone.

I'm having constant trouble making connection using guacamole.
At some point, I make the connection to a server using RDP protocol.
In the first moment the screen turns black and the connection drops for 15
seconds.
Then a popup appears where I click on reconnect and the connection goes
normally.

Below is the syslog log where you have the guacd log in DEBUG mode and then
the log of my catalina.out.

Note: This issue is intermitent.

Anyone have any suggestions?

Jan 20 09:50:44 WASN08 guacd[6609]: Creating new client for protocol "rdp"
Jan 20 09:50:44 WASN08 guacd[6609]: Connection ID is
"$c400061a-553e-4f24-8d06-8db528cc1240"
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "console" omitted. Using
default value of 0.
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "console-audio" omitted.
Using default value of 0.
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "ignore-cert" omitted. Using
default value of 0.
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "disable-auth" omitted. Using
default value of 0.
Jan 20 09:50:44 WASN08 guacd[6618]: No security mode specified. Defaulting
to RDP.
Jan 20 09:50:44 WASN08 guacd[6618]: User resolution is 1440x804 at 96 DPI
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "dpi" omitted. Using default
value of 96.
Jan 20 09:50:44 WASN08 guacd[6618]: Using resolution of 1440x804 at 96 DPI
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "read-only" omitted. Using
default value of 0.
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "enable-theming" omitted.
Using default value of 0.
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "enable-font-smoothing"
omitted. Using default value of 0.
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "enable-full-window-drag"
omitted. Using default value of 0.
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "enable-desktop-composition"
omitted. Using default value of 0.
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "enable-menu-animations"
omitted. Using default value of 0.
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "color-depth" omitted. Using
default value of 16.
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "enable-printing" omitted.
Using default value of 0.
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "enable-drive" omitted. Using
default value of 0.
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "drive-path" omitted. Using
default value of "".
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "create-drive-path" omitted.
Using default value of 0.
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "enable-sftp" omitted. Using
default value of 0.
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "sftp-hostname" omitted.
Using default value of "waolap01.webaula.dc".
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "sftp-port" omitted. Using
default value of "22".
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "sftp-username" omitted.
Using default value of "".
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "sftp-password" omitted.
Using default value of "".
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "sftp-passphrase" omitted.
Using default value of "".
Jan 20 09:50:44 WASN08 guacd[6618]: Resize method: none
Jan 20 09:50:44 WASN08 guacd[6618]: Parameter "enable-audio-input" omitted.
Using default value of 0.
Jan 20 09:50:44 WASN08 guacd[6618]: User
"@f547f4fe-95f4-4c66-b9b6-1df34e78c73c" joined connection
"$c400061a-553e-4f24-8d06-8db528cc1240" (1 users now present)
Jan 20 09:50:44 WASN08 guacd[6618]: Recording of session will be saved to
"/etc/guacamole/screenrec//waolap01.1".
Jan 20 09:50:44 WASN08 guacd[6618]: Loading keymap "base"
Jan 20 09:50:44 WASN08 guacd[6618]: Loading keymap "en-us-qwerty"
Jan 20 09:50:49 WASN08 guacd[6618]: Error waiting for file descriptor.
Jan 20 09:50:49 WASN08 guacd[6618]: Internal RDP client disconnected
Jan 20 09:50:49 WASN08 guacd[6618]: User
"@f547f4fe-95f4-4c66-b9b6-1df34e78c73c" disconnected (0 users remain)
Jan 20 09:50:49 WASN08 guacd[6618]: Last user of connection
"$c400061a-553e-4f24-8d06-8db528cc1240" disconnected
Jan 20 09:50:49 WASN08 guacd[6609]: Connection
"$c400061a-553e-4f24-8d06-8db528cc1240" removed.

And my catalina.out log was:

Exception in thread "Thread-85" java.lang.IllegalStateException: Message
will not be sent because the WebSocket session has been closed
        at
org.apache.tomcat.websocket.WsRemoteEndpointImplBase.writeMessagePart(WsRemoteEndpointImplBase.java:384)
        at
org.apache.tomcat.websocket.WsRemoteEndpointImplBase.startMessage(WsRemoteEndpointImplBase.java:340)
        at
org.apache.tomcat.websocket.WsRemoteEndpointImplBase$TextMessageSendHandler.write(WsRemoteEndpointImplBase.java:755)
        at
org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendPartialString(WsRemoteEndpointImplBase.java:252)
        at
org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendString(WsRemoteEndpointImplBase.java:195)08:50:49.590
[http-nio-8080-exec-6] INFO  o.a.g.tunnel.TunnelRequestService - User
"jorge" disconnected from connection "87". Duration: 5173 milliseconds

        at
org.apache.tomcat.websocket.WsRemoteEndpointBasic.sendText(WsRemoteEndpointBasic.java:37)
        at
org.apache.guacamole.websocket.GuacamoleWebSocketTunnelEndpoint$2.run(GuacamoleWebSocketTunnelEndpoint.java:169)


*Atenciosamente,*

*Jorge Camara*

Analista de Suporte SĂȘnior - *Centro de Tecnologia*

*www.webaula.com.br* <http://www.webaula.com.br/>
+55 (31) 2129-0550

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