[ 
https://issues.apache.org/jira/browse/GUACAMOLE-1309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17299795#comment-17299795
 ] 

TheDrode commented on GUACAMOLE-1309:
-------------------------------------

Hello Mike Jumper, thanks for the answer, Big fan of your work on Guacamole :)

I did the these tests:

 

Remmina -> Windows 10: Audio and Microphone OK, no crash

Remmina -> LinuxMint 20 XRDP : Audio and Microphone OK, no crash

Guacamole -> LinuxMint 20 XRDP : Audio and Microphone OK, session crash

Guacamole -> Windows 10: Audio and Microphone OK, no crash

 

So, i am not *totally* sure but i think it may be something on the version of 
freerdp i built guacamole against because Remmina also uses freerdp at the core.

 

Could it be possible to see the lib-guac-rdp logs?

 

Thanks so much, 

 

 

 

I am attaching the logs for guacd: (cat /var/log/syslog | grep -i "guacd")

 

Mar 11 15:15:48 guacnginx guacd[1646]: Guacamole proxy daemon (guacd) version 
1.3.0 started
Mar 11 15:15:48 guacnginx guacd[1648]: Listening on host 127.0.0.1, port 4822
Mar 11 15:15:48 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:15:48 guacnginx guacd[1648]: Connection ID is 
"$6897447b-0142-494f-8875-bfcdc758f3d3"
Mar 11 15:15:49 guacnginx guacd[1650]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:15:49 guacnginx guacd[1650]: Resize method: none
Mar 11 15:15:49 guacnginx guacd[1650]: User 
"@c2023e78-71c7-4823-a246-f272fc77f991" joined connection 
"$6897447b-0142-494f-8875-bfcdc758f3d3" (1 users now present)
Mar 11 15:15:49 guacnginx guacd[1650]: Loading keymap "base"
Mar 11 15:15:49 guacnginx guacd[1650]: Loading keymap "en-us-qwerty"
Mar 11 15:15:52 guacnginx guacd[1650]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:15:52 guacnginx guacd[1650]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:15:52 guacnginx guacd[1650]: Connected to RDPDR 1.12 as client 
0x4d1c5f8a
Mar 11 15:15:52 guacnginx guacd[1650]: RDPDR user logged on
Mar 11 15:16:21 guacnginx guacd[1650]: User 
"@c2023e78-71c7-4823-a246-f272fc77f991" disconnected (0 users remain)
Mar 11 15:16:21 guacnginx guacd[1650]: Last user of connection 
"$6897447b-0142-494f-8875-bfcdc758f3d3" disconnected
Mar 11 15:16:21 guacnginx guacd[1650]: Internal RDP client disconnected
Mar 11 15:16:21 guacnginx guacd[1648]: Connection 
"$6897447b-0142-494f-8875-bfcdc758f3d3" removed.
Mar 11 15:16:22 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:16:22 guacnginx guacd[1648]: Connection ID is 
"$1e3627de-3578-4d3e-8fa2-869ef9ed1828"
Mar 11 15:16:22 guacnginx guacd[1671]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:16:22 guacnginx guacd[1671]: Resize method: none
Mar 11 15:16:22 guacnginx guacd[1671]: User 
"@4e8007f2-09d9-4548-9222-dea13babd062" joined connection 
"$1e3627de-3578-4d3e-8fa2-869ef9ed1828" (1 users now present)
Mar 11 15:16:22 guacnginx guacd[1671]: Loading keymap "base"
Mar 11 15:16:22 guacnginx guacd[1671]: Loading keymap "en-us-qwerty"
Mar 11 15:16:25 guacnginx guacd[1671]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:16:25 guacnginx guacd[1671]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:16:25 guacnginx guacd[1671]: Connected to RDPDR 1.12 as client 
0x4d6042b8
Mar 11 15:16:25 guacnginx guacd[1671]: RDPDR user logged on
Mar 11 15:16:30 guacnginx guacd[1671]: User 
"@4e8007f2-09d9-4548-9222-dea13babd062" disconnected (0 users remain)
Mar 11 15:16:30 guacnginx guacd[1671]: Last user of connection 
"$1e3627de-3578-4d3e-8fa2-869ef9ed1828" disconnected
Mar 11 15:16:30 guacnginx guacd[1671]: Internal RDP client disconnected
Mar 11 15:16:30 guacnginx guacd[1648]: Connection 
"$1e3627de-3578-4d3e-8fa2-869ef9ed1828" removed.
Mar 11 15:16:31 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:16:31 guacnginx guacd[1648]: Connection ID is 
"$7bd2000a-e194-4861-819c-d09dec8823eb"
Mar 11 15:16:31 guacnginx guacd[1690]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:16:31 guacnginx guacd[1690]: Resize method: none
Mar 11 15:16:31 guacnginx guacd[1690]: User 
"@8d6fe699-df41-4f45-a8c6-bd7c86a6cd67" joined connection 
"$7bd2000a-e194-4861-819c-d09dec8823eb" (1 users now present)
Mar 11 15:16:31 guacnginx guacd[1690]: Loading keymap "base"
Mar 11 15:16:31 guacnginx guacd[1690]: Loading keymap "en-us-qwerty"
Mar 11 15:16:34 guacnginx guacd[1690]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:16:34 guacnginx guacd[1690]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:16:34 guacnginx guacd[1690]: Connected to RDPDR 1.12 as client 
0x84ce58e0
Mar 11 15:16:34 guacnginx guacd[1690]: RDPDR user logged on
Mar 11 15:17:02 guacnginx guacd[1690]: Connection closed.
Mar 11 15:17:03 guacnginx guacd[1690]: Internal RDP client disconnected
Mar 11 15:17:03 guacnginx guacd[1690]: User 
"@8d6fe699-df41-4f45-a8c6-bd7c86a6cd67" disconnected (0 users remain)
Mar 11 15:17:03 guacnginx guacd[1690]: Last user of connection 
"$7bd2000a-e194-4861-819c-d09dec8823eb" disconnected
Mar 11 15:17:03 guacnginx guacd[1648]: Connection 
"$7bd2000a-e194-4861-819c-d09dec8823eb" removed.
Mar 11 15:17:18 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:17:18 guacnginx guacd[1648]: Connection ID is 
"$2bf28253-6d22-4531-a349-722a0971fffe"
Mar 11 15:17:18 guacnginx guacd[1714]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:17:18 guacnginx guacd[1714]: Resize method: none
Mar 11 15:17:18 guacnginx guacd[1714]: User 
"@d6b5f4e5-a60d-4b8e-b50a-ae3586e59fff" joined connection 
"$2bf28253-6d22-4531-a349-722a0971fffe" (1 users now present)
Mar 11 15:17:18 guacnginx guacd[1714]: Loading keymap "base"
Mar 11 15:17:18 guacnginx guacd[1714]: Loading keymap "en-us-qwerty"
Mar 11 15:17:20 guacnginx guacd[1714]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:17:20 guacnginx guacd[1714]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:17:20 guacnginx guacd[1714]: Connected to RDPDR 1.12 as client 
0x3ff3e3dc
Mar 11 15:17:20 guacnginx guacd[1714]: RDPDR user logged on
Mar 11 15:17:35 guacnginx guacd[1714]: Connection closed.
Mar 11 15:17:35 guacnginx guacd[1714]: Internal RDP client disconnected
Mar 11 15:17:35 guacnginx guacd[1714]: User 
"@d6b5f4e5-a60d-4b8e-b50a-ae3586e59fff" disconnected (0 users remain)
Mar 11 15:17:35 guacnginx guacd[1714]: Last user of connection 
"$2bf28253-6d22-4531-a349-722a0971fffe" disconnected
Mar 11 15:17:35 guacnginx guacd[1648]: Connection 
"$2bf28253-6d22-4531-a349-722a0971fffe" removed.
Mar 11 15:17:36 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:17:36 guacnginx guacd[1648]: Connection ID is 
"$453c4492-ba0d-4434-b96e-56f8305a399a"
Mar 11 15:17:36 guacnginx guacd[1732]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:17:36 guacnginx guacd[1732]: Resize method: none
Mar 11 15:17:36 guacnginx guacd[1732]: User 
"@62de95af-4ed5-4f3b-88f0-918df20d4e79" joined connection 
"$453c4492-ba0d-4434-b96e-56f8305a399a" (1 users now present)
Mar 11 15:17:36 guacnginx guacd[1732]: Loading keymap "base"
Mar 11 15:17:36 guacnginx guacd[1732]: Loading keymap "en-us-qwerty"
Mar 11 15:17:39 guacnginx guacd[1732]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:17:39 guacnginx guacd[1732]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:17:39 guacnginx guacd[1732]: Connected to RDPDR 1.12 as client 
0x6e49a81a
Mar 11 15:17:39 guacnginx guacd[1732]: RDPDR user logged on
Mar 11 15:20:48 guacnginx guacd[1732]: Connection closed.
Mar 11 15:20:48 guacnginx guacd[1732]: User 
"@62de95af-4ed5-4f3b-88f0-918df20d4e79" disconnected (0 users remain)
Mar 11 15:20:48 guacnginx guacd[1732]: Last user of connection 
"$453c4492-ba0d-4434-b96e-56f8305a399a" disconnected
Mar 11 15:20:48 guacnginx guacd[1732]: Internal RDP client disconnected
Mar 11 15:20:48 guacnginx guacd[1648]: Connection 
"$453c4492-ba0d-4434-b96e-56f8305a399a" removed.
Mar 11 15:20:50 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:20:50 guacnginx guacd[1648]: Connection ID is 
"$7c93d660-aded-46a7-9f5d-9d4344156dfb"
Mar 11 15:20:50 guacnginx guacd[1772]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:20:50 guacnginx guacd[1772]: Resize method: none
Mar 11 15:20:50 guacnginx guacd[1772]: User 
"@5b7a563b-05bf-4c8b-8d48-0c5c275281ab" joined connection 
"$7c93d660-aded-46a7-9f5d-9d4344156dfb" (1 users now present)
Mar 11 15:20:50 guacnginx guacd[1772]: Loading keymap "base"
Mar 11 15:20:50 guacnginx guacd[1772]: Loading keymap "en-us-qwerty"
Mar 11 15:20:53 guacnginx guacd[1772]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:20:53 guacnginx guacd[1772]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:20:53 guacnginx guacd[1772]: Connected to RDPDR 1.12 as client 
0x24a58877
Mar 11 15:20:53 guacnginx guacd[1772]: RDPDR user logged on
Mar 11 15:20:55 guacnginx guacd[1772]: Connection closed.
Mar 11 15:20:55 guacnginx guacd[1772]: Internal RDP client disconnected
Mar 11 15:20:55 guacnginx guacd[1772]: User 
"@5b7a563b-05bf-4c8b-8d48-0c5c275281ab" disconnected (0 users remain)
Mar 11 15:20:55 guacnginx guacd[1772]: Last user of connection 
"$7c93d660-aded-46a7-9f5d-9d4344156dfb" disconnected
Mar 11 15:20:55 guacnginx guacd[1648]: Connection 
"$7c93d660-aded-46a7-9f5d-9d4344156dfb" removed.
Mar 11 15:20:56 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:20:56 guacnginx guacd[1648]: Connection ID is 
"$e9e69a2f-12a6-4f13-8bc7-6015afbf6241"
Mar 11 15:20:56 guacnginx guacd[1790]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:20:56 guacnginx guacd[1790]: Resize method: none
Mar 11 15:20:56 guacnginx guacd[1790]: User 
"@ffdcc3ea-1505-4afb-8274-9cc5b401a162" joined connection 
"$e9e69a2f-12a6-4f13-8bc7-6015afbf6241" (1 users now present)
Mar 11 15:20:56 guacnginx guacd[1790]: Loading keymap "base"
Mar 11 15:20:56 guacnginx guacd[1790]: Loading keymap "en-us-qwerty"
Mar 11 15:20:59 guacnginx guacd[1790]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:20:59 guacnginx guacd[1790]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:20:59 guacnginx guacd[1790]: Connected to RDPDR 1.12 as client 
0xba7c1e6e
Mar 11 15:20:59 guacnginx guacd[1790]: RDPDR user logged on
Mar 11 15:21:00 guacnginx guacd[1790]: Connection closed.
Mar 11 15:21:00 guacnginx guacd[1790]: User 
"@ffdcc3ea-1505-4afb-8274-9cc5b401a162" disconnected (0 users remain)
Mar 11 15:21:00 guacnginx guacd[1790]: Last user of connection 
"$e9e69a2f-12a6-4f13-8bc7-6015afbf6241" disconnected
Mar 11 15:21:00 guacnginx guacd[1790]: Internal RDP client disconnected
Mar 11 15:21:00 guacnginx guacd[1648]: Connection 
"$e9e69a2f-12a6-4f13-8bc7-6015afbf6241" removed.
Mar 11 15:21:02 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:21:02 guacnginx guacd[1648]: Connection ID is 
"$036b6635-f70a-42df-808f-a324340581d5"
Mar 11 15:21:02 guacnginx guacd[1808]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:21:02 guacnginx guacd[1808]: Resize method: none
Mar 11 15:21:02 guacnginx guacd[1808]: User 
"@01428ba7-a985-420a-b992-adcc1315d4d0" joined connection 
"$036b6635-f70a-42df-808f-a324340581d5" (1 users now present)
Mar 11 15:21:02 guacnginx guacd[1808]: Loading keymap "base"
Mar 11 15:21:02 guacnginx guacd[1808]: Loading keymap "en-us-qwerty"
Mar 11 15:21:05 guacnginx guacd[1808]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:21:05 guacnginx guacd[1808]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:21:05 guacnginx guacd[1808]: Connected to RDPDR 1.12 as client 
0x194574cc
Mar 11 15:21:05 guacnginx guacd[1808]: RDPDR user logged on
Mar 11 15:21:06 guacnginx guacd[1808]: Connection closed.
Mar 11 15:21:06 guacnginx guacd[1808]: Internal RDP client disconnected
Mar 11 15:21:06 guacnginx guacd[1808]: User 
"@01428ba7-a985-420a-b992-adcc1315d4d0" disconnected (0 users remain)
Mar 11 15:21:06 guacnginx guacd[1808]: Last user of connection 
"$036b6635-f70a-42df-808f-a324340581d5" disconnected
Mar 11 15:21:06 guacnginx guacd[1648]: Connection 
"$036b6635-f70a-42df-808f-a324340581d5" removed.
Mar 11 15:21:08 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:21:08 guacnginx guacd[1648]: Connection ID is 
"$718da573-1222-49ba-a889-9c42115ed42c"
Mar 11 15:21:08 guacnginx guacd[1825]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:21:08 guacnginx guacd[1825]: Resize method: none
Mar 11 15:21:08 guacnginx guacd[1825]: User 
"@ad1595a4-bd79-4a14-8a79-69e6d330b367" joined connection 
"$718da573-1222-49ba-a889-9c42115ed42c" (1 users now present)
Mar 11 15:21:08 guacnginx guacd[1825]: Loading keymap "base"
Mar 11 15:21:08 guacnginx guacd[1825]: Loading keymap "en-us-qwerty"
Mar 11 15:21:10 guacnginx guacd[1825]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:21:10 guacnginx guacd[1825]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:21:10 guacnginx guacd[1825]: Connected to RDPDR 1.12 as client 
0x8d80bcc6
Mar 11 15:21:10 guacnginx guacd[1825]: RDPDR user logged on
Mar 11 15:22:08 guacnginx guacd[1825]: Connection closed.
Mar 11 15:22:08 guacnginx guacd[1825]: User 
"@ad1595a4-bd79-4a14-8a79-69e6d330b367" disconnected (0 users remain)
Mar 11 15:22:08 guacnginx guacd[1825]: Last user of connection 
"$718da573-1222-49ba-a889-9c42115ed42c" disconnected
Mar 11 15:22:08 guacnginx guacd[1825]: Internal RDP client disconnected
Mar 11 15:22:08 guacnginx guacd[1648]: Connection 
"$718da573-1222-49ba-a889-9c42115ed42c" removed.
Mar 11 15:22:11 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:22:11 guacnginx guacd[1648]: Connection ID is 
"$8d654e15-e9ba-4c92-8a75-8c078ea6fa00"
Mar 11 15:22:11 guacnginx guacd[1843]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:22:11 guacnginx guacd[1843]: Resize method: none
Mar 11 15:22:11 guacnginx guacd[1843]: User 
"@d29bde29-8251-4ddd-8029-b23ec8c1dd99" joined connection 
"$8d654e15-e9ba-4c92-8a75-8c078ea6fa00" (1 users now present)
Mar 11 15:22:11 guacnginx guacd[1843]: Loading keymap "base"
Mar 11 15:22:11 guacnginx guacd[1843]: Loading keymap "en-us-qwerty"
Mar 11 15:22:13 guacnginx guacd[1843]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:22:13 guacnginx guacd[1843]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:22:13 guacnginx guacd[1843]: Connected to RDPDR 1.12 as client 
0x544390df
Mar 11 15:22:13 guacnginx guacd[1843]: RDPDR user logged on
Mar 11 15:22:29 guacnginx guacd[1843]: Connection closed.
Mar 11 15:22:29 guacnginx guacd[1843]: User 
"@d29bde29-8251-4ddd-8029-b23ec8c1dd99" disconnected (0 users remain)
Mar 11 15:22:29 guacnginx guacd[1843]: Last user of connection 
"$8d654e15-e9ba-4c92-8a75-8c078ea6fa00" disconnected
Mar 11 15:22:29 guacnginx kernel: [3274025.505723] guacd[6823]: segfault at 
7f40bc004f54 ip 00007f40bc004f54 sp 00007f40aa131a88 error 15
Mar 11 15:22:29 guacnginx guacd[1648]: Connection 
"$8d654e15-e9ba-4c92-8a75-8c078ea6fa00" removed.
Mar 11 15:22:31 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:22:31 guacnginx guacd[1648]: Connection ID is 
"$ed0f978c-cdab-43a0-b5fe-6b96198cf897"
Mar 11 15:22:31 guacnginx guacd[1861]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:22:31 guacnginx guacd[1861]: Resize method: none
Mar 11 15:22:31 guacnginx guacd[1861]: User 
"@ca51296b-e811-4a4b-9570-bed9fe8797a5" joined connection 
"$ed0f978c-cdab-43a0-b5fe-6b96198cf897" (1 users now present)
Mar 11 15:22:31 guacnginx guacd[1861]: Loading keymap "base"
Mar 11 15:22:31 guacnginx guacd[1861]: Loading keymap "en-us-qwerty"
Mar 11 15:22:34 guacnginx guacd[1861]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:22:34 guacnginx guacd[1861]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:22:34 guacnginx guacd[1861]: Connected to RDPDR 1.12 as client 
0xa5018086
Mar 11 15:22:34 guacnginx guacd[1861]: RDPDR user logged on
Mar 11 15:23:11 guacnginx guacd[1861]: Connection closed.
Mar 11 15:23:11 guacnginx guacd[1861]: Internal RDP client disconnected
Mar 11 15:23:11 guacnginx guacd[1861]: User 
"@ca51296b-e811-4a4b-9570-bed9fe8797a5" disconnected (0 users remain)
Mar 11 15:23:11 guacnginx guacd[1861]: Last user of connection 
"$ed0f978c-cdab-43a0-b5fe-6b96198cf897" disconnected
Mar 11 15:23:11 guacnginx guacd[1648]: Connection 
"$ed0f978c-cdab-43a0-b5fe-6b96198cf897" removed.
Mar 11 15:23:14 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:23:14 guacnginx guacd[1648]: Connection ID is 
"$77ce06bf-1656-4cfc-8946-04f999987e07"
Mar 11 15:23:14 guacnginx guacd[1880]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:23:14 guacnginx guacd[1880]: Resize method: none
Mar 11 15:23:14 guacnginx guacd[1880]: User 
"@a9ba864c-62bd-46a8-a655-65e8c457a599" joined connection 
"$77ce06bf-1656-4cfc-8946-04f999987e07" (1 users now present)
Mar 11 15:23:14 guacnginx guacd[1880]: Loading keymap "base"
Mar 11 15:23:14 guacnginx guacd[1880]: Loading keymap "en-us-qwerty"
Mar 11 15:23:16 guacnginx guacd[1880]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:23:16 guacnginx guacd[1880]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:23:16 guacnginx guacd[1880]: Connected to RDPDR 1.12 as client 
0x8db3f18f
Mar 11 15:23:16 guacnginx guacd[1880]: RDPDR user logged on
Mar 11 15:23:24 guacnginx guacd[1880]: Connection closed.
Mar 11 15:23:24 guacnginx guacd[1880]: Internal RDP client disconnected
Mar 11 15:23:24 guacnginx guacd[1880]: User 
"@a9ba864c-62bd-46a8-a655-65e8c457a599" disconnected (0 users remain)
Mar 11 15:23:24 guacnginx guacd[1880]: Last user of connection 
"$77ce06bf-1656-4cfc-8946-04f999987e07" disconnected
Mar 11 15:23:24 guacnginx guacd[1648]: Connection 
"$77ce06bf-1656-4cfc-8946-04f999987e07" removed.
Mar 11 15:23:26 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:23:26 guacnginx guacd[1648]: Connection ID is 
"$f66b3968-e2b5-4fc9-ab54-ce03a25eef9c"
Mar 11 15:23:26 guacnginx guacd[1898]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:23:26 guacnginx guacd[1898]: Resize method: none
Mar 11 15:23:26 guacnginx guacd[1898]: User 
"@dba03cb1-ebde-439a-b08f-48dfac2b050d" joined connection 
"$f66b3968-e2b5-4fc9-ab54-ce03a25eef9c" (1 users now present)
Mar 11 15:23:26 guacnginx guacd[1898]: Loading keymap "base"
Mar 11 15:23:26 guacnginx guacd[1898]: Loading keymap "en-us-qwerty"
Mar 11 15:23:29 guacnginx guacd[1898]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:23:29 guacnginx guacd[1898]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:23:29 guacnginx guacd[1898]: Connected to RDPDR 1.12 as client 
0xaecf07e3
Mar 11 15:23:29 guacnginx guacd[1898]: RDPDR user logged on
Mar 11 15:24:05 guacnginx guacd[1898]: Connection closed.
Mar 11 15:24:05 guacnginx guacd[1898]: Internal RDP client disconnected
Mar 11 15:24:05 guacnginx guacd[1898]: User 
"@dba03cb1-ebde-439a-b08f-48dfac2b050d" disconnected (0 users remain)
Mar 11 15:24:05 guacnginx guacd[1898]: Last user of connection 
"$f66b3968-e2b5-4fc9-ab54-ce03a25eef9c" disconnected
Mar 11 15:24:05 guacnginx guacd[1648]: Connection 
"$f66b3968-e2b5-4fc9-ab54-ce03a25eef9c" removed.
Mar 11 15:24:09 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:24:09 guacnginx guacd[1648]: Connection ID is 
"$617bfd5d-d203-48a4-86e7-19a0447ac3fe"
Mar 11 15:24:09 guacnginx guacd[1920]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:24:09 guacnginx guacd[1920]: Resize method: none
Mar 11 15:24:09 guacnginx guacd[1920]: User 
"@d6f91ede-c0b3-49f6-b16c-13e29165aabc" joined connection 
"$617bfd5d-d203-48a4-86e7-19a0447ac3fe" (1 users now present)
Mar 11 15:24:09 guacnginx guacd[1920]: Loading keymap "base"
Mar 11 15:24:09 guacnginx guacd[1920]: Loading keymap "en-us-qwerty"
Mar 11 15:24:11 guacnginx guacd[1920]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:24:11 guacnginx guacd[1920]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:24:12 guacnginx guacd[1920]: Connected to RDPDR 1.12 as client 
0x90c3bbca
Mar 11 15:24:12 guacnginx guacd[1920]: RDPDR user logged on
Mar 11 15:24:22 guacnginx guacd[1920]: Connection closed.
Mar 11 15:24:22 guacnginx guacd[1920]: Internal RDP client disconnected
Mar 11 15:24:22 guacnginx guacd[1920]: User 
"@d6f91ede-c0b3-49f6-b16c-13e29165aabc" disconnected (0 users remain)
Mar 11 15:24:22 guacnginx guacd[1920]: Last user of connection 
"$617bfd5d-d203-48a4-86e7-19a0447ac3fe" disconnected
Mar 11 15:24:22 guacnginx guacd[1648]: Connection 
"$617bfd5d-d203-48a4-86e7-19a0447ac3fe" removed.
Mar 11 15:24:24 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:24:24 guacnginx guacd[1648]: Connection ID is 
"$d24cb3e5-b022-43c1-8576-d80e93ef16a8"
Mar 11 15:24:24 guacnginx guacd[1940]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:24:24 guacnginx guacd[1940]: Resize method: none
Mar 11 15:24:24 guacnginx guacd[1940]: User 
"@dfb683a0-8ba6-4951-a026-f2201f38b439" joined connection 
"$d24cb3e5-b022-43c1-8576-d80e93ef16a8" (1 users now present)
Mar 11 15:24:24 guacnginx guacd[1940]: Loading keymap "base"
Mar 11 15:24:24 guacnginx guacd[1940]: Loading keymap "en-us-qwerty"
Mar 11 15:30:36 guacnginx guacd[1940]: User 
"@dfb683a0-8ba6-4951-a026-f2201f38b439" disconnected (0 users remain)
Mar 11 15:30:36 guacnginx guacd[1940]: Last user of connection 
"$d24cb3e5-b022-43c1-8576-d80e93ef16a8" disconnected
Mar 11 15:30:36 guacnginx guacd[1940]: Internal RDP client disconnected
Mar 11 15:30:36 guacnginx guacd[1648]: Connection 
"$d24cb3e5-b022-43c1-8576-d80e93ef16a8" removed.
Mar 11 15:30:37 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:30:37 guacnginx guacd[1648]: Connection ID is 
"$0f92c96d-2ab5-4e71-a878-e23d7c89fe14"
Mar 11 15:30:37 guacnginx guacd[1969]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:30:37 guacnginx guacd[1969]: Resize method: none
Mar 11 15:30:37 guacnginx guacd[1969]: User 
"@cb907194-cf35-41ff-9cbd-0ea11755cfd3" joined connection 
"$0f92c96d-2ab5-4e71-a878-e23d7c89fe14" (1 users now present)
Mar 11 15:30:37 guacnginx guacd[1969]: Loading keymap "base"
Mar 11 15:30:37 guacnginx guacd[1969]: Loading keymap "en-us-qwerty"
Mar 11 15:30:55 guacnginx guacd[1969]: User 
"@cb907194-cf35-41ff-9cbd-0ea11755cfd3" disconnected (0 users remain)
Mar 11 15:30:55 guacnginx guacd[1969]: Last user of connection 
"$0f92c96d-2ab5-4e71-a878-e23d7c89fe14" disconnected
Mar 11 15:30:55 guacnginx guacd[1969]: Internal RDP client disconnected
Mar 11 15:30:55 guacnginx guacd[1648]: Connection 
"$0f92c96d-2ab5-4e71-a878-e23d7c89fe14" removed.
Mar 11 15:30:55 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:30:55 guacnginx guacd[1648]: Connection ID is 
"$30124fdb-f515-4a6f-8933-bac83ec7ffa4"
Mar 11 15:30:55 guacnginx guacd[1987]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:30:55 guacnginx guacd[1987]: Resize method: none
Mar 11 15:30:55 guacnginx guacd[1987]: User 
"@884e4d30-2079-4c9d-897f-3f55e444441a" joined connection 
"$30124fdb-f515-4a6f-8933-bac83ec7ffa4" (1 users now present)
Mar 11 15:30:55 guacnginx guacd[1987]: Loading keymap "base"
Mar 11 15:30:55 guacnginx guacd[1987]: Loading keymap "en-us-qwerty"
Mar 11 15:31:55 guacnginx guacd[1987]: User 
"@884e4d30-2079-4c9d-897f-3f55e444441a" disconnected (0 users remain)
Mar 11 15:31:55 guacnginx guacd[1987]: Last user of connection 
"$30124fdb-f515-4a6f-8933-bac83ec7ffa4" disconnected
Mar 11 15:31:55 guacnginx guacd[1987]: Internal RDP client disconnected
Mar 11 15:31:55 guacnginx guacd[1648]: Connection 
"$30124fdb-f515-4a6f-8933-bac83ec7ffa4" removed.
Mar 11 15:31:56 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:31:56 guacnginx guacd[1648]: Connection ID is 
"$3be8d387-b294-4ff0-b0c2-2c1dfa70f46e"
Mar 11 15:31:56 guacnginx guacd[2012]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:31:56 guacnginx guacd[2012]: Resize method: none
Mar 11 15:31:56 guacnginx guacd[2012]: User 
"@8fbddec2-6801-4cf5-8056-be44246f500d" joined connection 
"$3be8d387-b294-4ff0-b0c2-2c1dfa70f46e" (1 users now present)
Mar 11 15:31:56 guacnginx guacd[2012]: Loading keymap "base"
Mar 11 15:31:56 guacnginx guacd[2012]: Loading keymap "en-us-qwerty"
Mar 11 15:33:01 guacnginx guacd[2012]: User 
"@8fbddec2-6801-4cf5-8056-be44246f500d" disconnected (0 users remain)
Mar 11 15:33:01 guacnginx guacd[2012]: Last user of connection 
"$3be8d387-b294-4ff0-b0c2-2c1dfa70f46e" disconnected
Mar 11 15:33:01 guacnginx guacd[2012]: Internal RDP client disconnected
Mar 11 15:33:01 guacnginx guacd[1648]: Connection 
"$3be8d387-b294-4ff0-b0c2-2c1dfa70f46e" removed.
Mar 11 15:33:02 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:33:02 guacnginx guacd[1648]: Connection ID is 
"$7a37f6fa-c8a5-42e1-a73f-3022cba6da65"
Mar 11 15:33:02 guacnginx guacd[2035]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:33:02 guacnginx guacd[2035]: Resize method: none
Mar 11 15:33:02 guacnginx guacd[2035]: User 
"@78a3ded3-ec9e-458a-aca2-7a64646ff96e" joined connection 
"$7a37f6fa-c8a5-42e1-a73f-3022cba6da65" (1 users now present)
Mar 11 15:33:02 guacnginx guacd[2035]: Loading keymap "base"
Mar 11 15:33:02 guacnginx guacd[2035]: Loading keymap "en-us-qwerty"
Mar 11 15:34:09 guacnginx guacd[2035]: User 
"@78a3ded3-ec9e-458a-aca2-7a64646ff96e" disconnected (0 users remain)
Mar 11 15:34:09 guacnginx guacd[2035]: Last user of connection 
"$7a37f6fa-c8a5-42e1-a73f-3022cba6da65" disconnected
Mar 11 15:34:09 guacnginx guacd[2035]: Internal RDP client disconnected
Mar 11 15:34:09 guacnginx guacd[1648]: Connection 
"$7a37f6fa-c8a5-42e1-a73f-3022cba6da65" removed.
Mar 11 15:34:10 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:34:10 guacnginx guacd[1648]: Connection ID is 
"$5751f50e-94d7-4f1a-807e-d58bb651480d"
Mar 11 15:34:10 guacnginx guacd[2649]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:34:10 guacnginx guacd[2649]: Resize method: none
Mar 11 15:34:10 guacnginx guacd[2649]: User 
"@3443ace5-70c1-440c-824d-06329354a37c" joined connection 
"$5751f50e-94d7-4f1a-807e-d58bb651480d" (1 users now present)
Mar 11 15:34:10 guacnginx guacd[2649]: Loading keymap "base"
Mar 11 15:34:10 guacnginx guacd[2649]: Loading keymap "en-us-qwerty"
Mar 11 15:35:29 guacnginx guacd[2649]: RDP server closed/refused connection: 
Manually logged off.
Mar 11 15:35:29 guacnginx guacd[2649]: Internal RDP client disconnected
Mar 11 15:35:29 guacnginx guacd[2649]: User 
"@3443ace5-70c1-440c-824d-06329354a37c" disconnected (0 users remain)
Mar 11 15:35:29 guacnginx guacd[2649]: Last user of connection 
"$5751f50e-94d7-4f1a-807e-d58bb651480d" disconnected
Mar 11 15:35:29 guacnginx guacd[1648]: Connection 
"$5751f50e-94d7-4f1a-807e-d58bb651480d" removed.
Mar 11 15:35:30 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:35:30 guacnginx guacd[1648]: Connection ID is 
"$419301d5-4174-49bd-9222-a2b3d74f694b"
Mar 11 15:35:30 guacnginx guacd[2914]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:35:30 guacnginx guacd[2914]: Resize method: none
Mar 11 15:35:30 guacnginx guacd[2914]: User 
"@a371a4f7-6ab9-4e4d-867f-c42d060fa0f1" joined connection 
"$419301d5-4174-49bd-9222-a2b3d74f694b" (1 users now present)
Mar 11 15:35:30 guacnginx guacd[2914]: Loading keymap "base"
Mar 11 15:35:30 guacnginx guacd[2914]: Loading keymap "en-us-qwerty"
Mar 11 15:35:34 guacnginx guacd[2914]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:35:34 guacnginx guacd[2914]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:35:34 guacnginx guacd[2914]: Connected to RDPDR 1.12 as client 
0xf5454c71
Mar 11 15:35:34 guacnginx guacd[2914]: RDPDR user logged on
Mar 11 15:36:10 guacnginx guacd[2914]: Connection closed.
Mar 11 15:36:10 guacnginx guacd[2914]: User 
"@a371a4f7-6ab9-4e4d-867f-c42d060fa0f1" disconnected (0 users remain)
Mar 11 15:36:10 guacnginx guacd[2914]: Last user of connection 
"$419301d5-4174-49bd-9222-a2b3d74f694b" disconnected
Mar 11 15:36:10 guacnginx guacd[2914]: Internal RDP client disconnected
Mar 11 15:36:10 guacnginx guacd[1648]: Connection 
"$419301d5-4174-49bd-9222-a2b3d74f694b" removed.
Mar 11 15:36:12 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:36:12 guacnginx guacd[1648]: Connection ID is 
"$7e386d35-27bf-43c7-b9d4-53a69644ec65"
Mar 11 15:36:12 guacnginx guacd[2982]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:36:12 guacnginx guacd[2982]: Resize method: none
Mar 11 15:36:12 guacnginx guacd[2982]: User 
"@23aa2011-fe30-48eb-a31e-8ad8a55badf8" joined connection 
"$7e386d35-27bf-43c7-b9d4-53a69644ec65" (1 users now present)
Mar 11 15:36:12 guacnginx guacd[2982]: Loading keymap "base"
Mar 11 15:36:12 guacnginx guacd[2982]: Loading keymap "en-us-qwerty"
Mar 11 15:36:14 guacnginx guacd[2982]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:36:14 guacnginx guacd[2982]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:36:14 guacnginx guacd[2982]: Connected to RDPDR 1.12 as client 
0xb3b9600b
Mar 11 15:36:14 guacnginx guacd[2982]: RDPDR user logged on
Mar 11 15:36:29 guacnginx guacd[2982]: Connection closed.
Mar 11 15:36:29 guacnginx guacd[2982]: Internal RDP client disconnected
Mar 11 15:36:29 guacnginx guacd[2982]: User 
"@23aa2011-fe30-48eb-a31e-8ad8a55badf8" disconnected (0 users remain)
Mar 11 15:36:29 guacnginx guacd[2982]: Last user of connection 
"$7e386d35-27bf-43c7-b9d4-53a69644ec65" disconnected
Mar 11 15:36:29 guacnginx guacd[1648]: Connection 
"$7e386d35-27bf-43c7-b9d4-53a69644ec65" removed.
Mar 11 15:36:31 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:36:31 guacnginx guacd[1648]: Connection ID is 
"$6f0ea987-6b67-476e-9398-7397716bc5d6"
Mar 11 15:36:31 guacnginx guacd[3000]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:36:31 guacnginx guacd[3000]: Resize method: none
Mar 11 15:36:31 guacnginx guacd[3000]: User 
"@c8f84fe6-e3c5-4a23-b393-cac7e8f2ecce" joined connection 
"$6f0ea987-6b67-476e-9398-7397716bc5d6" (1 users now present)
Mar 11 15:36:31 guacnginx guacd[3000]: Loading keymap "base"
Mar 11 15:36:31 guacnginx guacd[3000]: Loading keymap "en-us-qwerty"
Mar 11 15:36:34 guacnginx guacd[3000]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:36:34 guacnginx guacd[3000]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:36:34 guacnginx guacd[3000]: Connected to RDPDR 1.12 as client 
0x12f6f5d5
Mar 11 15:36:34 guacnginx guacd[3000]: RDPDR user logged on
Mar 11 15:36:46 guacnginx guacd[3000]: Connection closed.
Mar 11 15:36:46 guacnginx guacd[3000]: Internal RDP client disconnected
Mar 11 15:36:46 guacnginx guacd[3000]: User 
"@c8f84fe6-e3c5-4a23-b393-cac7e8f2ecce" disconnected (0 users remain)
Mar 11 15:36:46 guacnginx guacd[3000]: Last user of connection 
"$6f0ea987-6b67-476e-9398-7397716bc5d6" disconnected
Mar 11 15:36:46 guacnginx guacd[1648]: Connection 
"$6f0ea987-6b67-476e-9398-7397716bc5d6" removed.
Mar 11 15:37:02 guacnginx guacd[1648]: Creating new client for protocol "rdp"
Mar 11 15:37:02 guacnginx guacd[1648]: Connection ID is 
"$71616a39-e108-4d4c-a34d-09c44e4d7fa7"
Mar 11 15:37:02 guacnginx guacd[3072]: No security mode specified. Defaulting 
to security mode negotiation with server.
Mar 11 15:37:02 guacnginx guacd[3072]: Resize method: none
Mar 11 15:37:02 guacnginx guacd[3072]: User 
"@a5d35a71-f2f4-4e75-85d7-28df0be4f3c2" joined connection 
"$71616a39-e108-4d4c-a34d-09c44e4d7fa7" (1 users now present)
Mar 11 15:37:02 guacnginx guacd[3072]: Loading keymap "base"
Mar 11 15:37:02 guacnginx guacd[3072]: Loading keymap "en-us-qwerty"
Mar 11 15:37:04 guacnginx guacd[3072]: Accepted format: 16-bit PCM with 2 
channels at 44100 Hz
Mar 11 15:37:04 guacnginx guacd[3072]: Accepted format: 16-bit PCM with 2 
channels at 22050 Hz
Mar 11 15:37:04 guacnginx guacd[3072]: Connected to RDPDR 1.12 as client 
0x326b5b28
Mar 11 15:37:04 guacnginx guacd[3072]: RDPDR user logged on
Mar 11 15:37:47 guacnginx guacd[3072]: Connection closed.
Mar 11 15:37:47 guacnginx guacd[3072]: User 
"@a5d35a71-f2f4-4e75-85d7-28df0be4f3c2" disconnected (0 users remain)
Mar 11 15:37:47 guacnginx guacd[3072]: Last user of connection 
"$71616a39-e108-4d4c-a34d-09c44e4d7fa7" disconnected
Mar 11 15:37:47 guacnginx guacd[3072]: Internal RDP client disconnected
Mar 11 15:37:47 guacnginx guacd[1648]: Connection 
"$71616a39-e108-4d4c-a34d-09c44e4d7fa7" removed.

> Microphone Input Crashes Guacamole Session when clicking around
> ---------------------------------------------------------------
>
>                 Key: GUACAMOLE-1309
>                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-1309
>             Project: Guacamole
>          Issue Type: Bug
>          Components: guacamole-client
>    Affects Versions: 1.3.0
>            Reporter: TheDrode
>            Priority: Major
>
> Hello!
>  
> Using Guacamole 1.3.0 + XRDP + Pulseaudio xrdp sink with Linuxmint audio 
> works great but, when the microphone is enabled it crashes as soon as you 
> click something on the screen (sound quality is OK).
> Trying the same with another rdp client can get microphone with no problem.
> This is the last log i see on journalctl -xe tomcat9:
>  
> Mar 11 15:16:21 guacnginx tomcat9[193]: Exception in thread "Thread-4" 
> java.lang.IllegalStateException: Message will not be sent because the 
> WebSocket session has been closed
> Mar 11 15:16:21 guacnginx tomcat9[193]: at 
> org.apache.tomcat.websocket.WsRemoteEndpointImplBase.writeMessagePart(WsRemoteEndpointImplBase.java:430)
> Mar 11 15:16:21 guacnginx tomcat9[193]: at 
> org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendMessageBlock(WsRemoteEndpointImplBase.java:309)
> Mar 11 15:16:21 guacnginx tomcat9[193]: at 
> org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendMessageBlock(WsRemoteEndpointImplBase.java:250)
> Mar 11 15:16:21 guacnginx tomcat9[193]: at 
> org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendString(WsRemoteEndpointImplBase.java:191)
> Mar 11 15:16:21 guacnginx tomcat9[193]: at 
> org.apache.tomcat.websocket.WsRemoteEndpointBasic.sendText(WsRemoteEndpointBasic.java:37)
> Mar 11 15:16:21 guacnginx tomcat9[193]: at 
> org.apache.guacamole.websocket.GuacamoleWebSocketTunnelEndpoint.sendInstruction(GuacamoleWebSocketTunnelEndpoint.java:152)
> Mar 11 15:16:21 guacnginx tomcat9[193]: at 
> org.apache.guacamole.websocket.GuacamoleWebSocketTunnelEndpoint.access$200(GuacamoleWebSocketTunnelEndpoint.java:53)
> Mar 11 15:16:21 guacnginx tomcat9[193]: at 
> org.apache.guacamole.websocket.GuacamoleWebSocketTunnelEndpoint$2.run(GuacamoleWebSocketTunnelEndpoint.java:253)
> Mar 11 15:16:21 guacnginx tomcat9[193]: 15:16:21.444 [http-nio-8080-exec-8] 
> INFO o.a.g.tunnel.TunnelRequestService - User "drode" disconnected from 
> connection "1". Duration: 32050 milliseconds
> Mar 11 15:16:22 guacnginx tomcat9[193]: 15:16:22.257 [http-nio-8080-exec-9] 
> INFO o.a.g.tunnel.TunnelRequestService - User "drode" connected to connection 
> "1".
> Mar 11 15:16:30 guacnginx tomcat9[193]: 15:16:30.769 [http-nio-8080-exec-1] 
> INFO o.a.g.tunnel.TunnelRequestService - User "drode" disconnected from 
> connection "1". Duration: 8512 milliseconds
> Mar 11 15:16:30 guacnginx tomcat9[193]: Exception in thread "Thread-6" 
> java.lang.IllegalStateException: Message will not be sent because the 
> WebSocket session has been closed
> Mar 11 15:16:30 guacnginx tomcat9[193]: at 
> org.apache.tomcat.websocket.WsRemoteEndpointImplBase.writeMessagePart(WsRemoteEndpointImplBase.java:430)
> Mar 11 15:16:30 guacnginx tomcat9[193]: at 
> org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendMessageBlock(WsRemoteEndpointImplBase.java:309)
> Mar 11 15:16:30 guacnginx tomcat9[193]: at 
> org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendMessageBlock(WsRemoteEndpointImplBase.java:250)
> Mar 11 15:16:30 guacnginx tomcat9[193]: at 
> org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendString(WsRemoteEndpointImplBase.java:191)
> Mar 11 15:16:30 guacnginx tomcat9[193]: at 
> org.apache.tomcat.websocket.WsRemoteEndpointBasic.sendText(WsRemoteEndpointBasic.java:37)
> Mar 11 15:16:30 guacnginx tomcat9[193]: at 
> org.apache.guacamole.websocket.GuacamoleWebSocketTunnelEndpoint.sendInstruction(GuacamoleWebSocketTunnelEndpoint.java:152)
> Mar 11 15:16:30 guacnginx tomcat9[193]: at 
> org.apache.guacamole.websocket.GuacamoleWebSocketTunnelEndpoint.access$200(GuacamoleWebSocketTunnelEndpoint.java:53)
> Mar 11 15:16:30 guacnginx tomcat9[193]: at 
> org.apache.guacamole.websocket.GuacamoleWebSocketTunnelEndpoint$2.run(GuacamoleWebSocketTunnelEndpoint.java:253)
> Mar 11 15:16:31 guacnginx tomcat9[193]: 15:16:31.475 [http-nio-8080-exec-5] 
> INFO o.a.g.tunnel.TunnelRequestService - User "drode" connected to connection 
> "1".
>  
> Thanks so much for the help.
>  



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