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https://issues.apache.org/jira/browse/GUACAMOLE-414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16227048#comment-16227048
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Daniël van Vuuren commented on GUACAMOLE-414:
---------------------------------------------
Same problem here.
Using tigervnc 1.8.0 on ubuntu 16.04, unity (as per
http://c-nergy.be/blog/?p=10611)
Errors in syslog the same as above.
Log from vncserver:
{{Connections: closed: [::1]::48022 (readTLS: (unknown error code) (961))
EncodeManager: Framebuffer updates: 419
EncodeManager: CopyRect:
EncodeManager: Copies: 1 rects, 285.19 kpixels
EncodeManager: 16 B (1:71298.2 ratio)
EncodeManager: ZRLE:
EncodeManager: Indexed RLE: 1 rects, 8.192 kpixels
EncodeManager: 356 B (1:92.0787 ratio)
EncodeManager: Full Colour: 455 rects, 6.44292 Mpixels
EncodeManager: 2.78513 MiB (1:8.82653 ratio)
EncodeManager: Total: 457 rects, 6.7363 Mpixels
EncodeManager: 2.78548 MiB (1:9.2272 ratio)
TLS: TLS session wasn't terminated gracefully
ComparingUpdateTracker: 1.78984 Gpixels in / 8.86054 Mpixels out
ComparingUpdateTracker: (1:202.001 ratio)}}
> Certain VNC servers result in disconnection due to TLS errors
> -------------------------------------------------------------
>
> Key: GUACAMOLE-414
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-414
> Project: Guacamole
> Issue Type: Bug
> Components: guacamole-server, guacd
> Affects Versions: 0.9.13-incubating
> Environment: unRAID 6.4rc9 Docker container
> Reporter: Jason Bean
> Priority: Minor
>
> Connecting to certain VNC servers such as Ubuntu Desktop (all versions I have
> ever run) and a CentOS based Browser Docker
> ([https://hub.docker.com/r/consol/centos-xfce-vnc/]) cause frequent TLS
> errors and consequently disconnections. The errors in the log are as follows:
> {noformat}
> Oct 12 14:54:59 2004ff6050af guacd[8440]: Error reading from TLS: The TLS
> connection was non-properly terminated..
> Oct 12 14:54:59 2004ff6050af guacd[8440]: read (4: Interrupted system call)
> Oct 12 14:54:59 2004ff6050af guacd[8440]: Error handling message from VNC
> server.
> Oct 12 14:54:59 2004ff6050af guacd[8440]: Internal VNC client disconnected
> {noformat}
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