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Michael Jumper commented on GUACAMOLE-414: ------------------------------------------ Perhaps libvncclient doesn't like receiving data and sending input events in separate threads when TLS is in use? > 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, 0.9.14 > 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} -- This message was sent by Atlassian JIRA (v7.6.3#76005)