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https://issues.apache.org/jira/browse/GUACAMOLE-1276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17277086#comment-17277086
 ] 

wuxiaobai commented on GUACAMOLE-1276:
--------------------------------------

Tue Feb 02 12:25:19 UTC 2021 WARN: Establishing SSL connection without server's 
identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ 
and 5.7.6+ requirements SSL connection must be established by default if 
explicit option isn't set. For compliance with existing applications not using 
SSL the verifyServerCertificate property is set to 'false'. You need either to 
explicitly disable SSL by setting useSSL=false, or set useSSL=true and provide 
truststore for server certificate verification.Tue Feb 02 12:25:19 UTC 2021 
WARN: Establishing SSL connection without server's identity verification is not 
recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL 
connection must be established by default if explicit option isn't set. For 
compliance with existing applications not using SSL the verifyServerCertificate 
property is set to 'false'. You need either to explicitly disable SSL by 
setting useSSL=false, or set useSSL=true and provide truststore for server 
certificate verification.12:25:37.811 [http-nio-8080-exec-9] INFO  
o.a.g.r.auth.AuthenticationService - User "guacadmin" successfully 
authenticated from 192.168.100.99.Tue Feb 02 12:25:37 UTC 2021 WARN: 
Establishing SSL connection without server's identity verification is not 
recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL 
connection must be established by default if explicit option isn't set. For 
compliance with existing applications not using SSL the verifyServerCertificate 
property is set to 'false'. You need either to explicitly disable SSL by 
setting useSSL=false, or set useSSL=true and provide truststore for server 
certificate verification.12:25:55.910 [http-nio-8080-exec-4] INFO  
o.a.g.tunnel.TunnelRequestService - User "guacadmin" connected to connection 
"1".Exception in thread "Thread-5" java.lang.IllegalStateException: Message 
will not be sent because the WebSocket session has been closed at 
org.apache.tomcat.websocket.WsRemoteEndpointImplBase.writeMessagePart(WsRemoteEndpointImplBase.java:438)
 at 
org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendMessageBlock(WsRemoteEndpointImplBase.java:311)
 at 
org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendMessageBlock(WsRemoteEndpointImplBase.java:251)
 at 
org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendString(WsRemoteEndpointImplBase.java:192)
 at 
org.apache.tomcat.websocket.WsRemoteEndpointBasic.sendText(WsRemoteEndpointBasic.java:37)
 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)12:26:11.317
 [http-nio-8080-exec-9] INFO  o.a.g.tunnel.TunnelRequestService - User 
"guacadmin" disconnected from connection "1". Duration: 15403 
milliseconds12:26:18.415 [http-nio-8080-exec-3] INFO  
o.a.g.tunnel.TunnelRequestService - User "guacadmin" connected to connection 
"1".12:26:33.769 [http-nio-8080-exec-3] INFO  o.a.g.tunnel.TunnelRequestService 
- User "guacadmin" disconnected from connection "1". Duration: 15354 
milliseconds12:26:48.860 [http-nio-8080-exec-8] INFO  
o.a.g.tunnel.TunnelRequestService - User "guacadmin" connected to connection 
"1".

> The upload file size in the rdp protocol exceeds 4GB and cannot be uploaded 
> successfully
> ----------------------------------------------------------------------------------------
>
>                 Key: GUACAMOLE-1276
>                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-1276
>             Project: Guacamole
>          Issue Type: Bug
>          Components: guacamole
>    Affects Versions: 1.2.0, 1.3.0
>         Environment: CentOS 7 / Debian 10 
> Docker
>            Reporter: wuxiaobai
>            Priority: Major
>
> This problem exists regardless of whether it is installed natively or 
> deployed using Docker.
> I seem to have seen the same problem before, but I can’t find it now.
>  
> *Problem Description:*
> Upload any file larger than 4GB, and after reaching the 4GB file in guacamole 
> shared disk inside the file transfer can not continue



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