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From Tony Hooker <>
Subject Guacamole HTTP tunnel not Websockets
Date Wed, 14 Jun 2017 15:47:02 GMT
We are running into a curious issue with users in Guac experiencing extreme lag after opening
3+ connections in multiple tabs. We looked at the /var/log/tomcat8/catalina.out log and we
found that our server is not passing the tunnel servlet via websockets.

16:14:22.737 [http-nio-8080-exec-8] INFO  o.a.g.t.h.RestrictedGuacamoleHTTPTunnelServlet -
Using HTTP tunnel (not WebSocket). Performance may be sub-optimal.

We then checked our Nginx web service and made sure all the proper websocket configurations
were in place, and it checked out.

My next thought was maybe tomcat8 isn't setup properly for websockets. Has anyone had this
issue and could reply with some insight?

Tony Hooker
Director of Information Technology Services
Mobile:  480-469-2609, Desk: 602-386-2951
[Dynamic Worldwide Training Consultants]<>[]<>[]<>[]<>[]<>[]<>

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