On Mon, Feb 18, 2019 at 6:34 AM AlexC_ <[email protected]> wrote: > Hi! > > I've been running into problems making Guacamole draw properly UI elements > on certain programs. Right after refreshing the page everything looks fine, > but when any given UI element leaves the screen or is hidden it stops > drawing entierly until you refresh the page again. Here's a screenshot of > the problem: > > < > http://apache-guacamole-general-user-mailing-list.2363388.n4.nabble.com/file/t834/guacamole1.png> > > > Where the buttons on the left are the ones properly drawn and the ones on > the right are missing the black border after opening one of the dropdown > menus. > > As for technical info this is the latest version of ENVI, made by Harris > Geospatial Solutions and running on a Debian 8 machine. Guacamole is at > version 1.0.0 and running on a server with PHP7.1 and Tomcat 8. > > Closest problem I managed to find was > https://sourceforge.net/p/guacamole/discussion/1110834/thread/353c7465/ , > but after enabling most of the enviromental vars listed at the end of the > thread I haven't managed to fix it. > > Anyone has some pointers on what could be the cause of the problem? Thanks > for your time! > > What protocol are you using in Guacamole to connect to the remote system? Presumably either VNC or RDP (with XRDP)? Have you tried messing around with any of the options for either of those protocols that control screen drawing? Some of them are available in Guacamole. Also, presumably this works fine with either a standard RDP or VNC client, and you're only experiencing issues in Guacamole?
Also, have you monitored performance and resource utilization on the Guacamole server, both for Tomcat and guacd? -Nick
