On Thu, Feb 8, 2018 at 12:18 AM, fou fe <fouh...@live.fr> wrote: > I have one zombie connection in GUI guacamole client . > I kill it from GUI ,but it's appear after few seconds. > > I think there is no active connection but it's still exist in mysql > database. > > If you kill the connection within the GUI, but it reappears, it isn't because the connection still exists within the database. The set of active connections is actually maintained only in memory, and the connection can be reappearing only because it is actually being reestablished.
Perhaps the user on the other end of that connection is hitting "reconnect" after the connection is closed? - Mike