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https://issues.apache.org/jira/browse/GUACAMOLE-791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Barkdoll reopened GUACAMOLE-791:
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Sorry, I thought this was an issue with my reverse proxy not providing remote
host ip addresses properly, but I've now managed to get remote host ip
addresses populated from my nginx reverse proxy to the apache guacamole tomcat
instance and this behavior is still present. I'm reopening this issue since it
appears to indeed be a bug.
> Connection Error from Balancing Connection Group
> ------------------------------------------------
>
> Key: GUACAMOLE-791
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-791
> Project: Guacamole
> Issue Type: Bug
> Reporter: Michael Barkdoll
> Priority: Minor
> Attachments: Selection_999(2249).png, erro1.png, erro2.png
>
>
> I have a balancing connection group (cg1) with 2 VM's inside of it s1 and s2.
> I'm using three different machines (m1, m2, m3), one uses chrome the other
> two are firefox there is no profile sharing between the machines.
> => designates an action performed
> Scenerio 1:
> m1 => (user authenticates) test
> m2 => (user authenticates) test2
> m3 => (user authenticates) test3
> m1 => (user) test => (user initiates rdp connnection to) cg1 => (guacamole
> connection established to vm) s1
> m2 => (user) test2 => (user initiates rdp connnection to) cg1 => (guacamole
> connection established to vm) s2
> m3 => (user) test3 => (user initiates rdp connnection to) cg1 => Expectedly
> fails (all vms are in use)
> m2 => (user) test2 => (logoff rdp connection) s2
> m3 => (user) test3 => (user initiates rdp connnection to) cg1 => (guacamole
> connection established to vm) s2
> m3 => (user) test3 => (logoff rdp connection) s2
> m2 => (user) test2 => (user initiates rdp connnection to) cg1 => (guacamole
> connection established to vm) s2
> Everything appears to be working properly.
> Current active sessions:
> m1 [test][s1]
> m2 [test2][s2]
> But, now if I disconnect from s1 on machine m1, then for user test behavior
> becomes unexpected.
> m1 => (user) test1 => (logoff rdp connection) s1
> Current active sessions:
> m2 [test2][s2]
> Current available sessions:
> [s1]
> m3 => (user) test3 => (user initiates rdp connnection to) cg1 =>
> Connection Error: This connection is currently in use, and concurrent access
> to this connection is not allowed. Please try again later.
> m3 => (user) test3 => (user initiates rdp connnection to) cg1 => Reconnect
> link (nothing, wait 15sec, nothing)
> m3 => (user) test3 => (user initiates rdp connnection to) cg1 => Click Home,
> Wait 15sec
> m3 => (user) test3 => (user initiates rdp connnection to) cg1 =>
> Connection Error: This connection is currently in use, and concurrent access
> to this connection is not allowed. Please try again later.
> m3 => (user) test3 => (logoff guacamole .war frontend via AngularJS
> application)
> m3 => (user authenticates) test3
> m3 => (user) test3 => (user initiates rdp connnection to) cg1 => (guacamole
> connection established to vm) s1
> Current active sessions:
> m2 [test2][s2]
> m3 [test3][s1]
> Now things appear to be working for user test3, since the available s1 vm is
> assigned upon connecting ot the connection group.
> ------------
> Scenerio 2:
> machines: m1, m2, m3
> vms: s1, s2 (in balancing connection group, cg1)
> m1 => auth test
> m2 => auth test2
> m2 => auth test3
> m1 => user test => cg1 => s1
> m2 => user test2 => cg1 => s2
> m2 => user test2 => logoff vm s2
> m3 => user test3 => cg1 => s2
> m3 => user test3 => logoff vm s2
> m2 => user test2 => cg1 => s2
> Current active sessions:
> m1 [test][s1]
> m2 [test2][s2]
> # Logoff s1 (s2 is still active on m2)
> m1 => user test1 => logoff vm s1
> Current active sessions:
> m2 [test2][s2]
> Current available sessions:
> [s1]
> m3 => user test3 => cg1 =>
> Connection Error: This connection is currently in use, and concurrent access
> to this connection is not allowed. Please try again later.
> Ok, that was expected from my previous experience, but now logoff the last
> active session on m2:
> m2 => user test2 => logoff s2
> Current active sessions:
> none
> Current available sessions:
> [s1][s2]
> Now attempt to reconnect with m3, you'd think you'd get s1 with least number
> of connection balancing, but no its s2.
> Wait 15 second (for api sync?)
> m3 => user test3 => cg1 => s2
> Current active sessions:
> m3 [test3][s2]
> Current available sessions:
> [s1]
> Now attempt to connect m2,
> m2 => user test2 => cg1 =>
> Connection Error: This connection is currently in use, and concurrent access
> to this connection is not allowed. Please try again later.
> Attempt to connect m1,
> m1 => user test => cg1 => s1 (works)
> Current active sessions:
> m1 [test][s1]
> m3 [test3][s2]
> I have stickiness enabled on the nginx could that be related?
> https://github.com/michaelbarkdoll/guacamole-reverse-proxy-nginx/blob/master/nginx.conf
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