I'd try using an independent window next, the startup sounds oddly like
a seamless window gone wrong.
Not sure why the application would enter a suspended state - I'd have to
suspect the windows load balancer simply because that's the new factor
in the equation, but I really can't think of how it may cause this.
Are you using any RR DNS or other webtop load-balancing techniques for
the client connections? Are your xterms on different application hosts,
or do they run on the SGD server itself?
Should also take a look at the Windows Event logs, sometimes they can
provide a clue - in particular, I'm wondering if somethings going wrong
with the seamless windows VC ...
Rick
Christian McHugh wrote:
Hi all.
We are running an sgd 4.31 array with with two members. Unix
connections with xterms work wonderfully. However, we are having
problems with windows connections.
We have an application called Westpoint Bridge Designer. It models
bridge design and simulates load on the bridge. It appeared to work
fine in the past (last semester) and I'm not sure what might have
changed.
Our problem is that as soon as you click on the application in the
users webtop, the application shows its splash screen and then
immediately disappears. Looking at the webtop, it still displays the
suspend and resume controls as if the application is still running,
and if you click on the green resume arrow, the main (right) area of
the webtop shows the sgd loading screen with the progress indicator
that sweeps back and forth. Then, sgd displays the bridge app again.
Displays that is, until you click something, and then the process
starts again.
Running the application from rdesktop with a full windows session the
bridge designer app works perfectly. Furthermore, bridge designer is
not the only windows application with this problem. Also published are
matlab and mathmatica, and each act in a simular fashion.
At the end of last semester we took our two windows terminal servers
and put them into a terminal server array. We are now capable of
addressing the entire terminal server array with a
windows.cens.nau.edu name, and each still respond to their individual
hostnames. SGD uses individual hosts with the windows load
balancer/seamless window provider to perform its own load balancing,
and I don't see how the windows array business should affect sgd.
I've tried to log sgd when the windows application disappears and I've
attached that log. It starts with a "MUPP close request" which makes
it sound as if sgd itself is closing the connection to the windows
server.
If anyone has any recommendations I'm all ears. I'm currently out of
ideas of what to try next.
Thanks,
Christian McHugh
Northern Arizona University
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