[THIN] Java Application UI Painting Problem with Citrix
- From: Kuenzli Stephen-r55125 <Stephen.Kuenzli@xxxxxxxxxxxxx>
- To: "'thin@xxxxxxxxxxxxx'" <thin@xxxxxxxxxxxxx>
- Date: Tue, 25 Jan 2005 11:19:48 -0700
Good afternoon,
My team is currently specifying the infrastructure for a thin client deployment
and we ran into some unexpected behaviour when performing our Citrix testing.
We're having trouble accepting that this is normal behaviour for Citrix.
Problem:
We encountered unacceptable UI painting issues with our Java applications.
When scrolling tables, the right half of the table would smear and require a
minimize/restore operation to fix (i.e., force a repaint of the window).
Additionally, when moving a window around the desktop, the window would
"bounce" into place as if there were some sort of elasticity to the movement.
The application bouncing problem is present for all apps, not just the Java
ones.
Software:
* Server - Windows 2003 Enterprise with MetaFrame Presentation Server 3.0
* Clients - Windows XP, Windows XPe with native ICA client, version 8.0
* Published items - Full desktop that ran a batch script upon user login.
The batch script launched two Java apps, IE, and two X-apps. The batch script
was used to facilitate testing and will not be used in production. The Java
applications are using Sun JRE 1.5.0, the Swing toolkit, and are being launched
via JavaWebStart.
Hardware:
* Server - HP BL20 blades under no appreciable load (<10% CPU util, < 20%
memory util)
* Clients - mix of current HP desktops and thin clients; the problem is
present on all clients
Does anyone have any ideas of what the problem is? I get the sense that we're
missing some obvious configuration point because straight Terminal Server
performance on the same hardware was very good.
Thanks,
Stephen
-------------------------------------------
Stephen Kuenzli
Software Engineer, Development, MES/UI
E-mail: stephen.kuenzli@xxxxxxxxxxxxx
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