Hello,
Problem: the windows for applications built in java do not update on the remote viewer. The title bar and window frame does, but the contents are grey unless you move a mouse pointer over the window. Then the pixels directly under the mouse update for that instant, leaving a thin trail of the correct window (at that moment) which do not update further.
I've seen this not only with the custom java app that's important to me but also with Java Web Start (with j2re 1.4.2_09) and the NetBeans IDE.
I've found 2 other posts referencing the same problem, but they have not seemed to find a solution yet.:
[topic=6141][/topic]
[topic=5115][/topic]
Turning on Capture Alpha Blending did not affect the problem
I also tried variations on the user properties (other than turning off hook driver) to no effect (e.g. System HookDll on or off, Poll Foreground Window on/off, etc.)
Setup details:
UltraVNC 1.0.1 sever, tabbed viewer 1.28 viewer.
Both client and server are on 3-monitor PCs running WinXP sp2.
(I will later be wanting to use this in a Win2k environment)
Using the hook aka mirror driver - this does NOT happen w/o the driver.
However the CPU load w/o the hook driver is too high, also w/o the
hook driver I cannot see all 3 monitors at once (nor the middle one at all)
If the cause is known, even if a fix is not available, please advise.
If any further detail would help, I'd be happy to provide it.
Many thanks,
Tim
tharline AT yahoo NO SPAM DOT com
Update: UltraVNC 1.4.3.6 and UltraVNC SC 1.4.3.6: https://forum.uvnc.com/viewtopic.php?t=37885
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Windows for java based applications do not update. Help?
Looks to be fixed
Some of this is Windows specific, but it may have more general use as well:
The problem was hardware acceleration wasn't turned off.
The catch was that it appears that only java apps were using it, so only java-app windows were having problems.
There was a second catch:
This is a multi-monitor setup.
For this setup, the way I turned off hardware accel (down to the "no DirectX" level") was in the
Display control panel: Settings Tab -> advanced button -> troubleshooting tab.
But in here, you can turn it off for monitor 1, and it is still on for monitors 2 and 3. So things were odd until I went back in and turned it off for all 3 monitors. Now all is well.
The problem was hardware acceleration wasn't turned off.
The catch was that it appears that only java apps were using it, so only java-app windows were having problems.
There was a second catch:
This is a multi-monitor setup.
For this setup, the way I turned off hardware accel (down to the "no DirectX" level") was in the
Display control panel: Settings Tab -> advanced button -> troubleshooting tab.
But in here, you can turn it off for monitor 1, and it is still on for monitors 2 and 3. So things were odd until I went back in and turned it off for all 3 monitors. Now all is well.