JDK-6709851 : Applet is flickering on resizing IE browser
  • Type: Bug
  • Component: deploy
  • Sub-Component: plugin
  • Affected Version: 6u10
  • Priority: P3
  • Status: Closed
  • Resolution: Duplicate
  • OS: windows_vista
  • CPU: x86
  • Submitted: 2008-06-03
  • Updated: 2010-04-04
  • Resolved: 2008-06-10
Related Reports
Duplicate :  
Description
This CR is to track the flickering issue with our jdk demo ImageMap applet. It appears to be specific on Windows Vista/ IE 7 (OK on XP/IE7)    The flickering image to occur when one resizes IE 7 browser either vertically or horizontally. It doesn't occur with Firefox. 

Tested jre: 6u10-b25/ deployment nightly 06/01  (both new plug-in and classic plug-in)
            earlier verisons of 6ux and 5ux (also reproducible)
       browser: IE 7


Steps to reproduce:
1) Install jre 6u10-b25 on Vista
2) Using IE 7 to load our jdk ImageMap demo
http://java.sun.com/applets/jdk/1.4/demo/applets/ImageMap/example1.html
3) Try to rezise the IE 7 browser either vertically or horizontally

If the ImageMap applet is flickering, the problem is reproducible.

Comments
EVALUATION This happens in both new and old plugins. When resizing IE window, the applet cavnas keep erasing background which casues applet flicker. The workaround is to set -Dsun.awt.noerasebackground=true
10-06-2008