FULL PRODUCT VERSION :
java version "1.6.0"
OpenJDK Runtime Environment (build 1.6.0-b10)
OpenJDK 64-Bit Server VM (build 1.6.0-b10, mixed mode)

ImageJ reports Java 1.6.0_06

ADDITIONAL OS VERSION INFORMATION :
Linux doris 2.6.24-19-generic #1 SMP Fri Jul 11 21:01:46 UTC 2008 x86_64 GNU/Linux

Ubuntu Hardy (8.04.1) amd64

EXTRA RELEVANT SYSTEM CONFIGURATION :
This occurs in the GNOME desktop environment with compiz desktop effects enabled, and not with compiz desktop effects disabled.

A DESCRIPTION OF THE PROBLEM :
When ImageJ is run in the GNOME environment with compiz desktop effects enabled, windows are rendered empty about 25% of the time and they are not listed in the taskbar. Disabling compiz desktop effects is a workaround.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Install ImageJ and run it under GNOME+compiz. Open some files, open some plugins. Window contents are often missing.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Window contents should be rendered.
ACTUAL -
Window contents are not rendered.

ERROR MESSAGES/STACK TRACES THAT OCCUR :
None seen.

REPRODUCIBILITY :
This bug can be reproduced often.

CUSTOMER SUBMITTED WORKAROUND :
Use GNOME without compiz.