JDK-6778495 : JDialog disappears when JCombox has focus
  • Type: Bug
  • Component: client-libs
  • Sub-Component: java.awt
  • Affected Version: 6u10
  • Priority: P2
  • Status: Closed
  • Resolution: Duplicate
  • OS: windows_xp
  • CPU: x86
  • Submitted: 2008-12-01
  • Updated: 2011-01-19
  • Resolved: 2008-12-09
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JDK 6
6u14Resolved
Related Reports
Duplicate :  
Relates :  
Description
FULL PRODUCT VERSION :
java version "1.6.0_10"
Java(TM) SE Runtime Environment (build 1.6.0_10-b33)
Java HotSpot(TM) Client VM (build 11.0-b15, mixed mode, sharing)

ADDITIONAL OS VERSION INFORMATION :
Windows XP 64-bit, Windows XP SP3

EXTRA RELEVANT SYSTEM CONFIGURATION :
IE 6 and 7

A DESCRIPTION OF THE PROBLEM :
An applet has a JDialog which contains a JComboBox. In update 10, when selecting the combo box in the dialog, sometimes the dialog disappears. This did not happen using previous 1.6 versions.

Upon further investigation, it looks like when the combo box is selected, the dialog moves behind the browser making it appear as if it has disappeared. The z order when the combo box is selected is: combo box (top), applet/browser and dialog.

I also found other people experiencing the same problem:
http://forums.java.net/jive/thread.jspa?messageID=257353&tstart=0


REPRODUCIBILITY :
This bug can be reproduced often.

Release Regression From : 6u7
The above release value was the last known release where this 
bug was not reproducible. Since then there has been a regression.

Comments
EVALUATION It's diplicate of 6770457. Unapplying the changes for 6580930 eliminates the problem.
09-12-2008

EVALUATION the issue is most likely a duplicate of 6770457; 6770457 currently is under investigations.
04-12-2008

EVALUATION I reproduced this bug with JDK 6u10 and IE, that applet doesn't work with Firefox so it is unclear if this issue IE specific JDialog is gone only if combobox's popup overlaps dialog's bounds (it becomes heavyweight popup in this case) reassigned to AWT
02-12-2008