Thank you for the report.
I have created an issue on it: 8064468 ownedWindowList access
requires synchronization in Window.setAlwaysOnTop() method
https://bugs.openjdk.java.net/browse/JDK-8064468
Thanks,
Alexandr.
On 11/10/2014 4:14 PM, Holger Brands wrote:
Hello,
we observed the following exception on Java8u25 :
java.util.ConcurrentModificationException
at java.util.Vector$Itr.checkForComodification(Unknown Source)
at java.util.Vector$Itr.next(Unknown Source)
at java.awt.Window.setAlwaysOnTop(Unknown Source)
at de.eurodata.commons.swing.SwingUtils$1.run(SwingUtils.java:344)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$400(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown
Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at
de.eurodata.commons.swing.event.AWTThrowableHandler.dispatchEvent(AWTThrowableHandler.java:28)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
It seems to me that java.awt.Windows.setAlwaysOnTop iterates over
"ownedWindowList" without proper synchronisation.
What do you think?
Thanks,
Holger
