<AWT Dev>  Review Request: 8211435 Exception in thread "AWT-EventQueue-1" java.lang.IllegalArgumentException: null source
bourges.laurent at gmail.com
Thu Oct 25 12:11:28 UTC 2018
(I am not a Reviewer).
Thanks for both the bug report and the fix, it looks good for me.
Le mer. 24 oct. 2018 à 23:32, Sergey Bylokhov <Sergey.Bylokhov at oracle.com>
a écrit :
> Please review the fix for jdk 12.
> Bug: https://bugs.openjdk.java.net/browse/JDK-8211435
> Webrev: http://cr.openjdk.java.net/~serb/8211435/webrev.00
> Bug description:
> In the DefaultKeyboardFocusManager class we have a special field
> "activeWindow", which stores the currently active window. It is used in two
> similar cases:
> 1. If the java window gets "WINDOW_ACTIVATED" event it will try to send
> "WINDOW_DEACTIVATED" to the old active window, which is stored in the
> "activeWindow" field.
> 2. If the java component lost the focus, and the opposite component is
> not a java component, then it will try to send "WINDOW_DEACTIVATED" to the
> old active window, which is stored in the "activeWindow" field.
> The difference in these two cases is that in "case 1" we check the old
> active window to null, and the second case has no such check. The bug is
> reproduced in non-standalone mode, when we have a few Appcontexts and this
> field might be updated by different EDT in parallel.
> Note that the test is for OSX only, because of another bug: JDK-8204142
>  https://bugs.openjdk.java.net/browse/JDK-8204142
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