<AWT Dev> IllegalArgumentException in sun.lwawt.macosx.CPlatformWindow (openjdk-jdk11)

[Sergey Bylokhov]

Hi, Ralf.

It was fixed in jdk13:
https://bugs.openjdk.java.net/browse/JDK-8215200

On 06/12/2018 05:11, Ralf Wisser wrote:
> The siblingsComparator in sun.lwawt.macosx.CPlatformWindow violates the contract if one of the windows is not visible and therefore has no peer:
> 
> |private final Comparator<Window> siblingsComparator = (w1, w2) -> { if (w1 == w2) { return 0; } ComponentAccessor componentAccessor = AWTAccessor.getComponentAccessor(); Object p1 = componentAccessor.getPeer(w1); Object p2 = componentAccessor.getPeer(w2); if (p1 instanceof LWWindowPeer && p2 instanceof LWWindowPeer) { return Long.compare( ((CPlatformWindow) (((LWWindowPeer) p1).getPlatformWindow())).lastBecomeMainTime, ((CPlatformWindow) (((LWWindowPeer) p2).getPlatformWindow())).lastBecomeMainTime); } return 0; }; |
> 
> java.lang.IllegalArgumentException: Comparison method violates its general contract!
> at java.base/java.util.TimSort.mergeHi(TimSort.java:903)
> at java.base/java.util.TimSort.mergeAt(TimSort.java:520)
> at java.base/java.util.TimSort.mergeForceCollapse(TimSort.java:461)
> at java.base/java.util.TimSort.sort(TimSort.java:254)
> at java.base/java.util.Arrays.sort(Arrays.java:1441)
> at java.desktop/sun.lwawt.macosx.CPlatformWindow.orderAboveSiblingsImpl(CPlatformWindow.java:1227)
> at java.desktop/sun.lwawt.macosx.CPlatformWindow.orderAboveSiblings(CPlatformWindow.java:1218)
> at java.desktop/sun.lwawt.macosx.CPlatformWindow.checkBlockingAndOrder(CPlatformWindow.java:1168)
> at java.desktop/sun.lwawt.macosx.CPlatformWindow.setModalBlocked(CPlatformWindow.java:973)
> at java.desktop/sun.lwawt.LWWindowPeer.setModalBlocked(LWWindowPeer.java:461)
> at java.desktop/sun.lwawt.LWWindowPeer.blockWindows(LWWindowPeer.java:652)
> 


-- 
Best regards, Sergey.