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.
