<html><head></head><body>Hi,<br><br>We have a integration test which hangs with Java 9 b159 under macOS 10.12.3.<br>It does not hang with b157 and also works with Windows OS & b159.<br>We can reproduce it always with our integration test.<br><br>I want to ask if this is already a known regression?<br>Otherwise I can try to provide a simple test case to reproduce it but this would take some time.<br><br>The relevant thread stacks are: <br><br>"AWT-EventQueue-0" #13 prio=6 os_prio=31 tid=0x00007fa86ea7e000 nid=0xd203 runnable [0x0000700010632000]<br>   java.lang.Thread.State: RUNNABLE<br>    at sun.lwawt.macosx.CWrapper$NSWindow.isZoomed(java.desktop@9-ea/Native Method)<br>    at sun.lwawt.macosx.CPlatformWindow.isMaximized(java.desktop@9-ea/CPlatformWindow.java:509)<br>    at sun.lwawt.macosx.CPlatformWindow.setVisible(java.desktop@9-ea/CPlatformWindow.java:558)<br>    at sun.lwawt.LWWindowPeer.setVisibleImpl(java.desktop@9-ea/LWWindowPeer.java:253)<br>    at sun.lwawt.LWComponentPeer.setVisible(java.desktop@9-ea/LWComponentPeer.java:763)<br>    at java.awt.Component.hide(java.desktop@9-ea/Component.java:1705)<br>    - locked <0x00000007a48a2c20> (a java.awt.Component$AWTTreeLock)<br>    at java.awt.Window.hide(java.desktop@9-ea/Window.java:1118)<br>    at java.awt.Dialog.hide(java.desktop@9-ea/Dialog.java:1152)<br>    at java.awt.Window.hide(java.desktop@9-ea/Window.java:1110)<br>    - locked <0x00000007a802e218> (a java.util.Vector)<br>    at java.awt.Dialog.hide(java.desktop@9-ea/Dialog.java:1152)<br>    at java.awt.Component.show(java.desktop@9-ea/Component.java:1670)<br>    at java.awt.Component.setVisible(java.desktop@9-ea/Component.java:1615)<br>    at java.awt.Window.setVisible(java.desktop@9-ea/Window.java:1017)<br>    at java.awt.Dialog.setVisible(java.desktop@9-ea/Dialog.java:1005)<br>    <br>"AppKit Thread" #11 daemon prio=5 os_prio=31 tid=0x00007fa87076b000 nid=0x307 waiting for monitor entry [0x00007fff5e87e000]<br>   java.lang.Thread.State: BLOCKED (on object monitor)<br>    at java.awt.Window.getOwnedWindows_NoClientCode(java.desktop@9-ea/Window.java:1478)<br>    - waiting to lock <0x00000007a802e218> (a java.util.Vector)<br>    at java.awt.Window$1.getOwnedWindows(java.desktop@9-ea/Window.java:4127)<br>    at sun.lwawt.macosx.CPlatformWindow.orderAboveSiblingsImpl(java.desktop@9-ea/CPlatformWindow.java:1153)<br>    at sun.lwawt.macosx.CPlatformWindow.orderAboveSiblings(java.desktop@9-ea/CPlatformWindow.java:1118)<br>    at sun.lwawt.macosx.CPlatformWindow.windowDidBecomeMain(java.desktop@9-ea/CPlatformWindow.java:1182)<br><br>Thanks<br>Reto<br><br></body></html>