[jira] [Created] (NETBEANS-5723) Spurious "Set sun.java2d.noddraw=true to enable transparent windows" exception in IDE log

["Eirik Bakke (Jira)" <ji...@apache.org>]

Eirik Bakke created NETBEANS-5723:
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             Summary: Spurious "Set sun.java2d.noddraw=true to enable transparent windows" exception in IDE log
                 Key: NETBEANS-5723
                 URL: https://issues.apache.org/jira/browse/NETBEANS-5723
             Project: NetBeans
          Issue Type: Improvement
          Components: platform - Window System
    Affects Versions: 12.2
         Environment: Windows 10 on OpenJDK 11.0.11.
            Reporter: Eirik Bakke


On Windows, when dragging window system tags with the mouse, the following spurious error message may appear on the console running the NetBeans IDE or a NetBeans Platform application:
{noformat}
java.lang.UnsupportedOperationException: Set sun.java2d.noddraw=true to enable transparent windowsjava.lang.UnsupportedOperationException: Set sun.java2d.noddraw=true to enable transparent windows at com.sun.jna.platform.WindowUtils$W32WindowUtils.setWindowAlpha(WindowUtils.java:796) at com.sun.jna.platform.WindowUtils.setWindowAlpha(WindowUtils.java:1940)[catch] at org.netbeans.core.nativeaccess.NativeWindowSystemImpl.setWindowAlpha(NativeWindowSystemImpl.java:88) at org.netbeans.core.windows.view.dnd.DragAndDropFeedbackVisualizer.createDragWindow(DragAndDropFeedbackVisualizer.java:89) at org.netbeans.core.windows.view.dnd.DragAndDropFeedbackVisualizer.start(DragAndDropFeedbackVisualizer.java:110) at org.netbeans.core.windows.view.dnd.TopComponentDragSupport.doStartDrag(TopComponentDragSupport.java:402) at org.netbeans.core.windows.view.dnd.TopComponentDragSupport.eventDispatched(TopComponentDragSupport.java:327) at java.desktop/java.awt.Toolkit$SelectiveAWTEventListener.eventDispatched(Toolkit.java:2194) at java.desktop/java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2086) at java.desktop/java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2085) at java.desktop/java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2085) at java.desktop/java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2085) at java.desktop/java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2085) at java.desktop/java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2085) at java.desktop/java.awt.Toolkit.notifyAWTEventListeners(Toolkit.java:2042) at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4917) at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2321) at java.desktop/java.awt.Component.dispatchEvent(Component.java:4843) at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4918) at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4564) at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4488) at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2307) at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2772) at java.desktop/java.awt.Component.dispatchEvent(Component.java:4843) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:772) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:95) at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:745) at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:743) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:742) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:136) at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203) at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124) at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90){noformat}
The tab preview window that is shown next to the mouse cursor is actually transparent as intended.

At some point I'll get around to getting rid of this log message...



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