[jira] [Created] (NETBEANS-5139) NPE for LAF on platform application

["Sonja Diedrich (Jira)" <ji...@apache.org>]

Sonja Diedrich created NETBEANS-5139:
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             Summary: NPE for LAF on platform application
                 Key: NETBEANS-5139
                 URL: https://issues.apache.org/jira/browse/NETBEANS-5139
             Project: NetBeans
          Issue Type: Bug
    Affects Versions: 12.2, 11.3, 12.0
         Environment: macOS Catalina 10.15.7
JDK 13 and JDK 14
            Reporter: Sonja Diedrich


The error occurs in a platform application and only occurs on *macOS*.
 Linux and Windows are not affected. 
 The exception occurs in the GUI when interacting with different components. The first NullPointerException is thrown when interacting with different dropdown menus, the second one with popup windows. Additionally, the color of various JTappedPane changes when the exceptions are thrown. 
 Once the NullPointerExeception has occurred, it is no longer possible to interact with the components.

Adding {{~UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());~}} changes this behavior only conditionally.

{{SEVERE [global]java.lang.NullPointerException at java.desktop/com.apple.laf.AquaMenuPainter.paintSelectedMenuItemBackground(AquaMenuPainter.java:157) at java.desktop/com.apple.laf.AquaComboBoxRendererInternal.paintComponent(AquaComboBoxRendererInternal.java:147) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1074) at java.desktop/javax.swing.CellRendererPane.paintComponent(CellRendererPane.java:165) at java.desktop/javax.swing.plaf.basic.BasicListUI.paintCell(BasicListUI.java:288) at java.desktop/javax.swing.plaf.basic.BasicListUI.paintImpl(BasicListUI.java:378) at java.desktop/javax.swing.plaf.basic.BasicListUI.paint(BasicListUI.java:301) at java.desktop/javax.swing.plaf.ComponentUI.update(ComponentUI.java:161) at java.desktop/javax.swing.JComponent.paintComponent(JComponent.java:797) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1074) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:907) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1083) at java.desktop/javax.swing.JViewport.paint(JViewport.java:737) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:907) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1083) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:907) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1083) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:907) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1083) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:907) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1083) at java.desktop/javax.swing.JLayeredPane.paint(JLayeredPane.java:590) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:907) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1083) at java.desktop/javax.swing.JComponent.paintToOffscreen(JComponent.java:5255) at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBufferedImpl(RepaintManager.java:1643) at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1618) at java.desktop/javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1556) at java.desktop/javax.swing.RepaintManager.paint(RepaintManager.java:1323) at java.desktop/javax.swing.JComponent._paintImmediately(JComponent.java:5203) at java.desktop/javax.swing.JComponent.paintImmediately(JComponent.java:5013) at java.desktop/javax.swing.RepaintManager$4.run(RepaintManager.java:865) at java.desktop/javax.swing.RepaintManager$4.run(RepaintManager.java:848) at java.base/java.security.AccessController.doPrivileged(AccessController.java:391) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:848) at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:823) at java.desktop/javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:772) at java.desktop/javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1884) at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715) at java.base/java.security.AccessController.doPrivileged(AccessController.java:391) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:136)[catch] 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)SEVERE [global]java.lang.NullPointerException at org.netbeans.swing.plaf.aqua.AquaToolBarButtonUI.makeDarker(AquaToolBarButtonUI.java:163) at org.netbeans.swing.plaf.aqua.AquaToolBarButtonUI.paintBackground(AquaToolBarButtonUI.java:136) at org.netbeans.swing.plaf.aqua.AquaToolBarButtonUI.paint(AquaToolBarButtonUI.java:84) at java.desktop/javax.swing.plaf.ComponentUI.update(ComponentUI.java:161) at java.desktop/javax.swing.JComponent.paintComponent(JComponent.java:797) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1074) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:907) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1083) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:907) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1083) at org.netbeans.core.windows.view.ui.toolbars.ToolbarContainer.paint(ToolbarContainer.java:304) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:907) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1083) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:907) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1083) at java.desktop/javax.swing.JComponent.paintToOffscreen(JComponent.java:5255) at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBufferedImpl(RepaintManager.java:1643) at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1618) at java.desktop/javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1556) at java.desktop/javax.swing.RepaintManager.paint(RepaintManager.java:1323) at java.desktop/javax.swing.JComponent._paintImmediately(JComponent.java:5203) at java.desktop/javax.swing.JComponent.paintImmediately(JComponent.java:5013) at java.desktop/javax.swing.RepaintManager$4.run(RepaintManager.java:865) at java.desktop/javax.swing.RepaintManager$4.run(RepaintManager.java:848) at java.base/java.security.AccessController.doPrivileged(AccessController.java:391) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:848) at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:823) at java.desktop/javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:772) at java.desktop/javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1884) at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715) at java.base/java.security.AccessController.doPrivileged(AccessController.java:391) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:136)[catch] 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)}}



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