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via Oracle Community by Raj Jamadagni, 1 year ago
java.lang.NullPointerException: 	at com.oracle.jdeveloper.nbwindowsystem.NbEditorContainer.componentHidden(NbEditorContainer.java:447)	at org.openide.windows.WindowManager.componentHidden(WindowManager.java:352)	at org.netbeans.core.windows.WindowManagerImpl.componentHidden(WindowManagerImpl.java:1206)	at org.netbeans.core.windows.view.DefaultView.changeGUI(DefaultView.java:535)	at org.netbeans.core.windows.ViewRequestor.dispatchRequest(ViewRequestor.java:275)	at org.netbeans.core.windows.ViewRequestor.processRequest(ViewRequestor.java:251)	at org.netbeans.core.windows.ViewRequestor.dispatchRequest(ViewRequestor.java:279)	at org.netbeans.core.windows.ViewRequestor.processVisibilityRequest(ViewRequestor.java:264)	at org.netbeans.core.windows.ViewRequestor.postVisibilityRequest(ViewRequestor.java:201)	at org.netbeans.core.windows.ViewRequestor.scheduleRequest(ViewRequestor.java:121)	at org.netbeans.core.windows.Central.setVisible(Central.java:140)	at org.netbeans.core.windows.WindowManagerImpl.setVisible(WindowManagerImpl.java:926)	at org.netbeans.core.windows.WindowSystemImpl.show(WindowSystemImpl.java:105)	at org.netbeans.core.GuiRunLevel$InitWinSys.run(GuiRunLevel.java:246)	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)	at java.awt.EventQueue.access$200(EventQueue.java:103)	at java.awt.EventQueue$3.run(EventQueue.java:694)	at java.awt.EventQueue$3.run(EventQueue.java:692)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)	at oracle.javatools.internal.ui.EventQueueWrapper._dispatchEvent(EventQueueWrapper.java:169)	at oracle.javatools.internal.ui.EventQueueWrapper.dispatchEvent(EventQueueWrapper.java:151)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)