java.lang.NullPointerException

GitHub | feilimb | 2 months ago
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  1. 0

    NullPointerException when starting Eclipse with open Snippets View

    Eclipse Bugzilla | 3 years ago | johannes.dorn
    java.lang.NullPointerException
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    How open Swf in custom plugin eclipse

    Stack Overflow | 9 months ago | CarlosD
    org.eclipse.swt.SWTException: Class ID not found in registry
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    Can't use 'File -> Open File...'

    GitHub | 7 months ago | Krzmbrzl
    org.eclipse.core.runtime.AssertionFailedException: null argument:The given model may not be null!

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.opcoach.e34tools.views.PluginDataProvider.getChildren()
    2. com.opcoach.e34tools
      MigrationStatsView.createPartControl
      1. com.opcoach.e34tools.views.PluginDataProvider.getChildren(PluginDataProvider.java:98)
      2. com.opcoach.e34tools.views.MigrationStatsView.createDeprecatedDashBoard(MigrationStatsView.java:453)
      3. com.opcoach.e34tools.views.MigrationStatsView.createPartControl(MigrationStatsView.java:152)
      3 frames
    3. org.eclipse.ui
      CompatibilityPart.create
      1. org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.createPartControl(CompatibilityPart.java:150)
      2. org.eclipse.ui.internal.e4.compatibility.CompatibilityView.createPartControl(CompatibilityView.java:143)
      3. org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:340)
      3 frames
    4. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      4. java.lang.reflect.Method.invoke(Unknown Source)
      4 frames
    5. org.eclipse.e4
      ContextInjectionFactory.make
      1. org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
      2. org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:966)
      3. org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:931)
      4. org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:151)
      5. org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:375)
      6. org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:294)
      7. org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:162)
      7 frames
    6. Eclipse Workbench
      ReflectionContributionFactory.create
      1. org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:105)
      2. org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:74)
      3. org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:56)
      3 frames
    7. org.eclipse.e4
      ContributedPartRenderer.createWidget
      1. org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.createWidget(ContributedPartRenderer.java:129)
      1 frame
    8. Eclipse Workbench SWT
      PartRenderingEngine$1.run
      1. org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:975)
      2. org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:651)
      3. org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$1.run(PartRenderingEngine.java:536)
      3 frames
    9. Eclipse Core
      SafeRunner.run
      1. org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
      1 frame
    10. Eclipse Workbench SWT
      PartRenderingEngine.createGui
      1. org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:520)
      1 frame
    11. org.eclipse.e4
      ElementReferenceRenderer.createWidget
      1. org.eclipse.e4.ui.workbench.renderers.swt.ElementReferenceRenderer.createWidget(ElementReferenceRenderer.java:70)
      1 frame
    12. Eclipse Workbench SWT
      PartRenderingEngine$2.run
      1. org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:975)
      2. org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:651)
      3. org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:757)
      4. org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:728)
      5. org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:722)
      5 frames
    13. Eclipse Core
      SafeRunner.run
      1. org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
      1 frame
    14. Eclipse Workbench SWT
      PartRenderingEngine.createGui
      1. org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:706)
      1 frame
    15. org.eclipse.e4
      UIEventHandler$1.run
      1. org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.showTab(StackRenderer.java:1317)
      2. org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer$1.handleEvent(LazyStackRenderer.java:72)
      3. org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:40)
      3 frames
    16. RWT
      Synchronizer.syncExec
      1. org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:233)
      1 frame
    17. Eclipse UI
      UISynchronizer.syncExec
      1. org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:145)
      1 frame
    18. RWT
      Display.syncExec
      1. org.eclipse.swt.widgets.Display.syncExec(Display.java:4821)
      1 frame
    19. Eclipse Workbench SWT
      E4Application$1.syncExec
      1. org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:211)
      1 frame
    20. org.eclipse.e4
      UIEventHandler.handleEvent
      1. org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:36)
      1 frame
    21. org.eclipse.equinox
      EventHandlerTracker.dispatchEvent
      1. org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:201)
      2. org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197)
      3. org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1)
      3 frames
    22. Eclipse OSGi
      ListenerQueue.dispatchEventSynchronous
      1. org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
      2. org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
      2 frames
    23. org.eclipse.equinox
      EventComponent.sendEvent
      1. org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135)
      2. org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78)
      3. org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39)
      3 frames
    24. org.eclipse.e4
      EventBroker.send
      1. org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:94)
      1 frame
    25. Eclipse Workbench
      UIEventPublisher.notifyChanged
      1. org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:60)
      1 frame
    26. org.eclipse.emf.common
      BasicNotifierImpl.eNotify
      1. org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374)
      1 frame
    27. org.eclipse.e4
      ElementContainerImpl.setSelectedElement
      1. org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl.setSelectedElement(ElementContainerImpl.java:173)
      1 frame
    28. Eclipse Workbench
      PartServiceImpl.showPart
      1. org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.showElementInWindow(ModelServiceImpl.java:617)
      2. org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.bringToTop(ModelServiceImpl.java:581)
      3. org.eclipse.e4.ui.internal.workbench.PartServiceImpl.delegateBringToTop(PartServiceImpl.java:770)
      4. org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:744)
      5. org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:682)
      6. org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:677)
      7. org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:1205)
      7 frames
    29. Eclipse UI
      WorkbenchPage$12.run
      1. org.eclipse.ui.internal.WorkbenchPage.showPart(WorkbenchPage.java:1283)
      2. org.eclipse.ui.internal.WorkbenchPage.busyShowView(WorkbenchPage.java:1274)
      3. org.eclipse.ui.internal.WorkbenchPage$12.run(WorkbenchPage.java:4316)
      3 frames
    30. RWT
      BusyIndicator.showWhile
      1. org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
      1 frame
    31. Eclipse UI
      WorkbenchPage.showView
      1. org.eclipse.ui.internal.WorkbenchPage.showView(WorkbenchPage.java:4312)
      2. org.eclipse.ui.internal.WorkbenchPage.showView(WorkbenchPage.java:4292)
      2 frames
    32. Workbench
      E4HandlerProxy.execute
      1. org.eclipse.ui.handlers.ShowViewHandler.openView(ShowViewHandler.java:132)
      2. org.eclipse.ui.handlers.ShowViewHandler.openOther(ShowViewHandler.java:110)
      3. org.eclipse.ui.handlers.ShowViewHandler.execute(ShowViewHandler.java:77)
      4. org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:295)
      5. org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:90)
      5 frames
    33. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      4. java.lang.reflect.Method.invoke(Unknown Source)
      4 frames
    34. org.eclipse.e4
      HandlerServiceHandler.execute
      1. org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
      2. org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:282)
      3. org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:264)
      4. org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132)
      5. org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:152)
      5 frames
    35. Commands
      ParameterizedCommand.executeWithChecks
      1. org.eclipse.core.commands.Command.executeWithChecks(Command.java:494)
      2. org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:488)
      2 frames
    36. org.eclipse.e4
      HandlerServiceImpl.executeHandler
      1. org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210)
      1 frame
    37. Workbench
      LegacyHandlerService.executeCommand
      1. org.eclipse.ui.internal.handlers.LegacyHandlerService.executeCommand(LegacyHandlerService.java:353)
      1 frame
    38. Eclipse UI
      ShowViewMenu$3.run
      1. org.eclipse.ui.internal.ShowViewMenu$3.run(ShowViewMenu.java:147)
      1 frame
    39. JFace
      ActionContributionItem.lambda$4
      1. org.eclipse.jface.action.Action.runWithEvent(Action.java:473)
      2. org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:565)
      3. org.eclipse.jface.action.ActionContributionItem.lambda$4(ActionContributionItem.java:397)
      3 frames
    40. RWT
      Display.readAndDispatch
      1. org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
      2. org.eclipse.swt.widgets.Display.sendEvent(Display.java:4418)
      3. org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079)
      4. org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4236)
      5. org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3824)
      5 frames
    41. Eclipse Workbench SWT
      PartRenderingEngine$4.run
      1. org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1121)
      1 frame
    42. Databinding
      Realm.runWithDefault
      1. org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
      1 frame
    43. Eclipse Workbench SWT
      PartRenderingEngine.run
      1. org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022)
      1 frame
    44. Eclipse Workbench
      E4Workbench.createAndRunUI
      1. org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:150)
      1 frame
    45. Eclipse UI
      Workbench$5.run
      1. org.eclipse.ui.internal.Workbench$5.run(Workbench.java:693)
      1 frame
    46. Databinding
      Realm.runWithDefault
      1. org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
      1 frame
    47. Eclipse UI
      Workbench.createAndRunWorkbench
      1. org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:610)
      1 frame
    48. Eclipse UI
      PlatformUI.createAndRunWorkbench
      1. org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
      1 frame
    49. Eclipse IDE
      IDEApplication.start
      1. org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:138)
      1 frame
    50. Equinox Container
      EclipseAppHandle.run
      1. org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
      1 frame
    51. Eclipse OSGi
      EclipseStarter.run
      1. org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
      2. org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
      3. org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
      4. org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
      4 frames
    52. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      4. java.lang.reflect.Method.invoke(Unknown Source)
      4 frames
    53. Equinox
      Main.run
      1. org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673)
      2. org.eclipse.equinox.launcher.Main.basicRun(Main.java:610)
      3. org.eclipse.equinox.launcher.Main.run(Main.java:1519)
      3 frames