java.lang.NullPointerException

GitHub | elharo | 1 week ago
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  1. 0

    [core] Null pointer exception when adding an existing review group

    Eclipse Bugzilla | 5 years ago | lmcbout
    java.lang.NullPointerException
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    Error is Checkstyle preference page

    eclipse-cs | 4 years ago | beryozad
    java.lang.NoSuchFieldError: org/eclipse/core/runtime/preferences/InstanceScope.INSTANCE
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    Eclipse Indigo plug-in Error: "org.eclipse.jface"

    Stack Overflow | 5 years ago | ChristopherF
    java.lang.IllegalArgumentException: Path must include project and resource name: /FYPconnectedAppEngine-Android
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    Exception thrown after remove and upgrade to V3

    GitHub | 5 months ago | branflake2267
    java.lang.NoSuchMethodError: com.google.gwt.eclipse.core.properties.GWTProjectProperties.getFacetSyncCodeServer(Lorg/eclipse/core/resources/IProject;)Ljava/lang/Boolean;

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.eclipse.core.internal.preferences.EclipsePreferences.put()
    2. Eclipse Preferences Mechanism
      EclipsePreferences.put
      1. org.eclipse.core.internal.preferences.EclipsePreferences.put(EclipsePreferences.java:908)
      1 frame
    3. com.google.cloud
      DeployPropertyPage.performOk
      1. com.google.cloud.tools.eclipse.appengine.deploy.standard.StandardDeployPreferences.setProjectId(StandardDeployPreferences.java:71)
      2. com.google.cloud.tools.eclipse.appengine.deploy.ui.DeployPreferencesModel.savePreferences(DeployPreferencesModel.java:54)
      3. com.google.cloud.tools.eclipse.appengine.deploy.ui.StandardDeployPreferencesPanel.savePreferences(StandardDeployPreferencesPanel.java:235)
      4. com.google.cloud.tools.eclipse.appengine.deploy.ui.DeployPropertyPage.performOk(DeployPropertyPage.java:114)
      4 frames
    4. JFace
      PreferenceDialog$12.run
      1. org.eclipse.jface.preference.PreferenceDialog$12.run(PreferenceDialog.java:925)
      1 frame
    5. Eclipse Core
      SafeRunner.run
      1. org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
      1 frame
    6. Eclipse UI
      JFaceUtil$1.run
      1. org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)
      1 frame
    7. JFace
      PreferenceDialog.okPressed
      1. org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173)
      2. org.eclipse.jface.preference.PreferenceDialog.okPressed(PreferenceDialog.java:909)
      2 frames
    8. Workbench
      FilteredPreferenceDialog.okPressed
      1. org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog.okPressed(FilteredPreferenceDialog.java:409)
      1 frame
    9. JFace
      Dialog$2.widgetSelected
      1. org.eclipse.jface.preference.PreferenceDialog.buttonPressed(PreferenceDialog.java:233)
      2. org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:619)
      2 frames
    10. RWT
      Display.readAndDispatch
      1. org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248)
      2. org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
      3. org.eclipse.swt.widgets.Display.sendEvent(Display.java:4230)
      4. org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1491)
      5. org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1514)
      6. org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1499)
      7. org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1299)
      8. org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4072)
      9. org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3698)
      9 frames
    11. JFace
      Window.open
      1. org.eclipse.jface.window.Window.runEventLoop(Window.java:827)
      2. org.eclipse.jface.window.Window.open(Window.java:803)
      2 frames
    12. Eclipse UI
      PropertyDialogAction.run
      1. org.eclipse.ui.dialogs.PropertyDialogAction.run(PropertyDialogAction.java:157)
      1 frame
    13. JFace
      ActionContributionItem$5.handleEvent
      1. org.eclipse.jface.action.Action.runWithEvent(Action.java:473)
      2. org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:595)
      3. org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:511)
      4. org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:420)
      4 frames
    14. RWT
      Display.readAndDispatch
      1. org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
      2. org.eclipse.swt.widgets.Display.sendEvent(Display.java:4230)
      3. org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1491)
      4. org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1514)
      5. org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1499)
      6. org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1299)
      7. org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4072)
      8. org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3698)
      8 frames
    15. Eclipse Workbench SWT
      PartRenderingEngine$4.run
      1. org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1127)
      1 frame
    16. Databinding
      Realm.runWithDefault
      1. org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
      1 frame
    17. Eclipse Workbench SWT
      PartRenderingEngine.run
      1. org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018)
      1 frame
    18. Eclipse Workbench
      E4Workbench.createAndRunUI
      1. org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)
      1 frame
    19. Eclipse UI
      Workbench$5.run
      1. org.eclipse.ui.internal.Workbench$5.run(Workbench.java:694)
      1 frame
    20. Databinding
      Realm.runWithDefault
      1. org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
      1 frame
    21. Eclipse UI
      Workbench.createAndRunWorkbench
      1. org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:606)
      1 frame
    22. Eclipse UI
      PlatformUI.createAndRunWorkbench
      1. org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
      1 frame
    23. Eclipse IDE
      IDEApplication.start
      1. org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:139)
      1 frame
    24. Equinox Container
      EclipseAppHandle.run
      1. org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
      1 frame
    25. 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:380)
      4. org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
      4 frames
    26. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:606)
      4 frames
    27. Equinox
      Main.main
      1. org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)
      2. org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)
      3. org.eclipse.equinox.launcher.Main.run(Main.java:1515)
      4. org.eclipse.equinox.launcher.Main.main(Main.java:1488)
      4 frames