org.eclipse.core.runtime.AssertionFailedException: null argument:

Stack Overflow | CMZS | 6 months ago
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    After I renamed the package of config classes and tried to open the beans configuration from the project properties, I am not able to open the preference page anymore, but get this exception instead: org.eclipse.core.runtime.AssertionFailedException: null argument: at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:85) at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:73) at org.eclipse.jface.viewers.StructuredViewer.assertElementsNotNull(StructuredViewer.java:599) at org.eclipse.jface.viewers.StructuredViewer.getRawChildren(StructuredViewer.java:1011) at org.eclipse.jface.viewers.ColumnViewer.getRawChildren(ColumnViewer.java:703) at org.eclipse.jface.viewers.AbstractTableViewer.getRawChildren(AbstractTableViewer.java:1087) at org.eclipse.jface.viewers.StructuredViewer.getFilteredChildren(StructuredViewer.java:917) at org.eclipse.jface.viewers.StructuredViewer.getSortedChildren(StructuredViewer.java:1067) at org.eclipse.jface.viewers.AbstractTableViewer.internalRefreshAll(AbstractTableViewer.java:701) at org.eclipse.jface.viewers.AbstractTableViewer.internalRefresh(AbstractTableViewer.java:649) at org.eclipse.jface.viewers.AbstractTableViewer.internalRefresh(AbstractTableViewer.java:636) at org.eclipse.jface.viewers.AbstractTableViewer$2.run(AbstractTableViewer.java:592) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1443) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1404) at org.eclipse.jface.viewers.AbstractTableViewer.inputChanged(AbstractTableViewer.java:590) at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:280) at org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1690) at org.springframework.ide.eclipse.beans.ui.properties.ConfigFilesTab.createControl(ConfigFilesTab.java:239) at org.springframework.ide.eclipse.beans.ui.properties.ProjectPropertyPage.createContents(ProjectPropertyPage.java:109) at org.eclipse.jface.preference.PreferencePage.createControl(PreferencePage.java:232) at org.eclipse.jface.preference.PreferenceDialog.createPageControl(PreferenceDialog.java:1502) at org.eclipse.jface.preference.PreferenceDialog$14.run(PreferenceDialog.java:1259) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.preference.PreferenceDialog.showPage(PreferenceDialog.java:1253) at org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog.showPage(FilteredPreferenceDialog.java:676) at org.eclipse.jface.preference.PreferenceDialog$10.run(PreferenceDialog.java:709) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.jface.preference.PreferenceDialog$9.selectionChanged(PreferenceDialog.java:705) at org.eclipse.jface.viewers.StructuredViewer$3.run(StructuredViewer.java:888) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.viewers.StructuredViewer.firePostSelectionChanged(StructuredViewer.java:886) at org.eclipse.jface.viewers.StructuredViewer.handlePostSelect(StructuredViewer.java:1226) at org.eclipse.jface.viewers.StructuredViewer$5.widgetSelected(StructuredViewer.java:1251) at org.eclipse.jface.util.OpenStrategy.firePostSelectionEvent(OpenStrategy.java:262) at org.eclipse.jface.util.OpenStrategy.access$5(OpenStrategy.java:256) at org.eclipse.jface.util.OpenStrategy$3.run(OpenStrategy.java:433) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3946) at org.eclipse.swt.widgets.Display.observerProc(Display.java:3536) at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) at org.eclipse.swt.widgets.Display.applicationNextEventMatchingMask(Display.java:4875) at org.eclipse.swt.widgets.Display.applicationProc(Display.java:5241) at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:221) at org.eclipse.swt.widgets.Widget.mouseDownSuper(Widget.java:1093) at org.eclipse.swt.widgets.Tree.mouseDownSuper(Tree.java:2052) at org.eclipse.swt.widgets.Widget.mouseDown(Widget.java:1085) at org.eclipse.swt.widgets.Control.mouseDown(Control.java:2538) at org.eclipse.swt.widgets.Tree.mouseDown(Tree.java:2007) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5495) at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:221) at org.eclipse.swt.widgets.Widget.windowSendEvent(Widget.java:2102) at org.eclipse.swt.widgets.Shell.windowSendEvent(Shell.java:2299) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5559) at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) at org.eclipse.swt.widgets.Display.applicationSendEvent(Display.java:5004) at org.eclipse.swt.widgets.Display.applicationProc(Display.java:5153) at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method) at org.eclipse.swt.internal.cocoa.NSApplication.sendEvent(NSApplication.java:128) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3618) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.ui.dialogs.PropertyDialogAction.run(PropertyDialogAction.java:158) at org.eclipse.jface.action.Action.runWithEvent(Action.java:498) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4136) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1458) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1481) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1466) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1271) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3982) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3621) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2701) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2665) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:353) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584) at org.eclipse.equinox.launcher.Main.run(Main.java:1438) at org.eclipse.equinox.launcher.Main.main(Main.java:1414)

    SpringSource Issue Tracker | 4 years ago | Martin Lippert (c)
    org.eclipse.core.runtime.AssertionFailedException: null argument:

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    Root Cause Analysis

    1. org.eclipse.core.runtime.AssertionFailedException

      null argument:

      at org.eclipse.core.runtime.Assert.isNotNull()
    2. Eclipse Core
      Assert.isNotNull
      1. org.eclipse.core.runtime.Assert.isNotNull(Assert.java:85)
      2. org.eclipse.core.runtime.Assert.isNotNull(Assert.java:73)
      2 frames
    3. JFace
      StructuredViewer.setInput
      1. org.eclipse.jface.viewers.StructuredViewer.assertElementsNotNull(StructuredViewer.java:597)
      2. org.eclipse.jface.viewers.StructuredViewer.getRawChildren(StructuredViewer.java:993)
      3. org.eclipse.jface.viewers.ColumnViewer.getRawChildren(ColumnViewer.java:699)
      4. org.eclipse.jface.viewers.AbstractTableViewer.getRawChildren(AbstractTableViewer.java:1095)
      5. org.eclipse.jface.viewers.StructuredViewer.getFilteredChildren(StructuredViewer.java:900)
      6. org.eclipse.jface.viewers.StructuredViewer.getSortedChildren(StructuredViewer.java:1049)
      7. org.eclipse.jface.viewers.AbstractTableViewer.internalRefreshAll(AbstractTableViewer.java:701)
      8. org.eclipse.jface.viewers.AbstractTableViewer.internalRefresh(AbstractTableViewer.java:649)
      9. org.eclipse.jface.viewers.AbstractTableViewer.internalRefresh(AbstractTableViewer.java:636)
      10. org.eclipse.jface.viewers.AbstractTableViewer$1.run(AbstractTableViewer.java:592)
      11. org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1427)
      12. org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1388)
      13. org.eclipse.jface.viewers.CheckboxTableViewer.preservingSelection(CheckboxTableViewer.java:349)
      14. org.eclipse.jface.viewers.AbstractTableViewer.inputChanged(AbstractTableViewer.java:590)
      15. org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:280)
      16. org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1674)
      16 frames
    4. test.app.internal
      SaveDialog.createDialogArea
      1. test.app.internal.widget.dialog.ClientMultiSelectionDialog.createContent(ClientMultiSelectionDialog.java:59)
      2. test.app.internal.widget.tab.SaveDialog.createContent(SaveDialog.java:109)
      3. test.app.internal.widget.tab.SaveDialog.createDialogArea(SaveDialog.java:60)
      3 frames
    5. JFace
      Window.open
      1. org.eclipse.jface.dialogs.Dialog.createContents(Dialog.java:745)
      2. org.eclipse.jface.window.Window.create(Window.java:444)
      3. org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1071)
      4. org.eclipse.jface.window.Window.open(Window.java:822)
      4 frames
    6. test.app.internal
      EntryPoint$12$1.widgetSelected
      1. test.app.internal.AppTester.testSaveDialog(AppTester.java:136)
      2. test.app.internal.AppTester.testDialog(AppTester.java:99)
      3. test.app.internal.EntryPoint$12$1.widgetSelected(EntryPoint.java:611)
      3 frames
    7. RWT
      RWTLifeCycle$UIThreadController.run
      1. org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:262)
      2. org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86)
      3. org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:700)
      4. org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:602)
      5. org.eclipse.swt.widgets.Display.executeNextEvent(Display.java:1212)
      6. org.eclipse.swt.widgets.Display.runPendingMessages(Display.java:1193)
      7. org.eclipse.swt.widgets.Display.safeReadAndDispatch(Display.java:1176)
      8. org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1168)
      9. org.eclipse.rap.rwt.application.AbstractEntryPoint.createUI(AbstractEntryPoint.java:62)
      10. org.eclipse.rap.rwt.internal.lifecycle.RWTLifeCycle.createUI(RWTLifeCycle.java:172)
      11. org.eclipse.rap.rwt.internal.lifecycle.RWTLifeCycle$UIThreadController.run(RWTLifeCycle.java:284)
      11 frames
    8. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame
    9. RWT
      UIThread.run
      1. org.eclipse.rap.rwt.internal.lifecycle.UIThread.run(UIThread.java:105)
      1 frame