org.eclipse.core.runtime.AssertionFailedException

There are no available Samebug tips for this exception. Do you have an idea how to solve this issue? A short tip would help users who saw this issue last week.

  • To reproduce # Open a file with outlineable content # Close the outline view # Type the key command to open the "Quick Outline" # See the following in the stack trace. {code} !ENTRY org.eclipse.ui 4 0 2011-06-22 07:01:28.314 !MESSAGE Unhandled event loop exception !STACK 0 org.eclipse.core.runtime.AssertionFailedException: assertion failed: at org.eclipse.core.runtime.Assert.isTrue(Assert.java:110) at org.eclipse.core.runtime.Assert.isTrue(Assert.java:96) at org.eclipse.jface.viewers.AbstractTreeViewer.assertContentProviderType(AbstractTreeViewer.java:2321) at org.eclipse.jface.viewers.TreeViewer.assertContentProviderType(TreeViewer.java:384) at org.eclipse.jface.viewers.StructuredViewer.setContentProvider(StructuredViewer.java:1640) at org.eclipse.jface.viewers.AbstractTreeViewer.setContentProvider(AbstractTreeViewer.java:2317) at org.eclipse.jface.viewers.TreeViewer.setContentProvider(TreeViewer.java:972) at com.aptana.editor.common.outline.CommonQuickOutlinePage.createTreeViewer(CommonQuickOutlinePage.java:560) at com.aptana.editor.common.outline.CommonQuickOutlinePage.createControl(CommonQuickOutlinePage.java:145) at com.aptana.editor.common.outline.QuickOutlinePopupDialog.createDialogArea(QuickOutlinePopupDialog.java:75) at org.eclipse.jface.dialogs.PopupDialog.createContents(PopupDialog.java:688) at org.eclipse.jface.window.Window.create(Window.java:431) at org.eclipse.jface.dialogs.PopupDialog.open(PopupDialog.java:1128) at com.aptana.editor.js.outline.QuickOutlineHandler.execute(QuickOutlineHandler.java:22) at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:293) at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476) at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508) at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(WorkbenchKeyboard.java:468) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:786) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:885) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:567) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$3(WorkbenchKeyboard.java:508) at org.eclipse.ui.internal.keys.WorkbenchKeyboard$KeyDownFilter.handleEvent(WorkbenchKeyboard.java:123) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1031) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:3775) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1367) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1390) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1375) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1404) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1400) at org.eclipse.swt.widgets.Canvas.sendKeyEvent(Canvas.java:416) at org.eclipse.swt.widgets.Control.doCommandBySelector(Control.java:958) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5068) at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method) at org.eclipse.swt.internal.cocoa.NSResponder.interpretKeyEvents(NSResponder.java:56) at org.eclipse.swt.widgets.Composite.keyDown(Composite.java:587) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4978) at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:220) at org.eclipse.swt.widgets.Widget.windowSendEvent(Widget.java:1943) at org.eclipse.swt.widgets.Shell.windowSendEvent(Shell.java:2025) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5040) at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) at org.eclipse.swt.widgets.Display.applicationSendEvent(Display.java:4582) at org.eclipse.swt.widgets.Display.applicationProc(Display.java:4659) at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method) at org.eclipse.swt.internal.cocoa.NSApplication.sendEvent(NSApplication.java:115) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3274) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at com.appcelerator.titanium.rcp.IDEApplication.start(IDEApplication.java:125) 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:369) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574) at org.eclipse.equinox.launcher.Main.run(Main.java:1407) at org.eclipse.equinox.launcher.Main.main(Main.java:1383) {code}
    via by Ingo Muschenetz,
  • To reproduce # Open a file with outlineable content # Close the outline view # Type the key command to open the "Quick Outline" # See the following in the stack trace. {code} !ENTRY org.eclipse.ui 4 0 2011-06-22 07:01:28.314 !MESSAGE Unhandled event loop exception !STACK 0 org.eclipse.core.runtime.AssertionFailedException: assertion failed: at org.eclipse.core.runtime.Assert.isTrue(Assert.java:110) at org.eclipse.core.runtime.Assert.isTrue(Assert.java:96) at org.eclipse.jface.viewers.AbstractTreeViewer.assertContentProviderType(AbstractTreeViewer.java:2321) at org.eclipse.jface.viewers.TreeViewer.assertContentProviderType(TreeViewer.java:384) at org.eclipse.jface.viewers.StructuredViewer.setContentProvider(StructuredViewer.java:1640) at org.eclipse.jface.viewers.AbstractTreeViewer.setContentProvider(AbstractTreeViewer.java:2317) at org.eclipse.jface.viewers.TreeViewer.setContentProvider(TreeViewer.java:972) at com.aptana.editor.common.outline.CommonQuickOutlinePage.createTreeViewer(CommonQuickOutlinePage.java:560) at com.aptana.editor.common.outline.CommonQuickOutlinePage.createControl(CommonQuickOutlinePage.java:145) at com.aptana.editor.common.outline.QuickOutlinePopupDialog.createDialogArea(QuickOutlinePopupDialog.java:75) at org.eclipse.jface.dialogs.PopupDialog.createContents(PopupDialog.java:688) at org.eclipse.jface.window.Window.create(Window.java:431) at org.eclipse.jface.dialogs.PopupDialog.open(PopupDialog.java:1128) at com.aptana.editor.js.outline.QuickOutlineHandler.execute(QuickOutlineHandler.java:22) at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:293) at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476) at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508) at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(WorkbenchKeyboard.java:468) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:786) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:885) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:567) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$3(WorkbenchKeyboard.java:508) at org.eclipse.ui.internal.keys.WorkbenchKeyboard$KeyDownFilter.handleEvent(WorkbenchKeyboard.java:123) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1031) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:3775) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1367) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1390) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1375) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1404) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1400) at org.eclipse.swt.widgets.Canvas.sendKeyEvent(Canvas.java:416) at org.eclipse.swt.widgets.Control.doCommandBySelector(Control.java:958) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5068) at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method) at org.eclipse.swt.internal.cocoa.NSResponder.interpretKeyEvents(NSResponder.java:56) at org.eclipse.swt.widgets.Composite.keyDown(Composite.java:587) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4978) at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:220) at org.eclipse.swt.widgets.Widget.windowSendEvent(Widget.java:1943) at org.eclipse.swt.widgets.Shell.windowSendEvent(Shell.java:2025) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5040) at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) at org.eclipse.swt.widgets.Display.applicationSendEvent(Display.java:4582) at org.eclipse.swt.widgets.Display.applicationProc(Display.java:4659) at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method) at org.eclipse.swt.internal.cocoa.NSApplication.sendEvent(NSApplication.java:115) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3274) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at com.appcelerator.titanium.rcp.IDEApplication.start(IDEApplication.java:125) 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:369) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574) at org.eclipse.equinox.launcher.Main.run(Main.java:1407) at org.eclipse.equinox.launcher.Main.main(Main.java:1383) {code}
    via by Ingo Muschenetz,
  • Tomcat v7.0 server unable to start
    via Stack Overflow by user3011373
    ,
    • org.eclipse.core.runtime.AssertionFailedException: assertion failed: at org.eclipse.core.runtime.Assert.isTrue(Assert.java:110) at org.eclipse.core.runtime.Assert.isTrue(Assert.java:96) at org.eclipse.jface.viewers.AbstractTreeViewer.assertContentProviderType(AbstractTreeViewer.java:2321) at org.eclipse.jface.viewers.TreeViewer.assertContentProviderType(TreeViewer.java:384) at org.eclipse.jface.viewers.StructuredViewer.setContentProvider(StructuredViewer.java:1640) at org.eclipse.jface.viewers.AbstractTreeViewer.setContentProvider(AbstractTreeViewer.java:2317) at org.eclipse.jface.viewers.TreeViewer.setContentProvider(TreeViewer.java:972) at com.aptana.editor.common.outline.CommonQuickOutlinePage.createTreeViewer(CommonQuickOutlinePage.java:560) at com.aptana.editor.common.outline.CommonQuickOutlinePage.createControl(CommonQuickOutlinePage.java:145) at com.aptana.editor.common.outline.QuickOutlinePopupDialog.createDialogArea(QuickOutlinePopupDialog.java:75) at org.eclipse.jface.dialogs.PopupDialog.createContents(PopupDialog.java:688) at org.eclipse.jface.window.Window.create(Window.java:431) at org.eclipse.jface.dialogs.PopupDialog.open(PopupDialog.java:1128) at com.aptana.editor.js.outline.QuickOutlineHandler.execute(QuickOutlineHandler.java:22) at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:293) at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476) at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508) at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(WorkbenchKeyboard.java:468) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:786) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:885) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:567) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$3(WorkbenchKeyboard.java:508) at org.eclipse.ui.internal.keys.WorkbenchKeyboard$KeyDownFilter.handleEvent(WorkbenchKeyboard.java:123) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1031) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:3775) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1367) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1390) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1375) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1404) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1400) at org.eclipse.swt.widgets.Canvas.sendKeyEvent(Canvas.java:416) at org.eclipse.swt.widgets.Control.doCommandBySelector(Control.java:958) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5068) at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method) at org.eclipse.swt.internal.cocoa.NSResponder.interpretKeyEvents(NSResponder.java:56) at org.eclipse.swt.widgets.Composite.keyDown(Composite.java:587) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4978) at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:220) at org.eclipse.swt.widgets.Widget.windowSendEvent(Widget.java:1943) at org.eclipse.swt.widgets.Shell.windowSendEvent(Shell.java:2025) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5040) at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) at org.eclipse.swt.widgets.Display.applicationSendEvent(Display.java:4582) at org.eclipse.swt.widgets.Display.applicationProc(Display.java:4659) at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method) at org.eclipse.swt.internal.cocoa.NSApplication.sendEvent(NSApplication.java:115) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3274) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at com.appcelerator.titanium.rcp.IDEApplication.start(IDEApplication.java:125) 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:369) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574) at org.eclipse.equinox.launcher.Main.run(Main.java:1407) at org.eclipse.equinox.launcher.Main.main(Main.java:1383)

    Users with the same issue

    Unknown visitor1 times, last one,
    Unknown visitor1 times, last one,
    Unknown visitor1 times, last one,