[fahmidj]

I am using Eclipse 3.2.0, MyEclipse 5.1.1, JDK 1.5 on Windows XP.
I was trying to develop ‘JSF Quickstart’ from MyEclipse Learning which I have found in the help topics. So, I was developing the Quickstart, there i was trying to open jsp page By MyEclipse Visual JSP Designer. But it didn’t open. The errors were in “org.eclipse.ui”, “org.eclipse.wst.internet.cache” and “org.eclipse.jface” plug-in. The errors are,

1.

java.lang.NoClassDefFoundError: com/genuitec/javascript/debug/mozilla/ImprovedMozillaBrowser
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)
at java.lang.Class.getConstructor0(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:157)
at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:759)
at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51)
at org.eclipse.ui.internal.WorkbenchPlugin$1.run(WorkbenchPlugin.java:242)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
at org.eclipse.ui.internal.WorkbenchPlugin.createExtension(WorkbenchPlugin.java:238)
at org.eclipse.ui.internal.registry.EditorDescriptor.createEditor(EditorDescriptor.java:231)
at org.eclipse.ui.internal.EditorManager.createPart(EditorManager.java:908)
at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:549)
at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:372)
at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:566)
at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:290)
at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:140)
at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:268)
at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:394)
at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1144)
at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1097)
at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1311)
at org.eclipse.ui.internal.PartStack.add(PartStack.java:455)
at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:102)
at org.eclipse.ui.internal.PartStack.add(PartStack.java:441)
at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:111)
at org.eclipse.ui.internal.EditorSashContainer.addEditor(EditorSashContainer.java:60)
at org.eclipse.ui.internal.EditorAreaHelper.addToLayout(EditorAreaHelper.java:217)
at org.eclipse.ui.internal.EditorAreaHelper.addEditor(EditorAreaHelper.java:207)
at org.eclipse.ui.internal.EditorManager.createEditorTab(EditorManager.java:819)
at org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(EditorManager.java:718)
at org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java:679)
at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2586)
at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2521)
at org.eclipse.ui.internal.WorkbenchPage.access$10(WorkbenchPage.java:2513)
at org.eclipse.ui.internal.WorkbenchPage$9.run(WorkbenchPage.java:2498)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2493)
at org.eclipse.ui.actions.OpenWithMenu.openEditor(OpenWithMenu.java:288)
at org.eclipse.ui.actions.OpenWithMenu.access$0(OpenWithMenu.java:280)
at org.eclipse.ui.actions.OpenWithMenu$2.handleEvent(OpenWithMenu.java:184)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:928)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3348)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2968)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1914)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95)
at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
at org.eclipse.core.launcher.Main.run(Main.java:977)
at org.eclipse.core.launcher.Main.main(Main.java:952)

2.

java.lang.NullPointerException
at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:140)
at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.setVisible(TabbedStackPresentation.java:308)
at org.eclipse.ui.internal.PartStack.setVisible(PartStack.java:989)
at org.eclipse.ui.internal.PartSashContainer.remove(PartSashContainer.java:733)
at org.eclipse.ui.internal.EditorSashContainer.removeEditor(EditorSashContainer.java:217)
at org.eclipse.ui.internal.EditorAreaHelper.closeEditor(EditorAreaHelper.java:84)
at org.eclipse.ui.internal.EditorAreaHelper.closeEditor(EditorAreaHelper.java:62)
at org.eclipse.ui.internal.WorkbenchPage.closeEditors(WorkbenchPage.java:1264)
at org.eclipse.ui.internal.WorkbenchPage.closeEditor(WorkbenchPage.java:1324)
at org.eclipse.ui.internal.EditorPane.doHide(EditorPane.java:54)
at org.eclipse.ui.internal.PartStack.close(PartStack.java:499)
at org.eclipse.ui.internal.EditorStack.close(EditorStack.java:205)
at org.eclipse.ui.internal.PartStack$1.close(PartStack.java:106)
at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation$1.handleEvent(TabbedStackPresentation.java:81)
at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:267)
at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:276)
at org.eclipse.ui.internal.presentations.defaultpresentation.DefaultTabFolder.access$1(DefaultTabFolder.java:1)
at org.eclipse.ui.internal.presentations.defaultpresentation.DefaultTabFolder$1.closeButtonPressed(DefaultTabFolder.java:67)
at org.eclipse.ui.internal.presentations.PaneFolder.notifyCloseListeners(PaneFolder.java:580)
at org.eclipse.ui.internal.presentations.PaneFolder$3.close(PaneFolder.java:187)
at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:2107)
at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:292)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:928)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3348)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2968)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1914)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95)
at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
at org.eclipse.core.launcher.Main.run(Main.java:977)
at org.eclipse.core.launcher.Main.main(Main.java:952)

3.

java.lang.RuntimeException: Widget disposed too early!
at org.eclipse.ui.internal.WorkbenchPartReference$1.widgetDisposed(WorkbenchPartReference.java:153)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:101)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:928)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:952)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:933)
at org.eclipse.swt.widgets.Widget.release(Widget.java:743)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:636)
at org.eclipse.swt.widgets.Widget.release(Widget.java:746)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:636)
at org.eclipse.swt.widgets.Widget.release(Widget.java:746)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:636)
at org.eclipse.swt.widgets.Canvas.releaseChildren(Canvas.java:117)
at org.eclipse.swt.widgets.Decorations.releaseChildren(Decorations.java:722)
at org.eclipse.swt.widgets.Shell.releaseChildren(Shell.java:1062)
at org.eclipse.swt.widgets.Widget.release(Widget.java:746)
at org.eclipse.swt.widgets.Widget.dispose(Widget.java:415)
at org.eclipse.swt.widgets.Decorations.dispose(Decorations.java:397)
at org.eclipse.swt.widgets.Shell.dispose(Shell.java:627)
at org.eclipse.jface.window.Window.close(Window.java:330)
at org.eclipse.jface.window.ApplicationWindow.close(ApplicationWindow.java:299)
at org.eclipse.ui.internal.WorkbenchWindow.hardClose(WorkbenchWindow.java:1510)
at org.eclipse.ui.internal.WorkbenchWindow.busyClose(WorkbenchWindow.java:622)
at org.eclipse.ui.internal.WorkbenchWindow.access$0(WorkbenchWindow.java:598)
at org.eclipse.ui.internal.WorkbenchWindow$2.run(WorkbenchWindow.java:713)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
at org.eclipse.ui.internal.WorkbenchWindow.close(WorkbenchWindow.java:711)
at org.eclipse.jface.window.WindowManager.close(WindowManager.java:109)
at org.eclipse.ui.internal.Workbench$12.run(Workbench.java:712)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
at org.eclipse.ui.internal.Workbench.busyClose(Workbench.java:709)
at org.eclipse.ui.internal.Workbench.access$8(Workbench.java:639)
at org.eclipse.ui.internal.Workbench$14.run(Workbench.java:839)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
at org.eclipse.ui.internal.Workbench.close(Workbench.java:837)
at org.eclipse.ui.internal.Workbench.close(Workbench.java:812)
at org.eclipse.ui.internal.WorkbenchWindow.busyClose(WorkbenchWindow.java:619)
at org.eclipse.ui.internal.WorkbenchWindow.access$0(WorkbenchWindow.java:598)
at org.eclipse.ui.internal.WorkbenchWindow$2.run(WorkbenchWindow.java:713)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
at org.eclipse.ui.internal.WorkbenchWindow.close(WorkbenchWindow.java:711)
at org.eclipse.jface.window.Window.handleShellCloseEvent(Window.java:736)
at org.eclipse.jface.window.Window$3.shellClosed(Window.java:682)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:159)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:928)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:952)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:937)
at org.eclipse.swt.widgets.Decorations.closeWidget(Decorations.java:257)
at org.eclipse.swt.widgets.Decorations.WM_CLOSE(Decorations.java:1606)
at org.eclipse.swt.widgets.Control.windowProc(Control.java:3248)
at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java:1539)
at org.eclipse.swt.widgets.Shell.windowProc(Shell.java:1634)
at org.eclipse.swt.widgets.Display.windowProc(Display.java:4025)
at org.eclipse.swt.internal.win32.OS.DefWindowProcW(Native Method)
at org.eclipse.swt.internal.win32.OS.DefWindowProc(OS.java:1918)
at org.eclipse.swt.widgets.Shell.callWindowProc(Shell.java:443)
at org.eclipse.swt.widgets.Control.windowProc(Control.java:3334)
at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java:1539)
at org.eclipse.swt.widgets.Shell.windowProc(Shell.java:1634)
at org.eclipse.swt.widgets.Display.windowProc(Display.java:4025)
at org.eclipse.swt.internal.win32.OS.DefWindowProcW(Native Method)
at org.eclipse.swt.internal.win32.OS.DefWindowProc(OS.java:1918)
at org.eclipse.swt.widgets.Shell.callWindowProc(Shell.java:443)
at org.eclipse.swt.widgets.Control.windowProc(Control.java:3334)
at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java:1539)
at org.eclipse.swt.widgets.Shell.windowProc(Shell.java:1634)
at org.eclipse.swt.widgets.Display.windowProc(Display.java:4025)
at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:1923)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2966)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1914)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95)
at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
at org.eclipse.core.launcher.Main.run(Main.java:977)
at org.eclipse.core.launcher.Main.main(Main.java:952)

I didn’t understand what is the problem.
If anyone can please let me know what should I do about it.

[Riyad Kalla]

Try and restat using -clean and see if that helps, as outlined here:
http://www.myeclipseide.com/PNphpBB2+file-viewtopic-t-10280.html

[fahmidj]

Thank you very much.
It worked.

[Author]

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