java.lang.ClassNotFoundException

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  • Hi, I tried to install the eclipse (eclipse version 3.2 with jdk 1.4.2) plugin as per the documentation on the project site. But when I go to windows --> show view --> Logback --> logback view, I get the error as below: Unable to create view: Plug-in ch.qos.logback.eclipse was unable to load class ch.qos.logback.eclipse.views.LogbackView. java.lang.ClassNotFoundException: ch.qos.logback.eclipse.views.LogbackView at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:402) at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83) at java.lang.ClassLoader.loadClass(ClassLoader.java:235) at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:278) at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227) at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1245) at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:147) 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.ViewDescriptor.createView(ViewDescriptor.java:69)
    via by Sanjeev,
    • java.lang.ClassNotFoundException: com.something.eclipse.shelled.ui.editors.SHEditor at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:402) at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:278) at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227) at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1245) at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:147) 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:911) 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:822) at org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(EditorManager.java:721) at org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java:682) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2593) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2528) at org.eclipse.ui.internal.WorkbenchPage.access$10(WorkbenchPage.java:2520) at org.eclipse.ui.internal.WorkbenchPage$9.run(WorkbenchPage.java:2505) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2500) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2485) at org.eclipse.ui.ide.IDE.openEditor(IDE.java:388) at org.eclipse.ui.ide.IDE.openEditor(IDE.java:350) at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:275) at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:139) at org.eclipse.jdt.internal.ui.actions.OpenActionUtil.open(OpenActionUtil.java:49) at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:190) at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:174) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:267) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:243) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerActionGroup.handleOpen(PackageExplorerActionGroup.java:306) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart$4.open(PackageExplorerPart.java:653) at org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:817) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) at org.eclipse.core.runtime.Platform.run(Platform.java:843) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:44) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:149) at org.eclipse.jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:815) at org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1069) at org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(StructuredViewer.java:1168) at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:249) at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:243) at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:283) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1085) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3180) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2856) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1930) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1894) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:422) 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(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) 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)
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