title: Eclipse cant view class files
body: <p>Everytime I try open a class file it gives me this error</p>
  
  <pre><code>rg.eclipse.core.runtime.CoreException: The Class File Viewer cannot handle the given input ('org.eclipse.ui.ide.FileStoreEditorInput').
      at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor.doSetInput(ClassFileEditor.java:652)
      at org.eclipse.ui.texteditor.AbstractTextEditor$19.run(AbstractTextEditor.java:3200)
      at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464)
      at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:372)
      at org.eclipse.jface.window.ApplicationWindow$1.run(ApplicationWindow.java:759)
      at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
      at org.eclipse.jface.window.ApplicationWindow.run(ApplicationWindow.java:756)
      at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2649)
      at org.eclipse.ui.texteditor.AbstractTextEditor.internalInit(AbstractTextEditor.java:3218)
      at org.eclipse.ui.texteditor.AbstractTextEditor.init(AbstractTextEditor.java:3245)
      at org.eclipse.ui.internal.EditorManager.createSite(EditorManager.java:828)
      at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:647)
      at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:465)
      at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595)
      at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:313)
      at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:180)
      at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:270)
      at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
      at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:473)
      at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1245)
      at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1198)
      at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1597)
      at org.eclipse.ui.internal.PartStack.add(PartStack.java:493)
      at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:103)
      at org.eclipse.ui.internal.PartStack.add(PartStack.java:479)
      at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:112)
      at org.eclipse.ui.internal.EditorSashContainer.addEditor(EditorSashContainer.java:63)
      at org.eclipse.ui.internal.EditorAreaHelper.addToLayout(EditorAreaHelper.java:225)
      at org.eclipse.ui.internal.EditorAreaHelper.addEditor(EditorAreaHelper.java:213)
      at org.eclipse.ui.internal.EditorManager.createEditorTab(EditorManager.java:808)
      at org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(EditorManager.java:707)
      at org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java:666)
      at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2942)
      at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2850)
      at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2842)
      at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2793)
      at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
      at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2789)
      at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2773)
      at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2756)
      at org.eclipse.ui.ide.IDE.openEditorOnFileStore(IDE.java:1155)
      at org.eclipse.ui.internal.ide.actions.OpenLocalFileAction.run(OpenLocalFileAction.java:107)
      at org.eclipse.ui.internal.ide.actions.OpenLocalFileAction.run(OpenLocalFileAction.java:76)
      at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:251)
      at org.eclipse.ui.internal.WWinPluginAction.runWithEvent(WWinPluginAction.java:229)
      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.Widget.sendEvent(Widget.java:1053)
      at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4165)
      at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754)
      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:123)
      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:344)
      at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
      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.equinox.launcher.Main.invokeFramework(Main.java:622)
      at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
      at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
  </code></pre>
  
  <p>Though that might not be the correct error log. What I've already done.</p>
  
  <ol>
  <li>Download JD-Eclipse from update site</li>
  <li>Set Class File Editor as default.</li>
  <li>Adding the class path to build path in project</li>
  <li>Asking this question on stackoverflow.com</li>
  </ol>
  
  <p>I'm using windows xp.</p>
  
  <p>Please help me</p>