[news.eclipse.newcomer] error after launching eclipse

["Yu Chen" <yuchen@xxxxxxx>]

Any idea about this error? Seems eclipse can not restore the workspace I 
had.   -yuchen

"Unable to create editor. This message may be due to a bug in the editor, 
not a problem with the file you are trying to edit. First close this error 
message and then use "Open With..." to open the file in a different editor. 
Reason for the failure: No input factory ID found for editor 
id=org.eclipse.ui.DefaultTextEditor name=.project:"


org.eclipse.ui.PartInitException: No input factory ID found for editor 
id=org.eclipse.ui.DefaultTextEditor name=.project
 at 
org.eclipse.ui.internal.EditorManager$Editor.getRestoredInput(EditorManager.java:1736)
 at 
org.eclipse.ui.internal.EditorManager$Editor.getEditorInput(EditorManager.java:1715)
 at 
org.eclipse.ui.internal.EditorManager.busyRestoreEditorHelper(EditorManager.java:1177)
 at 
org.eclipse.ui.internal.EditorManager.busyRestoreEditor(EditorManager.java:1102)
 at org.eclipse.ui.internal.EditorManager$7.run(EditorManager.java:1064)
 at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69)
 at 
org.eclipse.ui.internal.EditorManager.restoreEditor(EditorManager.java:1062)
 at 
org.eclipse.ui.internal.EditorManager.restoreEditorState(EditorManager.java:1876)
 at 
org.eclipse.ui.internal.EditorManager.restoreState(EditorManager.java:1016)
 at 
org.eclipse.ui.internal.WorkbenchPage.restoreState(WorkbenchPage.java:2464)
 at 
org.eclipse.ui.internal.WorkbenchWindow.restoreState(WorkbenchWindow.java:1660)
 at org.eclipse.ui.internal.Workbench.restoreState(Workbench.java:1408)
 at org.eclipse.ui.internal.Workbench.access$9(Workbench.java:1358)
 at org.eclipse.ui.internal.Workbench$14.run(Workbench.java:1241)
 at 
org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1021)
 at org.eclipse.core.runtime.Platform.run(Platform.java:757)
 at org.eclipse.ui.internal.Workbench.restoreState(Workbench.java:1185)
 at 
org.eclipse.ui.internal.WorkbenchConfigurer.restoreState(WorkbenchConfigurer.java:173)
 at 
org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:712)
 at org.eclipse.ui.internal.Workbench.init(Workbench.java:962)
 at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1510)
 at 
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:306)
 at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:143)
 at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:103)
 at 
org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:228)
 at 
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)
 at 
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:156)
 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:315)
 at org.eclipse.core.launcher.Main.basicRun(Main.java:268)
 at org.eclipse.core.launcher.Main.run(Main.java:942)
 at org.eclipse.core.launcher.Main.main(Main.java:926)